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Baseline Shellfish Data For The Assessment Of Potential Environmental Impacts Associated With Energy Activities In Connecticut's Coastal Zone Volume I CONNECTICUT COASTAL ENERGY IMPACT PROGRAM Submitted to: Department of Agriculture Aquaculture Division State of Connecticut QH 76.5 CZIZ COLLECTION B37 1983 v.I Prepared by: Peter E. Pellegrino, Ph.D. and William A. Hubbard, M.S. Southern Connecticut State University Foundation, Inc. New Haven, Connecticut 06515 August, 1983 BASELINE SHELLFISH DATA FOR THE ASSESSMENT OF POTENTIAL ENVIRONMENTAL IMPACTS ASSOCIATED WITH ENERGY ACTIVITIES IN CONNECTICUT'S COSTAL ZONE Volume I Submitted to: Department of Agriculture Aouaculture Division Siate of Connecticut Prepared by: Peter E. Pellegrino, Ph.D. and William A. Hubbard, M.S. Southern Connecticut State University Foundation, Inc. New Haven, Connecticut 06515 August, 1983 (RJ7 CONNECTICUT COASTAL ENERGY IMPACT PROGRAM PREPARED FOR THE STATE DEPARTM1EMT OF AGRICULTURE AND CONNECTICUT STATE OFFICE OF POLICY AND MANAGEMENT Financial Assistance for this report.has been provided by the Coastal Zone Manaaement Act of 1972, as amended and administered by the Office of Ocean and Coastal Resource Management, N.O.A.A., Department of Commerce and the Connecticut State Office of Policy and Management. DEDICATION This report is dedicated to Captain Leroy Speer who is the one individual most responsible for the successful completion of this project. His dedication and perserverance allowed us to continue when all conditions seemed hopeless. Executive Summary Long Island Sound, because of its significant ecological, economic and social values, is one of the nation's most important natural resources. The large population centers and industrial areas bordering the Sound, however, have placed major stresses upon its aquatic environments. it is estimated that about 80/0' of the total U.S. population (17 million people) live within 40 kilometers of Long Island Sound. This dense OODUlation has created huge energy demands in the form of fuel oils, gasoline and electric power generation. The Sound, therefore, supports a variety of energy-related activities primarily in the form of transportation, transfer and storage of fuel oils, gasoline and potentially coal. All three types of energy related activities have the potential to cause serious environmental impacts on Connecticut's coastal waters. Small spills can commonly occur, especially at transfer points, while accidents and equipment failures can cause large spills at any time. It is essential that the true impacts resulting from such spills be accurately assessed so that those responsible can pay the cost of restoring and rehabilitating affected habitats. The future expansion of coastal energy activities and facilities is also a real possibility. These energy activities must coexist, however, with other equally vital activities such as sport and commercial fishing, recreation, commercial shellfishing and lobstering. Any expansion must therefore involve careful planning so that potential damage to vital re- sources can be minimized. One key to effective planning is accurage and current census data. With detailed ecological information, both public authorities and industry, can achi eve the planning approaches which minimize environmental damages and best protect natural resources. The major purposes of this project were to provide the natural resource data bases needed to assess the impact of energy related environmental accidents and to properly plan for future expansion of energy facilities and activities. The subtidal areas of Long Island Sound under Connecticut Jurisdiction were divided into ten major samplinq regions: (I) Greenwich - Stamford; (II) Stamford - Norwalk; (III) Norwilk - Bridgeport; (IV) Bridgeport - Milford; (V) Milford - Mew Haven; (VI) New Haven - Guilford; (VII) Guilford - Madison; (VIII) 114adison - Old Saybrook; (IX) Old Saybrook - New London; (X) New London- Stonington. Sampling transects were est4blished using the 26000 series Loran-C -Navigation Lines on National Ocean Survey Maps #12354 (July, 1982), #12363 (July, 1981) and #13205 (February, 1981). Sampling stations were fixed at subsequent intersection points of the corresponding east-west (60000 series) Navigation Lines. This method provided for random selection of sampling station positions and the most reliable method of relocating sampling siations 'during any future monitoring programs. The natural resource inventory involved three major samplino tasks for each station: Benthos, oyster populations and clam populations. An initial sample at each statio n was taken with a 1/25 m 2 Van Veen Grab. Sediment type was visually examined and placed into one of the fol- lowing categories: sand, sandy shell, shell, muddy shell, mud. The depth of the redox layer and the extent of clumping were also determined for each sediment sample, Temperatore and salinity values were also determined for each station. The sediment sample was then washed through a 1 mm mesh screen, stained with rose bengal and preserved with 10% formalin. These samples will then be processed in the laboratory. All stations having sandy, sandy shell, shell and muddy shell sub- strates were also sampled with a commercial oyster dredge. Two 2-minute tows were made at each station (samples being pooled) to obtain information on the condition of the beds. Oysters were measured along the length axis (centimeters) and groUDed into the following_age-size .classes, based on past growth studies in Long' Island Sound: 0.1 2.0 (year olds); 2.5 - 5.7 (2 years); 5.8 - 7.5 (3 years); 7.6 - 9.0 (4 years); 9.1 - 10.0 (5 years); greater than 10.0 (6 years plus). The quality of the shell base was also evaluated. The abundance of oyster predators and competitors as well as associated epifaunal species were also documented. Benthic stations were resampled using a hydraulic clam dredge to monitor the distribution and abundance of hard clams, razor clams and surf clams. The number and sizes of all clams are being recorded as well as any associated members of the clam community. Only those designated stations located in depths of 55 feet or less can be effectively inventoried with the dredge rigging system aboard the Ellen J. Region I was sampled at 9 stations and was dominated by mud sub- strate which occu@red at 77.8% of all stations. Thi-rty-three species were identified from this region with a mean value of.56 individuals per station. The average species diversity value was 1.119. The three numerically dominant species were the coot clam, mulinia lateralis, the nut clam, Nucula annulata and the trumpet worm Pectineria7'@o_uldii. Hard clams were the dominant shellfish species being found at four designated stations in moderate to very high numbers. Blue mussels were found at one station in high abundance. Region II was sampled at 26 stations with mud substrate occurring at 69.2% of all stations. Twenty-four benthic species were identified from this region with an average of 114.2 individuals per station. The average species diversity value was 2.181. The three numerically dominant benthic species were the bivalves, Nucula annulata and-Plulinia lateralis and the polychaete Pectinaria goUldii. Hard clams were found in low abundance at two desionated stations. Razor clams were found in low and moderate abundance at seven stations. One station also contained low numbers of blue mussels, and surf clams. Region III was sampled at 52 stations with mud substrate occurring at 44.210' of all stations and "sandy-mud" at 25.01101. One hundred and twenty- five benthic species were identified in this region with an average of 137.2 individuals found at each station. The mean species diversity value was 2.091. The three dominant benthic species were -Mulinia lateralis, Nucula annulata and the false quahog, Pitar morhuanna. . Hard clams were found in low and very high abundance at 6 designated stations. Oysters were found in low, moderate and very high numbers it 5 stations. Razor clams were found in low numbers at 7 stations, blue mussels at 4 stations and surf clams at 2 stations. Region IV was inventoried at 41 stations with mud substrate occurrino at 70.7% of all sampling stations. One hundred and three benthic Species were identified in this region, with a mean of 152.1 individuals per station. The average species diversity value was 1.640. The three dominant benthic species were Mulinia lateralis, Nucula annulata and Nephtys incisa. Hard clams were found at one station in high abundance. Oysters and blue mussels were found in lovi abundance at one station. Surf clams were reported in low numbers at 3 stations. Region V was sampled at 58 stations with mud substrate occurring at 65.5% and sandy-gravel at 13.8% of all stations. One hundred and twenty benthic species were identified in this region, with an average of 166.7 individuals per sample. The mean species diversity value was 1.928. Mulinia lateralis, Mucula annulata and Mephtys incisa were found to be the dominant benthic-organisms. Hard clams were found in low and very high abundances at 8 stations. Oysters were found in low abundances at 3 designated stations. Razor clams occurred in low abundance at 16 stations. Surf clams and blue mussels each occurred in low abundance at 1 station. Whelks occurred in low abundance at 3 stations. Region VI was sampled at 80 designated stations. IMud substrate occurred at 70.0% and "sandy-mud" at 12.5% of all stations. One hundred and thirty-two benthic species were identified in this region with a mean number of individuals per station of 217.3. The species diversity index value for all stations averaged 2.206. Mucula annulata, Mulinia lateralis and Nephtys incisa were the three dominant benfhic species in this region. Hard clams were found in low abundance at 2 stations. Oysters were reported in moderate and high densities at three stations and Razor clams were found in low to very high densities at 28 stations. Whelks were found in low abundance at 6 stations in this region. Region VII was sampled at 53 stations with sand and muddy-sand substrates occurring at 62.20/0 of all sampling stations. One hundred and thirty-four benthic species were identified with a mean density of 293.0 individuals per station. The average species diversity value was 2.563. The three dominant benthic species in this.region were: the bamboo worm, Clvr.enella zonalis, the polychaete, Asabellides oculatus and the mud worm, Spiophanes Fombyx. Razor clams occurred in low to moderate abundances at'28 stations. Whelks were found at 9 stations in low abundances. The blue mussell was found in low density at 1 station. Region VIII was sampled at 39 stations with sand and sandy-shell sub- strates occurring at 66.7% of all stations. One hundred and thirty-eight benthic species were identified from this region with an.average density of 78.0 individuals per station. The mean species diversity value was 2.020. The three numerically dominant benthic species were the amphipod, Protohaustorius wigleyi, the bivalve, Tellina agilis and the amphipod, Acanthohaustorius millsi. Hard clams were recovered in low abundance at I station. Low abundances were also recorded for razor clams at 7 stations, steamer clams at whelks at 2 stations and at I station each for blue mussels and surf clams. Region IX was sampled at 41 stations with sandy-gravel and sandy-shell substrates occurring at 58.6% of all campling stations. Two hundred benthic species were identified in this region with an average of 178.3 inidivduals per each station. The mean species diversity index value was 3.209. The three numerically dominant benthic species were the caprellid amphipod, Ae inina longicornis, the polychaete, Cirratulis grandis and the polychaete, V arete 7rtica. Razor clams were reported in low abundances at 13 stations. Blue mussels were recovered in low moderate and very high numbers from 10 stations. low abundances of steamer clams were found at I station and 4 stations con- tained low numbers of shelks. Region X-was inventoried at 14 stations with mud, muddy-sand and sand substrates accounting for 67.2% of all sampling stations. One hundred and sixty-seven benthic species were identified with an average density of 432.6 individuals per station. The average Species diversity value was 3.055. The three dominant benthic species were the amphipod, Ampelisca abdita, the poly- chaete, Aricidea jefferysii and the bamboo worm, ClymenelIT75-a-T-is. Hard clams were found in low and hiah abundance at 2 desionated stations. Surf clams were found in low and moderate aensity at two stations. Razor clams occurred in low abundance at 3 stations. Blue mussels were found in low and high numbers at 3 stations and whelks were found in low numbers at three stations. Erratum The scientific name Nucula proxima should be changed to Mucula annulata throuchout the report. INTRODUCTION Long Island.Sound, because of its significant ecological, economic and social values, is one of the nation',s most important natural resources. The large population@centers and industrial areas bordering the Sound, how- ever, have placed major stresses upon its aquatic environments. It is esti-' mated that about 8% of the total U. S. population (17 million people) live Within 40 kilometers of Long Island Sound. This dense population has cre- ated.huge energy demands in the form of fuel oils, gasoline andelectric. power generation. The Sound, therefore, supports a variety of energy- related activities, primarily in the form of transportation, transfer and storage.of fuel oils, gasoline and potentially coal. All three types of energy-related activites have the potential to ca-bse serious environmental impacts on Connecticut's coastal-waters. Small spills can commonly occur, especially at transfer points, while accidents and equip- ment failures can cause large spills at any time. It is essential that the true impacts resulting from such spills be accurately assessed so that those responsible can pay the cost of restoring and rehabilitating affected habitats. The future expansion of coastal energy activities and facilities is also a real,possibi,lity. These energy activities must coexist, however,,with other equally vital activities such as sport and commercial fishing, recreation, commercial shellfishing and lobstering. Any expansion must therefore involve careful p1anning so that potential damage to vital resources can be minimized. One key to effective planning is accurate and current census data. With de- tailed ecological information, both public authorities and industry can achieve the planning approaches which minimize environmental damages and best protect natural resources. Themajor purposes of this project-are to provide the natural resource data bases needed to assess the impact of energy-related environmental.acci- dents and to properly plan for future expansion of energy facilities and activ- ities. II., OBJECTIVES 1. to provide.the natural resource data base needed to assess the true impact of environmental acci dents. 2. To provide the natural resource data that is needed to properly plan for future expansion of energy activities and facilities. 3. To locate and map the general distribution and abundance of shell- fish in Connecticut,'s coastal zone and therefore facilitate management and protection of shellfish resources. 4. To provide valuabl.e ecological data on Connecticut shellfish com- munities. -2- IJI.. METHODS Sampling Stations and Resource Maps. The subtidal areas of Long Island Sound under Connecticut jurisdiction were divided into ten major sampling regions: I. Greenwich - Stamford II. Stamford,- Norwalk III. Norwalk Bridgeport IV. Bridgeport - Milford V. Milford New Haven VI. New Haven Guilford VII. Guilford Madison VIII. Madison Old Saybrook IX. Old Saybrook - New London X. New London - Stonington. Sampling transects were established using the 26000 series Loran-C Navigation Lines on National Ocean Survey Maps #12354 (July, 1982), #12363 (July, 1981) and #13204 (February, 1981). Sampling stations were fixed at subsequent intersection points of the corresponding east-west (60000 series) Navigation Lines. This method provided for random selection of sampling station positions and the most reliable method of relocating sampling stations during any future monitoring programs. Resource maps were drawn to scale (1:80,000) from the aforementioned National Ocean Survey Maps. Sediment and Water Chemistry Sediments were placed into the following major categories, using visual and texture examinations: mud, sandy-mud, muddy-sand, sand, muddy-sandy shell, shell, gravel, muddy-sandy gravel and rock. Other biologically important aspects of bottom sediments such as redox depth, degree of'sediment clumping and the presence or absence of pioneering tubes were documented (Volume II). The depth (feet) at each station was measured using a recording fathometer and water temperature (C) and salinity recorded using a conductivity meter. Air temperature and general weather conditions were also noted. Benthos .The benthos (bottom invertebrates) are of major eco logical signific ance as energy co nverters and storage units and are therefore vital links in1ong Island Sound food chains. The benthos can also be useful tools in the monir toring of environmental changes associated with pollutional stresses. This project has established the historic benchmark (benthiccommunity structure) against which future change can be detected. One benthic sample.was taken at each station with a 1/25 square meter Van Veen grab. Sediments were washed through a 1-mm. mesh screen, stained. with Rose Bengal and fixed in 10% buffered formalin., Specimens were identified to the lower possible taxonomic category using a variety of specialized keys (see bibliography) and enumerated. A reference collection of type specimens was also generated. The following aspects of benthic community structure were documented for each station: species richness (number of species), den- sity (number of individuals), species diversity and dominance. It must be remembered that all benthic data are presented as numbers per grab sample and not numbers per square meter. -4- Species Diversity Spe cies diversity is a mathematical measure of.community structure that relates number of species in an ecological sample (species richness) with how. evenly individuals are distributed among species (evenness). The diversity index has been a widely used ecological tool to monitor biological changes resulting from environmental stresses. This index, when used in conjunction with other community parameters (structure, density and species richness), can be useful in documenting the effects of oil spills. Increased pollutional stres ses usually. result in a decrease in the diversity index. Low diversity values are usually.found in areas receiving high levels of environmbIntal stresses. When a communi Ity, however, is strongly dominated by large numbers of a single species, the index will be low because of low even- ness, although species richness may,be fairly high. Diversity values were calculated using Brillouin's modification of the Shannon Index as recommended by Godfrey (1971 and 1978) when the sample size is small (smallN values). All calculations were accomplished using a Fortran IV Div ersity Program, written by Joseph C. Mauson and Paul J. Godfrey (Water Resources Research Center, Universi ty of Mass., Amherst, 1971). The following categories were established using H values: Low Diversity (0.000 - 1.499) Moderate Diversity (1.500 - 2.499) High Diversity (greater than 2.500). Shellfish Shellfish Concentration Areas (SCA) are defined by the Connecticut Coastal Management Act (PL-79-535) as "actuall potential or historic areas in coastal, waters in whi&one or more species of shellfish aggregate." These species include'oysters (Crassostrea virginica), hardshell clams or quahogs (Mercenaria mercenaria), soft shell clams (Mya arenaria) and.bay scallops (Aeguipecten irradians). Shellfish Concentration Areas include both natural shellfish habitats and areas that h.ave been cultivated. for aquaculture purposes. At .present, there are approximately 46,000 acres of state-owned shellfish beds and 18,000 acres under local jurisdiction (FEIS, 1980). The most valuable molluscan shellfish species in Connecticut is the Eastern oyster., with the most important oyster industry.extending from New Haven to Norwalk.. The hard clam or quahog is the second most valuable mollus can shellfish in Connecticut's waters, although the industry is small when compared to that of the oyster. Because this fishery relies on natural sets and recruitment (bed cultivation is rarely practiced), quahog harvests are unpredictable. For example, over the last thirty years, hard clam landings have ranged from less than 10,000 pounds to over 400,000 pounds annually. The quahog fishery is limited as an offshore resource to a few large co mpanies with most individual activity occurring in nearshore And intertidal areas within town jurisdiction. Many productive nearshore areas are closed due to water quality problems and harvesting is generally restricted (by state statutes and local regulations) to inefficient hand powered clamming methods (FEIS, 1980). All sampling stations located shallower than the 50 foot contour line -6- were inventoried to determi ne the distribution and abundance of oysters and hard clams. All stations having shell and sandy-muddy shell substrata were @sampled a commercial oyster dredge. Two 2-minute tuws were made at each station with both samples pooled for analysis. Oysters were measured along the maximum length axis (centimeters) and grouped into the following age-size categories, based upon past growth studies An Long Island Sound: I - 2.0 (1-year-olds); 2.5 - 5.7 (2 years); 5.'8 7.5 (3 years); 7.6 - 9.0 (4 years); 9.1 - 10.0 (5 years); greater than 10.0 (6 years.plus). The quality of shell base was also evaluated. The abundance of.oyster predators and competitors, as well as associated epifaunal species, was also documented .(Volume H)'. All-stations exhibiting mud or muddy-sand substrata were inventoried using a commercial hydraulic clam dredge. Two 5-minute tows were taken at each station with both samples pooled for analysis. Clams were measured (millimeters) along the maximum length axis and grouped into the following size classes: -juveniles (up to 48 mm); littlenecks (49 70,mm); c.herrystones-(71 92 mm) and.chowders (greater than 93 W). The abundance of other shellfish species, although not currently of major economic or recreational importance, were recorded from oyster and clam tows. Th-ese specvsinclude the blue,mussel (Mytilus edulis), the steamer clam (Mya arenaria), the surf clam,(Spissula solidissima) and the whelks:(Busycon canaliculata and Busycon carica). The following abundance categories, based on t"he pooling.of 2 dredge samples, were established for all shellfish speciess: 1-14 low, 15-29.modera,te'. 30-44.high, and 45 or greater, very high. All@biological samples were obtained us,ing the Department of Agriculture Aquaculture Division's research vessels; RV Shellfish and RV Ellen J; Leroy Speer, Captain. IV. ECOLOGICAL RANKING SYSTEM A numerical,ranking system was developed to provide planners with a method of evaluating the general ecological value of any of the 413 stations inventoried during this study. This,system assigns,point values for ten major resource criteria evaluated for each station. Criterion I -.Number of Benthic Species per Grab (Station). per Grab Ecological Value Points 0 9 2 10 19 5 20 29 10 30 plus 15 Criterion II Number of Individuals per Grab (Station). per Grab Ecological Value Points .0 - 99 2 100 - 199 5 200 - 299 10 300 plus 15 Criterion III Species Diversity (H) Values per Grab (Station). H Value tategories Ecological Value Points Low 5 Moderate 10 High 15 Criterion IV Oyster Abundance per Station. Abundance Category Ecological Value Points Low 2 Moderate 5 High 10 Very High 15 Criterion V Hard Clam Abundance per Station. Abundance Category Ecological Value@Points Low 2 Moderate 5 High Very High 15 Criterion VI Blue Mussel Abundance per Station., Abundance Category Ecological Value Points Low Moderate 2 High 4 Very High -9- Criterion VII Razor Clam Abundance per Station. Abundance Category Ecological Value Points Low Moderate 2 High 4 Very High 5 Criterion-VIII -.Steam Clam Abundance per Station. Abundance Category Ecological Value Points Low 1 Moderate 2 High 4 Very High 5 Criterion-IX@- Surf Clam Abundance per Station. Abundance Category Ecological Value-Points Low Moderate 2 High 4 Very High 5 Criterion X Whelk Abundance per Station.- Abundance Category Ecological Value Points Low Moderate High 4 Very. High 5 Ecological Value Points (EVP,s) are summed for all ten criterivand the station is then placed into one of four Ecological Value Categories based on total points: Category Total EVP's Reduced Ecological Value Less than,24. Moderate Ecological Value' 25 49 High Ecological Value 50 74 Very High Ecological, Value Greater than 75. All of the-information needed for EVP Calculations should be obtained from the resource maps.provided for each region. An exam,ple of how the system works can be,",seen by calculating the ecological ranking of Station.#153 i.n.Region V. Ecological Ranking,System Calculation Sheet. Station Number -153- Region, Number - V-7 Criterion Ecological Value Points 5 10 10 2 IV V 15 VI 2 VII 2 VIII 0 Ix 0 x 2 Total 48 Ecological Value Category Reduced Less Than 24 EVP's Moderate 25 49 EVP's High 50 - 74 EVP's Very High Greater Than 75 EVP's -12- The point total for Station #153 (48) would place it in Ithe upper range. of the Moderate category.or the lower portion of the High category. This Wbuld ri'6@resent a borderline situation and therefore Station #153 could possibly be designated as Moderately-High. @-l 3@ Ecological Ranking System Calculation Sheet. Station Number Region Number Criterion Ecological Value Points IV V VI VII VIII ix x Total Ecologfcal Value Category Reduced Less Than@24 EVP's Moderate 25 49 EVP`.s High 50 - 74 EVP's Very High Greater Than 75 EVP's -147 V. RESULTS A total of 4.13 sampling stations were established in the Connecticut waters of Long Island Sound with the fewest occurring in Regi on 1 (9) and the largest number in Region VI (80). The mean depth of all stations was 60.6 feet with the shallowest being 9 feet (Station #336) and the deepest 178 feet (Stati.on #397). The dominant substratum encountered was mud.which occurred at 44.8% of all sampling stations. Pure sand was reported at 15.7% of all stations with muddy-sand and sandy-mud together accounting for 19.2%. Shell stations accounted for.1.9% of the total. A total of 324 benthic species (Table 4.58, Volume II) were reported from the 413 sampling stations, with polychaetes (129 species) and crustaceans (83 species) together accounting for 65.4%.of the total. Region I exhibited the fewest species (33) and Region IX the highest (200). The greatest.number of species reported from an individual station was 58 (Station,#408). The mean number of species per station was lowest in Region 1 (5.6) and highest in R@gions IX (28.2) and X (36.1). The mean number of i.ndividuals, per station, for 'all stations throughout the Sound was 182.5 with Region I exhibi ting.the lowest,(.56) and Region X the highest (432.6). The greatest number of individuals reported at a single station was 1,632 (Station #411). The mean benthic.diversity value (H) for all sampling stations was 2.201 bits/individual, with Region I e xhibiting the lowest mean value (H 1.119) and Region IX the highest (H = 3.209). The highest diversity value recorded at an individual station was 4.442 (Station #394). 15- The Biological Index Values for all 413 sampling stations (Table 459, Volume. II) revealed the dominant benthic invertebrates of Long Island Sound to be: 1. Mulinia lateralis 2. Nucula proxima 3. Nephtys incisa 4. Pitar morrhuana 5. Tellina agilis 6. Ampelisca abdita 7. Clymenella zonalis Mediomastus ambiseta Nassarius trivittatus 8. Asabellides aculata 9. Pectinaria gouldii 10. Yoldia limatula Assessment of shellfish populations is most accurately described on a regional basis. Long Island Sound can be conveniently divided into a Western half com- prising Regions I-V (186 stations) and an Eastern half comprising Regions VI-X (227 stations). The mean sampling depth exhibited little variation between Eastern (65.4 feet) and Western (60.2 feet) portions. Substrate dominance did, however, exhibit strong differences between Eastern and Western sections (Figure 11). Mud and sandy-mud substrates occurred at 75.2% of the@Western Long Island Sound stations and only at 40.9,% of the stations in the Eastern half. Sandy substrates, however, were reported'at 32.6% of Eastern stations -16- 100 mud 90 sand sandy gravel 70 60 M 40 30. 20, 0 1 11 111 IV V VI Vil Vill ix x REGIONS Figure 11, Percent Dominance of Substrate Ty Ipe s for the Ten Sampling Regions. 500, 400 0300 z 200 100 Of 40. Uj 5 20 w 10 ON 4.0, >- 3.0, LU 2.0 1.0 Of I'V @l V11 Vill Ix x REGIONS Figure 12. Mean Values tor Number of Individuals, Number of Species, and Species Diversi4l.1-y per Station for the Ten.Samp2ing Regions. -16b- and only at 11.3% of those in the West. The Eastern half of the Sound was found to support a more diverse and more dense assemblage of benthic organisms, than the Western half (Fig. 12). The mean number of species per station was 58.1% greater in Eastern Long Island Sound (x = 19.6) than in Western regions (x = 12.4). The mean number of individuals showed similar trends being 54.3% greater in the East (x 220.7) than in the West (x = 143.0). Mean species diversity values per station 'were also 30.8% higher in the Easter n half (x = 2.495) than in the Western half (x = 1.907). (Figure 12). The numerical dominants as revealed by the Biological Index for Eastern and Western sections are summarized in Tables 21 and 22, Volume H. The coot clam, Mulinia lateralis, was the numerical dominant in the West and ranked second in the East. The nut clam, Nucula proxima, ranked first in the East and second in the West'. The polychaete, Nephtys incisa, ranked third in both areas. The bivalve, Tellina agilis, ranked fourth in the Eastern Sound and. sixth in the West. The fourth most abundant species was the trumpet worm5 Pectinaria gouldii, in the West and the bamboo worm, Clymenella zonalis, in the East. Amphipoids played a more important ecological role in the Eastern Sound than in the West. Western Long Island Sound exhibited greater concen- t.rations of hard clams and oysters while the East exhibited greater densities of, razor clams. -17- REGION I A total of nine stations (Fig. la) were inventoried from Region I with their respective Loran-C coordinates listed in Table 1. Sampling depths ranged from a low of 40 feet ,(Station #1) to a high of 56 feet (Station #9) with the mean depth being 50.4 feet (Fig. lb). Mud was the dominant substrate type occurring at 77.8% of all. sampl-ing stations (Fig. 1c). A total of 33 benthic species were reported from Region I (Table.2') with Station #8 exhibiting the greatest number (14) and Stations #2, #3 -and #5 the fewest (1) (Fig. ld). The mean number of'species per station was only 5.6. The mean number of individuals per station was 56, ranging from a high..of 280 at Stat.i.o n #8, to a low of 4 at Station #3. Species diversity values (Fig. le) ranged from a low of 0.0 at Stations #2, #3, and #5 to a high of 2.093 at V, with a mean H value for all stations being 1.119. The mean values for species diversity-(1.119)., species richness (5.6) and density (56) all fall into the low category. The three numerically dominant benthic species for the entire region were the coot clam, Mulinia lateralis, the nut clam, Nucula Proxima, and the trumpet worm, Pectinaria .gouldii. Other dominants, in decreasing numerical importancle, were: Nephtys incisa, Retusa canaliculata, Tubulanus pellucidus, Anadara transversa, Nassarius trivattatus, Pitar morrhuana and Mediomastus.ambiseta. Shellfish Five designated stations were inventoried for oysters and ha,rd clams within the 50 foot contour line (Fig. If). Hard clams were recovered in low'numbers at Station #3 and #7, moderate numbers at Station #4 and in very high numbers 6t Station #2. Cherrystone-sized clams dominated the population in Region I accounting for 60.7% of all individuals. No suitable substrate for oysters was found at any of the designated stations in Region I. The blue mussel was found at a single station in high abundance (Fig. 1g). -19- Figure la SA`4PLING STATION POSITIONS REGION Stamfor N Greenwich cosco teen,., C, 44, 0 4 Flatm4c" X't Port Chester a-it Is. C'So Oak Neck pt. .. mRd Figure lb DEPTH OF SAM PLING STATIONS (feet) REGION I MM m N Stamford Greenwich Cosco jeei7j., V Port Chester all Is. 0 40 54 0 0 55 48 54 10 53 .52 56 Oak N&Ck Pl, -,Rock Figure 1,c SUBSTRATE COMPOSITION OF SAMPLING STATIONS REGION I NO SUBSTRATE KEY Mud 0 Sandy-mud Muddy-sand a Sand Muddy-@-sandy shell Shell Gravel Muddy_Sandy gravel Rock Stamford @N Greenwich Cosco, eer),,, Port Chester a,-If Is. pt. ,Ovb* 0 0 0 Oak Nock Pt. Ft 0@ k y pl. 00% Figure ld NUMBER OF BENTHIC SPECIES NU-14BER,OF INDIVIDUALS PER GRAB SAMPLE RF.GION I r1a Stamford Greenwich Cosco leen Port Chester 7-22 2-6 S-13 14-280 -8 6-22 13-141. 1-4 Osk Nock pt COG* -Rock J Figure le ]@ENTHIC SPECIES.DIVERSITY CATEGORIES REGION DIVERSITY KEY Low Moderate 'High No organisms reCb,vered Stamford N Greenwich Cosco jeen Port Chester alt Is. A A Oak Neck Pl. ?qL :Rocky Figure if EASTERN-OYSTER AND HARD CLA1 ABUNDANCE CATEGORIES REGION I CLA"4-OYSTER KEY 'Clams Oysters Low 0 Moderate A High Very high No clams/oysters recovered vAmfmp N Greenwich Cos .Co een C/1 Port Chester Flat#VC,, pt."-- .0 op lo@ .41 or Oak Neck Pf. COG* Rockypl. 'Figure 1g ABUNDANCE CATEGORIES FOR MISCELLANEOUS SHELLFISH SPECIES REGION I NO CY) 114ISCELLANEOUS SHELLFISH KEY Whelk Steamer Clam Surf Clam Low Moderate Razor Clam Blue Mussel Low 0 Moderate A High' Very high None recovered Stamford N Greenwich Cosco %eer)h,,,. 04 go e 0 Port Chester If Is. *%Csv Oak Neck Pt. "ecoov- REGION II A total of 26 stations (Fig. 2a) were inventoried from Region II with their respective Loran-C coordinates listed in Table 3. Sampling depths ranged from a low of 21 feet (Station #31) to a high of 111 feet (Station #24), with the mean being 62.2 feet (Fig. 2b). Mud was again the dominant substratum type occurri-ng at 69.2% of all stations (Fig. 2c). A total of 24 benthic species were reported for Region II (Table 4) with-Station #18 exhibiting the greatest number (44.) and Stations,#Il and #19 the fewest (2) (Fig. 2d). The mean number of species per station was.13.3. The mean,.number of individuals per station was 114.2, ranging from a high of 879 at Station #18, to a low of 4 at Station #19. Species Diversity values ranged from a low of 0.669 (Station #19) to a high of 3.781 (Station #10). The mean H value for all stations was 2.181. The mean values for species diversity (H = 2.181) and species richness (13.3) fall into the moderate category, while the mean density of 114.'2 individuals can be classified as low. The three numerically dominant benthic species were the bivalves,.Nucula proxima and Mulinia lateralis, and the polychaete, Pectinaria gouldii. Other n ume r i c a 11 y dom i n a n t o r g a n I S ms11; dieiz r@a s i no, - r'a A i va I ue,". @ we rel:@ i - N ep h tys, i n'C i s a Tubulanus pellucidus, Mediomastus ambiseta, Polydora, websterii, Tellina agilis, Aricidea jefferysii and Polygordius appendiculatus. Shellfish Seven designated stations were inventoried for clams within the 50 foot -27- depth contour line (Fig. 2f). Hard clams were reported inlow abundance from Stations #14 and #22, while no clams were found at Stations #10, #27, #31 and #32. The hard clam population was represented by all three size categories with chowders accounting for 30.0% of the total, cherrystones 21.3% and little- necks 14.3%. 'No oysters were recovered from any of the stations within the contour line. Razor clams were found in low abundance at Stations #10, #16, #24, #25, #26 and #30 and in moderate abundance at Station #18 (Fig. 2g). Station #1 8 also contained lowflumbers of blue mussels and s,urf clams. -28- Figure 2a SA14PLING STATION POSITIONS REGION II N Nor ton Holly Stamford Pond Ott .. Cove Green Old reenwiO%% ofd 0 26 31 0 0 27 32 0 22 ':'at Neck Pl. 18 14 10 33 19 23 28 is 0 24 29 34 12 16 20 30 35 17 21 25 13 Lloyd N d IN, eck Figure 2b DEPTH OF SAMPLING STATIONS (feet) REGION II Nor ton Stamford Holly Ott Cove Pond Greeriw. Old re ord 21 36 0 40 36 0 30 36 Flat N&Ck pi. 26 23 -77----------- 72 0 0 .0 so so 95 110 70 108 .99 58 56 70 le 71 67 70 60 60 60 Llo' c yd 146 k Figure 2c: SUBSTRATE COMPOSITION OF SAMPLING STATIONS REGION ii SUBSTRATE KEY Mud 0 Sandy-mud 0 Muddy-sand Sand 13 Muddy-sandy shell A Shell Gravel Muddy-sandy gravel Rock r rim =mmmmil mm mm m m N Nor ton Stamfor Holly Ott Cov toa d Pond Green viic,h or- Old reen lord br. 0 0 Fl., Nock 0 0 0 0 0 0 0 0 0 Lloyd Neck Figure 2d NUMBER OF BENTHIC SPECIES NU14BER OF INDIVIDUALS TER GRAB SAMPLE RFGI0N II ilia m, m m m N Nor ton Holly Ott Cove Stamford Pond ob Green C 0 Old reenvii0i OTd C,%* 31-169 15-96 4-18 12-137 3-11 44-879 r1a, Neck pt. 5-11 34-276 0 0 0 5-17 17-97 0 9-34 2-4 12-174 2-16 0 9-51 16-173 16-143 6-25 5-9 10-S4 01 0 24-224 21-100 0 8-41 8-45 20-124 8-40 r Lloy Neck d Figure 2e BENTHIC SPECIES DIVERSITY CATEGORIES REGION DIVERSITY KEY Low 0 Moderate A High No organisms recovered N Nor ton Wily Stamford Pond Ott COV09 0"! 04 0 0 z Green IM c Old reenw!O 10 ord A Fl I Nock Pt. A A A A AL A A A A Lloyd.Nle k Neck Figure .2f EASTERN OYSTER AND HARD CLAM ABUNDANCE CATEGORIES RE@ION II CLAM-OYSTER KEY Clams Oysters Low 0 Moderate A High Very high No clams/oysters recovered N Nor to Stamford Holly Pond oft Cove Gree., Old Greenwich lord br. LIOYd Neck' Figure 2g ABUNDANCE CATEGORIES FOR MISCELLANEOUS SHELLFISH SPECIES REGION II 14ISCELLANEOUS SHELLFISH KEY Whelk Steamer Clam Surf Clam Low Moderate Razor Clain Blue Mussel Low 0 Moderate High Very high None recovered M low M No so im mom Now, MOMI'M 100@@M imil N Nor ton off Cove 010t.0 Stamford Pond CL ON Green Old reenviic'h 0 tord br. R AO* Flat Nock Pl. 0 Lloyd N ec @k'- REGION III A total of 52 stations (Fig. 3a) were inventoried from Region III with their respective Loran-C coordinates listed in Table 5. Sampling depths ranged from a low of 10 feet (Station #74) to a high of 132 feet (Station #79)', wi th the mean being 65.2 feet Mg. 3b). Mud was the most encountered substratum type occurring at 44.2% of all stations and sandy-mud at 25.0% (Fig. 3c). A total of 125 benthic species were recovered from Region III (Table 6) with stations #49 and #52 exhibiting the greatest number (35) and station #79 the fewest (3). The mean number of species per station was 14.3 (Fig. 3d). The.mean number of individuals per station was 137.2, ranging from a high of 598 at Station #52, to a low of 4 at Station #82. Species diversity values ranged from a low of 0.292 at Station #82, to a high of 3.795 at Station,#52. The mean H Value,for all stations was 2.091 (Fig. 3e The mean values for species diversity (2.091), species richness (14.3) and density (137.2) all fall into the moderate category. The, three numerically dominant benthic species were the coot clam, Mulinia lateralis, the nut clam, Nucula proxima, and the false quahog, Pitar morrhuana. Other dominants in decreasing rank value were: Asabellides oculata, Pe ctinaria gouldii, Tellina agilis, Ampelisca abdita, Clymenella zonalis, Aricidea jeffer-ysii, Pol.ycirrus eximus and Yoldia limatula. -36 Shellfish Fifteen designated stations were inventoried for oysters and hard clams within the 50 foot depth contour line (Fig. 3f). Hard clams were reported in low abundance from Stations #56, #57, #61, and #67 and in very high abundance at Stations #46 and #81. The cherrystone stage dominated the clam population in Region III, accounting for 79.1% of all individuals. Oysters were found in low numbers at Stations #51, #57 and #67, moderate numbers at Station #74 and very high numbers at Station #46. Razor clams were found in low numbers8Lt seven stations (Stations #36, #44, #49, #51, #52, #57 and #74) and blue mussels at four stations (Stations #46, #51, #56, and #57) (Fig. 3g) Surf clams were also reported at two stations (Stations #46 and #63). -37 Figure 3a SA74PLING STATION POSITIONS REGION III Wwa es port N Southport Greons Form ast Norwalk South Norwalk 0 67 Ono* Nproton 7 61 69 Of C.Pps Is- 76 0 69 ...... 62 56 51 46 41 0 36 0 77 70 0 0 0 52 57 63 37 42 47 0 0 0 0 0 9 71 78 85 0 0 0 53 ss 64 38 43 48 0 0 0 0 0 79 86 59 65 72 0 44 49 54 0 39 0 0 0 87 80 73 0 0 ss 60 66 so 40 45 Figure 3b DEPTH OF SAMPLING STATIONS (feet) REGION III wo m Am No m Ift I'm MOM MONNUNa W M- ejWtM M 10" M M N Southport tamg Greens Form ast Norwalk South Norwalk % 00 Nbroton 0 a 4 44 34 C. A` 0101, cop Ps .. Phoffift" is 5S 0 ...... 4S 27 26 38 24 36 0 61 64 0 36 4S S3 66 42 0 0 72 0 0 71 74 so SS 73 26 78 84 0 0 0 122 127 132 0 96 83 98 71 116 93 81 0 0 0 79 92 81 0 76 92 87 71 Figure 3c SUBSTRATE COMPOSITION OF SAMPLING STATIONS REGION III CD SUBSTRATE KEY Mud 0 Sandy-mud 0 M,uddy-sand Sand 0 Muddy-sandy shell A Shell Gravel Muddy-sandy gravel Rock M low Sam" M100 so "i MWIM.M No"I'k 'Pestp!P N Southport Greens Farms ast Norwalk V", 4@ South Norwalk A IL no N q r1o" t o n 0 0 0 f Copps .. @heffiej, V.. . @. 1 0 0 A 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Figure 3d NUMBER OF BENTHIC SPECIES - NU14BER OF INDIVIDUALS PER GRAB SAMPLE - RFGION III m, so an Iva, Iowa es"port W Im N Southport tImmM Greens FsTfn ast Norwalk South Norwalk 21-111 no* Noroton 6-148 14- 14-362 c 'nP Ps V; fio'd if 0 B-95 201-112 7-168 24-87 17-96 0 14-262 32-171 0 28-476 0 0 5-81 5 14-27S 31-132 0 0 18-68 3S-101 26-99 66-43 0 10-140 7-3S 9-93 0 17-95. 1S-64 15-195 19-69 9-14 13-215 3-4 8-192 0 0 13-116 13-35 20-72 0 18-69 35-281 16-80 0 18-48 0 8-15S 0 7-46 0 8-69 10-68 1S-72 13-338 6-10 7-40 @-22 Figure 3 e BENTHIC SPECIES DIVERSITY CATEGORIES REGION DIVERSITY KEY Low Moderate High No organisms recovered Im W Morwa kM I=' WestpMort M" an N Southport 40 %mM Greens Forms ast Norwalk South Norwalk cjl@ Noroton ce COPPS A A A A A A A A A A A A A A A A Figure 3f EASTERN OYSTER AND HARD CLA1 ABUNDANCE CATEGORIES REGION CLA74-OYSTER KEY Clams Oysters Low 0, Moderate High Very high No clams/oysters recovered M M owl m m --m-- m M =11 m = Norwa k Westport N Southport %mom rreens Fafms. ast Norwalk 0 South Norwalk 00 0 Noroton Got I 00 COO GbkmOf%%S- ;:;o Copps ls..@ @hejfjeld -'7 00 Figure 39 A BUNDANCE CATEGORIES FOR MISCELLANEOUS SHELLFISH SPECIES REGION III 41 04ISCELLANEOUS'SHELLFISH KEY Whelk Steamer Clam Surf Clam tow Moderate Razor Clam Blue Mussel Low 0 0 Moderate High Very high None recovered Norwa k Westport N Southport Greens Farms ast Norwalk South Norwalk V. @06 Noroton C.Dc e is COPPSIS..::.., @heffielcf It. 0 90 0 00 REGION IV A total of 41 stations (Fig. 4a) were inventoried from Region IV with their respective Loran-C coordinates listed in Table 7. Sampling depths ranged from 14 feet (Station #117) to 117 feet (Station #97) with the mean depth being 65.0 feet (Fig. 4b). Mud was the most frequently encountered substrate type occurring at 70.7% of all sampling stations (Fig. 4c). A total of 103 ben thic species were reported from Region IV (Table 8) with Station #128 exhibiting the greatest number (27 species) and Station #126 the fewest (0 species) (Fig. 4d). The mean number of species per station was 11.0. The mean number of individuals per station was 152.1, ranging from a high of 900 at Station #112 to a low of 0 at Station #126. Species diversity values (Fig. 4e) ranged from a low of 0.323 at Station #116 (excluding the azoic Station #126) to a high of 3.428 at Station #128., with the mean H value for all stations being 1.640. The mean values for species diversity (1.640), species richness (11.0) and density (152.1) all fall into the moderate category. The three numerically dominant benthic species were the coot clam, Mulinia lateralis, the nut-clam, .Nucula proxima, and the polychaete,.Nephtys incisa. Other dominants, in decreasing rank importance, were Pitar.morrhuana, Tellina agilis, Yoldia limatula, Mediomastus ambiseta, Asabellides oculatus, Nassarius trivittatus and Tubulanus pellucidus-. Shellfish Fourteen designated stations were inventoried for hard clams and oysters' within the 50 foot depth contour line (Fig. 4f). Hard clams were reported from only a single station (Station #111), where theyoccurred in high abundance. The population was dominated by cherrystone-sized clams which represented 66.7% of all individuals. Oysters were also reported in low numbers at the same single station (Station #111). Oysters were, however, reported in varying abundances from ten undesignated stations (Fig. 4f) which were located in the vast oyster Nuatral Bed Area off Bridgepz)rt. Surf clam populations (Fig. 4g) were reported in low numbers from Stations #118, #124 and #125. The blue mussel, Mytilus edulis, occurred in low numbers at a.single station (Station #117). Figure 4a SA'4PLING STATION POSITIONS REGION IV 4mt trat "Orc N Fairfield shoal 117 0 94 0 112 88 0 106 0 0 101 0 95 0 119 89 0 113 0 0 107 0 126 0 102 0 96 0 120 90 0 114 0 0 108 0 103 0 127 0 97 0 121 91 0 115 0 109 0 0 104 0 128 0 98 0 122 92 0 116 0 110 0 los 0 99 93 Figure 4b DEPTH OF SAMPLING STATIONS (feet) REGION IV co ts r.Mieport tr" ALM N Fairtield 5 shoal 14 26 37 20, 0 45 38 56 44 so 55 0 56 61 0 59 60 0 66 0 102 65 0 70 65 0 65 0 74 0 72 0 65 74 46 73 72 0 78 84 4i 77 91 0 88 0 90 87 0 95 95 105 117 102 C@ Figure 4c SUBSTRATE COMPOSITION OF SAMPLING STATIONS REGION IV SUBSTRATE KEY Mud 0 Sandy-mud 0 Muddy-sand Sand 13 Muddy-sandy shell A Shell Gravel Muddy-sandy gravel Rock lmtfcm 45 Fairfield Shoal at% 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Figure 4d NUMBER OF BENTHIC SPECIES -,NUMBER OF INDIVIDUALS PER GRAB SAMPLE RYGION IV Immari trapp N ell Fairti-old Shoot 9 -32 14-34 20-173 14-41 41 23-277 0 23-900 7-161 0 13-383 7 14-148 5-152 0 18-730 7-73 0 is-181 0 14-202 13-31 0 0-0 11-292 41 S-ss 10-71 0 15-384 0 11-64 0 6-46 0 6-43 4-70 0 14-238 7-21 0 13-203 @ 0- 8-45 0 8-78 0 27-14S 7-29 0 24-136 B-80 0 7-349 5-46 10-67 10-120 4 37 Figure 4e BENTHIC SPECIES DIVERSITY CATEGORIES REGION IV DIVERSITY KEY Low Moderate High No organisms recovered eport Stratford 'io` 'lip N Fairfield Shoal A A A A A A A A Figure 4f EASTERN OYSTER AND HARD CLAn4 ABUNDANCE CATEGORIES REGION IV CLA14-OYSTER KEY Clams Oysters Low 0 Moderate High Cl Very high No clams/oysters recovered Sri eport Stratford 0*00 0 N 000* Fairfield 0 Shoal No Figure 4g ABUNDANCE CATEGORIES FOR MISCELLANEOUS SHELLFISH SPECIES REGION IV MISCELLANEOUS SHELLFISH KEY Whelk Steamer Clam Surf Clam Low Moderate Razor Clam Blue Mussel Low 0 0 Moderate A High Very high None recovered Bn eport Stratford St N 0 Fairfield 0 0 Shoal at% REGION V ,A total of 58 stations (Fig. 5a) were inventoried from Region V with their respective Loran-C coordinates listed in Table 9. Sampling depths ranged from a low of 13 feet (Station #137) to a high of 114 feet (Station #142) with the mean depth being 52.4 feet (Fig. 5b) Mud was the most frequently encountered substrate type occurring at 65.5% of all sampling stations (Fig. 5c). Sampling stations with san.dy-gravel were the next principal category at 13.8% of all stations. A total of 120 benthic species were reported from Region V (Table 10) with Station #144 exhibiting the greatest number (49 species) and Stations #137 and,#151 the fewest (1 species) (Fig. 5d). The mean number of species per station was 12.6. The mean number of individuals per station was 166.7, ranging from a high of 1,324 at Station #144 to a low of I at Stations #151 and #137.. Species diversity values (Fig. 5e) ranged from a low of 0.0 at Station #151 and #137 to a high of 3.978 at Station #163, with the mean H value for all stations being 1.928. The mean values for species diversity (1.928), species richness (12.6) and density (166.7) all fall into the moderate category. .The three numerically dominant benthic species for the entir e region were the coot clam, Mulinia lateralis, the nut clam, Nucula proxima and the poly- chaete, Nephtys incisa. Other dominants, in decreasing rank importance, were Pitar morrhuana, Mediomastus ambiseta, Tellina agilis, Nassarius trivittatus, Asabellides oculatus, Yoldia limatula and Ampelisca abdita. -54- Shel I fish Twenty nine desi gnated stations were inventoried for hard cl'ams and oysters within the 50 foot depth contour line (Fig. 5f). Hard clams were reported in low abundance at Stations #138, #139, #154, and #171 and in very high abundance at Stations #153, #161, #162 and #176. Oysters were found in low abundance at designated Stations #153, #154, and #179. Six andesignated stations were established in the Natural Bed Areas of the Housatonic River (Fig. 5f). Five of these stations yielded very high numbers of oysters and one of low numbers. Razor clams were widely distributed in Region V, occurring at 16 stations (Fig. 5g), all in the low abundance category. Surf clams (Station #145), blue mussels (Station #153) and whelks (Stations #153, #170 and #179) occurred in-low abundance. The undesignated stations in the Housatonic River (Fig. 5g) also yielded very high numbers of mussels. -55- Figure 5a SAMPLING STATION POSITIONS REGION V -.56- Milford WOO 170 N 179 ....... 171 162 153 ISO, 145 172 137 163 129 154 181 146 173 138 164 130 0 155 182 Stratford P1. 0 147 0 174 139 0 165 131 156 183 0 148 175 0 140 0 166 132 0 157 184 149 0 176 0 141 167 133 0. iss iss 150 177 142 168 134 .0 159 0 186 0 151 9 178 0 143 169 135 .460 152 144 Figure 5b DEPTH OF SAMPLING STATIONS (feet) REGION V -57- Milford N 0 23 26 27 3 32 24 0 37 0 34 20 9 38 29 28 6. 48 31 43 2S 0 si Stratford pt. 0. 46 41 0 S2 39 48 37 si 0 so 47 so 43 63 39 si ss se 69 S2 0 72 so 0 57 0 6s .0 S8 so 114 81 61 72 .0 84 0 81 90 se .91 71 9 91 84 77 43 77 Figure 5c SUBSTRATE COMPOSITION OF SAMPLING STATIONS REGION V SUBSTRATE KEY Mud 0 Sandy-mud 0 Muddy-sand Sand 0 Muddy-sandy shell A Shell Gravel Muddy-sandy grave 1 Rock _58- Oyster IV Milford WOO N oq ':,.Chs Ift 1,. Stratford Pt. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Figure 5d NUMBER OF BENTHIC SPECIES - NUMBER OF INDIVIDUALS PER GRAB SAMPLE - REGION V Milford 0 7-314 N IS-411 20-98 12-580 13-180 0 19-200 0 12-168 18-122 14-171 32-120 7-28 0 19-52 14-103 0 6-42 0 14-337 6-96 19-54 17-604 strat 0. 14-247 tord Pt. IS-358 5-133 0 27-329 13-39 0 14-124 8-6S 0 10-114 0 22-78 0 13-218 0 16-189 0 8-44 0 10-112 3-13 13-216 0 .10-68 0 5-3S 0 7-70 0 18-10si 0 5-33 13-40 6-19 0 10-37 0 3-21 0 9-48 0 7-78 16-114 0 7-66 7-104 9-62 0 25- 135 0 7-46 14-44 0 10-103 8-49 0 13-102 49-1324 16-60 Figure 5e BENTHIC SPECIES DIVERSITY CATEGORIES REGION V DIVERSITY KEY Low Moderate High No organisms recovered -60- Milford WOO AL Cha fee is. A .0000%. Stratford Pt. A A A A A 0 A A A A A Figure 5f EASTERN OYSTER AND HARD CLP04 ABUNDANCE CATEGORIES REGION V CLAM-OYSTER KEY Clams Oy'ste rs Low 0 Moderate High Very high No clams/oysters recovered -61- Milford WOO N 00 Stratford Pt. Figure 59 ABUNDANCE CATEGORIES FOR MISCELLANEOUS SHELLFISH SPECIES REGION V MISCELLANEOUS SHELLFISH KEY Whelk Steamer Clam Surf Clam Low -Moderate Razor Clam Blue Mussel Low 0 Moderate High Very high None recovered -62- Milford WOO 0 d, 00* 0 Stratford Pt. Region VI A total of 80 stations (Fig. 6A-a and 6B-a') were inventoried from Region VI with their respective Loran-C coordinates listed in Table 11. (Due to the large size of this region, it has been divided onto two separate resource maps.) Sampling depths ranged from a low of 19 feet (Station # 187) to a high of 97 feet (Stations #217 and #266) with the mean,depth being 61.4 feet (Figs. 6A-b and 6B-b.) Mud was the most frequently encountered substrate type occuring at 70.0% of all sampling stations (Figs. 6A-c and 6B-c.) Sampling stations with sandy-mud was the next princi pal category at 12.5% of all stations. A total of 132 benthic species were reported from Region VI (Table 1'2) with Station #202 exhibiting the greatest number (33 species) and Stations # 191 and, #225 the least (5 species) (Figs. 6A-d and 6B-d.) The mean number of species per station was 15.1. The mean number of individuals per station was 217.3, ranging from a high of 1,473 at Station #226 to a low of 10 at Station #225. Species diversity values (Figs. 6A-e and 6B-e) ranged from a low of 0.662 at Station #199, to a high of 3.731 A'.,Station #204, with the mean H value for all stations being 2.206. The mean values for species diversity (2.206) and species richness (15.1) fall into the moderate category while mean density (217.3) ranks in the high category. The three numerically dominant benthic species for the entire region were the nut clam, Nucula Proxima, the coot clam, Mulinia laterali , and the polychaete, Nephtys incisa. Other dominants, in decreasing numerical importance, were Pitar morrhuana, 'nsis directus, Yoldia limatula, Mediomastus ambiseta, Tellina agilis, Ampelisca abdita, and PectInaria gouldii. '43- Shel I fish Twenty-six designated stations were inventoried for hard clams and oysters within the 50 foot depth contour line (Figs. 6A-f and 6B-f.) Hard clams were reported at only two stations (Stations #187 and #195) both in low abundance. Quahog sized individuals were the only clams recovered. Oysters were reported from three stations with moderate densities occuring at Station #188 and high densities at Stations # 187 and # 195. Razor clams were the most abundant shellfish species in Region VI occuring at 28 stations (Figs. 6A-g and 6B-g.) Razor clams were found in very high densities at Stations # 187, #192, and #221 and in moderate densities at Stations 189 and #213. Whelks were reported in low numbers at Stations #189, #195, #202, #226, #241, and #254. -64- Figure '6A,-a SAMPLING STATION POSI-TIONS REGION VIA -65 N West. Haven East Haven Now Haven Harbor Ilen Pt. Kelsey Is. OystefRIVOrpl. 218 187 210 202 0 19S 219 188 211 203 0 196 0 220 189 212 204 197 22'1 190 213 20S 198 191 222 214 206 199 192 9 223 21S 207 200 193 0 224 216 0 0 2011----...@.!.,,,. 225 194 217 Ada Figure 6A-b DEPTH OF SAMPLING STATIONS (feet) RECION VIA @66- West Haven N East Haven Now Haven Harbor Sanpt. XOIGOV Is. OVlqSlRIV6fpt. 0 2.7 22 32 31 42 32 0 43 47 0 33 48 44 0 so Si S2 0 53 51 57 0 S7. 0 S7 0 61 60 6S 6S 63 63 0 72 76 75 66 so so 83 0 93 79 9i Figure 6A-c SUBSTRATE COMPOSITION OF SAMPLING STATIONS REGION VIA SUBSTRATE KEY Mud 0 Sandy-mud 0 Muddy-sand Sand Muddy-sandy shell A Shell Gravel Mudd Y-sandy gravel Rock, West Haven East Haven N Now Haven Harbor Kelsey Is. 10@n Pt IAO ysl*rRiverPt. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Figure 6A-d NUMBER OF BENTHIC SPECIES - NUMBER OF INDIVIDUALS PER GRAB SAIMPLE. - REGION VIA East Haven West Haven N Now Haven Harbor 00@ Kelsey Is. PC 25-257 12-135 8-16 33-263 14-31 28--; 102 1 19-126 17-208 22-257 20-66 13-76 15-134 24-323 0 27-124 0 is-190 14-'217 16-99 0 16-94 14-30 0 10-41 0 9-12 5-34 9-37 10-38 0 11-71 0 9-24 13-157 9-18 9-149 19-97 11-39 10,040 6-12, 0 9-44 8-18 5-10 11-64 9-49 Figure 6A-e BENTHIC SPECIES DIVERSITY CATEGORIES REGION VIA DIVERSITY KEY Low 0 Moderate High No organisms recovered -69- West Haven East Haven N Now Haven Harbor pt. OystafRiverpt. A A A A A A A A A A A A A A A A A A A A A A A A A Figure 6A-f EASTERN OYSTER AND HARD CLAM ABUNDANCE CA TEGORIES REGION VIA Jr CLAM.-OYSTER KEY Clams Oysters Low 0, 0 Moderate A High C3 Very high No clams/oysters recovered -70- West Haven East Haven Now Haven Harbor 'asn Pt. Kelsey Is. Figure 6A-g ABUNDANCE CATEGORIES FOR MISCELLANEOUS SHELLFISH SPECIES REGION VIA MISCELLANEOUS SHELLFISH KEY Whelk Steamer Clam Surf Clam Low 0 Moderate Razor Clam Blue Mussel Low 9 0 Moderate A High Very high None recovered -71- West Haven N East Haven 0 New Haven Harbor an Pt. it. OysterRiverPt. A Figure 6B-a SkMPLING STATION POSITI:ONS REGION VIB -72- East Haven Branford told 0*0 60 Kelsey to 0 ONO 226 241 260 234 254 227 248 242 261 235 255 228 249 243 262 236 256 229 2SO 244 263 237 257 230 251 0 245 264 238 258 231 252 0 246 26S 239 0 259 232 253, 0 247 266 240 LE a sI 233 Figure 6B-b DEPTH OF SAMPLING STATIONS (feet) REGION VIB -73- East Haven Branford N 'Ile Kola" Is 1 0, 0 40 22 42 39 39 37 44 38 0 47 41 0 46 35 47 43 52 Si 0 52 S2 53 63 0 0 63 61 0 60. 0 721 6S 73 0 0 76 88 73 as 74 82 87 94 82 83 0 93 91 91 97 .0 89 91 'Figure 6B-c SUBSTRATE COMPOSITION OF SAMPLING STATIONS REGION VIB SUBSTRATE KEY Mud 0 Sandy-mud 0 Muddy-sand- Sand 0 Muddy-sandy shell A Shell Gravel Muddy-sandy -cr'ravel Rock- -74- East Haven Branford N JOfd 9:0 0 'Ile Op K Isey Is *,v A A 0 0 0 A Q 0 0 0 0 A 0 0 0 Figure 6B-d NUMBER-OF BENTHIC SPECIES - NUMBER OF INDIVIDUALS PER GRAB SAMPLE - REGION VIB -75- East Haven Branford N all lp Kelm" Is 18-1473 0 14-1313 0 14-43 0 21-209 17-130 29-575 0 20-298 01 29-802 0 20-71 0 2S-527 0 15-407 19-187 23-S97 21-S17 17-446 19-S29 17-774 12-77 16-337 0 24-327 14-117 0 20-339 0 12-264 19-113 22-388 0 1S-73 0 14-1S2 0 11-25 0 8-186 17-4S 1S-317 0 12-158 13-119 0 B-37 10-218 13-109 0 12-70 0 8-33 11-102 0 10-104 14-107 Figure 6B-e BENTHIC SPECIES DIVERSITY CATEGORIES REGION VIB DIVERSITY KEY Low A Moderate High No organisms recovered -76- East Haven Branford N told 618 0 Opp Kels" Is voe A A A A A A A Figure 6B-f EASTERN OYSTER AND HARD CLAM ABUNDANCE CATEGORIES REGION VIB CLA.M-OYSTER KEY Clams Oysters Low 0 Moderate A I High Very high No clams/oysters recovered -77- East Haven Branford K Is" Is oo Figure 6B-g ABUNDANCE CATEGORIES FOR MISCELLANEOUS SHELLFISH SPECIES REGION VID MISCELLANEOUS SHELLFISH KEX Whelk Steamer Clam Surf Clam Low 0 Moderate Razor Clam Blue Mussel Low 0 '1 Moderate A High 0 Very high None recovered -78- tast H.aven Branford N Kole" Is 0 Ire voello LEa Region VII A total of 53 stations (Fig. 7a) were inventoried from Region VII with their respective Loran-C coordinates listed in Table 13. Sampling depths ranged from a low of 13 feet (Station #267) to a high of 100 feet (Station #302) with the mean depth being 66.7 feet (fig. 7b.) Sand and mud.dy-sand were the most frequently encountered substrate types occuring at 62.2% of all sampling stations (Fig. 7c,) while mud occured at only 13.0% of the stations. A total of 134 benthic species were reported from Region VII (Table 14,) with Station #280 exhibiting the greatest number (36 species) and Station #317 the least (4 species) (Fig. 7d.) The mean number of species per station was 20.1. The mean number of individuals per station was 293.0, ranging from a high of 1,285 at Station #277 to a low of 7 at Station #317. Species diversity values (Fig. 7e) ranged from a low of 1.131 at Station #267 to a high of 3.363 at Station #280 with the mean H value for all stations being 2.563. The mean values for species diversity (2.563,) species richness (20.1) and density (293.0) all fall into the high category. The three numerically dominant benthic species for the entire region were the bamboo worm, Clymenella zonalis, the polychaete, Asabellides oculatus and the mud worm, Spiophanes bombyx. Other dominants, in decreasing numerical importance, were; Tellina agilis, Nassarius trivittatus, Mulinia lateralis, Mediomastus ambiseta, Nephtys picta, Ampelisca abdita and Ensis directus. -79- Shel If i sh Sixteen designated stations were inventoried for hard clams and oysters within the 50 foot depth contour line (Fig. 7f.) Hard clams and oysters were not recovered from any- of these stations. Hard clams occured in low, moderate and very high densities at three undesignated stations (Fig. 7fj with the chowder sized category accounting for the,100% of all individuals. Razor clams were widely distribuded throughout the region (Fig. 7g) occuring at 28 stations. Razor clams were present in low numbers at all stations except Stations #307 and #313 where moderate numbers were reported. Whelks were found in low numbe rs at nine stations (Stations #274, #281, #286, #292, #298, #299, 4304, #309 and #315.) The blue mussel was found in low numbers at a single station (Station #281.) -80- Figure 7a SA"4PLING STATION POSITIONS REGION VII 80 Madison .00 bFlyinqPt N d libr. Sol .4 298 292 10 SacheMHeod 309 267 286 304 0 280 299 274 293 310 268 0 287 ftlkner Is. 305 0 0 281 0 300 316 275 294 0 311 269 288 306 0 282 301 317 0 276 29S 312 270 0 0 289 307 283 277 0 302 0 318 296 313 271 0 290 308 284 co 0 303 319 278 0 272 0 297 314 0 291 285 279 273 Figure 7b DEPTH OF SAMPLING STATIONS ('feet) -.REGION vII dwforom ow ,00 bFlyingPt. Madison N VAbr. e 0 id Polo c1coe 20 Allot", SaChern"84 23 20 13 32 27 0 35 38 0 42 S3 46 27 47 Falkne.rls- 0 so 27 1 27 72 37 0 9 0 81 64 51 0 0 27 76 0 70 81 82 0 70 91 0 73 81 .0 87 96 99 0 88 0 100 0 86 0 92 91 91 0 94 92 96 97 0 89 96 94 0 90 SS 85 93 90 94 Figure 7c SUBSTRATE COMPOSITION OF SAMPLING STATIONS REGION vii SUBSTRATE KEY Mud 0 Sandy-mud 0 Muddy-sand Sand 0 .Muddy-sandy shell A Shell Gravel Muddy-sandy gravel .Rock -.%./ 4h jo",Ua covo d Hbr. Madison 0 Sacher-n H*ad 0 13. 0 tj 0 cl Figure 7d NUMBER OF BENTHIC SPECIES - NUMBER OF INDIVIDUALS PER GRAB SAMPLE - RFGION VII 80 WiIfAw b Flying F4 VAbr. Madison 0 \N01% d r_O** )Oslo$ 22-559 4b CbI . 1 0 0 Sachem 15-76 S-18 0 23-22 0 33-703 0 20-113 0 36-290 18-97 22-532 0 0 0 16-92 17-64 16-72 22-62 8-22 17-225 Fa I k me r I a. 4 0 0 9 .17-114 12- 0 21-181 23-233 24-406 12-47 0 20-146 22-127 0 23-446 0 0 24-269 0 26-172 0 4-7 30- 199 0 23-174 0 .14-54 0 15-68 19-108 9 23-517 0 0 0 34-1285 16-49 12-51 20-705 0 24-175 18-219 0 0 23-222 16-40 .0 24-926 24-141 0 27-777 0 12-42 29-827 0 24-205 9-4S 0 21-495 25-1124 2S-995 29-690 Figure 7e BENTHIC SPECIES DIVERSITY CATEGORIES REGION VII Ln DIVERSITY KEY Low Moderate High No organisms recovered C@ rd .0-0 *Flying Madison 04 e d Vibr. 0 @O 0@.,q '0 @Os'wb 01) AL 41 SaChemIN4,9d AIL Falkner Is. A A A A A A A A A Figure 7f EASTERN OYSTER AND HARD CLAM ABUNDANCE CATEGORIES REGION VII 00 CLA'14-OYSTER KEY Clams Oysters Low 0 Moderate High Very high No clams/oysters recovered Guilford 0 0 '"Ma ison d Vibr. log r-OM Sachem V408 Falkner Is. % % % % 4juvw, - r -Ove Figure 79 ABUNDANCE CATEGORIES FOR MISCELLANEOUS SHELLFISH SPECIES REGION VII 'MISCELLANEOUS SHELLFISH KEY Whelk Steamer Clam Surf Clam Low 0 Moderate Razor Clam Blue Mussel Low 0 Moderate A High 0 Very high None recovered Guilfor g l4rg.n.i 04 td Vibr. Madison 0 a OP 9 C;,ve J@p , 0\0 NIV -Sachem Head 00* Falkner is. 0 A Region VIII A total of 39 stations (Fig. 8a) were inventoried from Region VIII-Wtth-"th0-r respective Loran-C coordinates listed in Table 15. Sampling depths ranged from a low of 9 feet (Station #336) to a high of 170 feet (Station #358) with the mean depth being 65.4 feet (Fig. 8c.) A total of 138 benthic species were reported from Region VIII (Table 16) with Station #329 exhibiting the greatest number (40 species) and Station #357 the least (0 species) (Fig. 8d.) The mean number of species per station was 12.5. The mean number of individuals per station was 78.-0, ranging from a high of 976 at Station #354 to a low of 0 at Station #357. Species diversity values (fig. 8e) ranged from a low of 0.0 at Station #357 to a high of 3.743 at Station #329, with the mean H value for all stations being 2-020. The mean values for species diversity (2.020) and species richness (12.5) fall into the moderate category, while density (78.0) falls into the low category.. The three numerically dominant benthic species, for the entire region, were: The amphipod, Protohaustorius wigleyi, the bivalve, Telling agilis and the amphipod, Acanthohauttorius millsi. Other dominants, in decreasing numerical importance, were: Nephtys picta, Aricidea jefferysii, Unicola irrorata, Nassarius trivittatus, Prionospio heterobranchia Bathyporeia.guoffyensis and Clitellio arenarius. Shellfish Nine designated stations were inventoried for hard clams and oYstLbrs within the 50 foot depth contour line (Fig. 8f.) Hard clams were recovered in low -88- abundance from only a single station (Station #340) with only the Chowder size category being represented. Oysters were not recovered from any of the designated stations. Razor clams (Stations #320, #325, #326, #339, #340, 4341 and #349) (Fig. 8g,) steamer clams (Stations #328 and #347,) surf dlams (Station #38,) blue mussels (Station #328) and whelks (Stations #332 and #340) all occured in low numbers in Region VIII. -89- Figure 8a SA'APLING STATION POSITIONS REGION VIII Madison Clinton N Westbrook 340 10 349 > Duck Is. 336 Ham 332 345 @328 0 341 0 350 324 337 0 333 346 320 0 3S4 329 342 0 351 325 338 0 0 0 321 334 0 347 0 355 330 0 343 0 32.6 339 0 352 0 0 322 33.5 0 348 331 344 0 327 0 323 Figure 8b DEPTH OF SAMPLING STATIONS (feet) REGION VIII Madison Clinton N Westbrook 14 37 0 Dmk Is. 9 Harn 0 35 0 24 0 46 0 61 52 32 60 0 46 75 43 0 85 79 57 0 81 82 40 79 54 0 83 0 0 148 58 0 135 0 91 76 121 91 19 0 40 55 93 93 93 ...... .... . ........ Figure 8c SUBSTRATE COMPOSITION OF SAMPLING STATIONS REGION VIII SUBSTRATE KEY Mud 0 Sandy-mud 0 Muddy-sand Sand, 0 Muddy-sandy shell A Shell Gravel @Muddy-sandy gravel Rock 13 0 0 v 0 v 13 0 v 0 v v v 0 NO 0 )IoojqAeS plo loojqlseM u0jullo Figure 8d NU-14BER OF BENTHIC SPECIES NU14BER OF INDIVIDUALS PER GRAB SAMPLE RFGION VIII Ma isonM M Clinton N Westbrook .0-144 0 0 21-90 > Duck 10. 26-116 Ham 10-57 15-46 20 23-58 20-55 0 6-239 4-14 15-80 0 4-30 0 16-75 0 29-365 6-47 40-347 0 3-14 0 6-12 19-42 9-31 0 9-S9 6-17 0 24-49 0 13-26 4-9 0 8-23 0 9-20 12-4S 9-97 0 9-64 3-s 2-19 7-24 S-12 0 3-18 8-36 Figure 8e BENTHIC SPECIES DIVERSITY CATEGORIES REGION VIII DIVERSITY KEY Low 0 Moderate A High IN No organisms recovered Mimi Madison Cl inton Westbrook A 4t' A? Duck Is. Ham V A AL AL A 0 Figure 8f EASTERN OYSTER AND HARD CLAM ABUNDANCE CATEGORIES REGION VIII CLA.14-OYSTER KEY Clams Oysters Low 0 0 Moderate A High Very high No clams/oyste'rs recovered auto, MadISOn Clinton N Westbro-ok 'SUCIL Is. 4t' Duck to. "am % % Figure 8g ABUNDANCE CATEGORIES FOR MISCELLANEOUS SHELLFISH SPECIES REGION VIII UD. MISCELLANEOUS SHELLFISH KEY Whelk Steamer Clam Surf Clam Low Moderate Razor Clam Blue Mussel Low 0 Moderate A High Very high None recovered vim Madison Clinton N Westbrook . . 4@* cr 0 > Duck Is. Ham 00 0 Region IX A total of 41 stations (Fig. 9a) were inventoried from Region IX with their ''respective Loran-C coordinates listed in Table 17. Sampling depths ranged from a low of,7 feet (Station #356) to a high of 178 feet ( Station #397) with the .mean depth being 83.0 feet (Fig. 9b.) Sandy-gravel and sandy-shell were the most frequently encountered substrate .type occuring at 58.6% of all the sam pling stations (Fig. 9c.) .A total of 200 benthic species were reported from Region IX (Table 18) with Station #394 exhibiting the greatest number (55 species) and Station #365 the fewest (6 species) (Fig. 9d.) The mean number of species per station was 178.3, ranging from a high of 777 at Station #390 to a low of 15 at Station #359. Species diversity values (fig. 9e) ranged from a low of 1.037 at Station #356, to a high of 4.442 at Station #394, with the mean H value for all stations being 3.209. The mean values for species diversity (3.209) and species richness (28.8) fall into the high category, while density (178.3) can be considered moderate. The three numerically dominant benthic species for the entire region were the Caprellid amphipod, Aeginina longicornis, the polychaete .Cirratulis grandis and the polychaete, Ampharete artica. Other dominants in decreasing numerical 'importance were; Prionospio heterobranchia, Uniciola irrorata, Spiophanes ,bombyx Ampelisca abdita, Corophium acutum, Mitrella lunata and Prionospio tenuis. Shellfish Sixteen designated stations were inventoried for hard clams and oysters -97- within the 50 foot depth contour line (Fig. 9f.) No hard clams or oysters were reported from any of these stations. Razor clams (Fig. 9g) were reported in low abundance from 13 stations within the region. Blue mussels were recovered from 10 stations, with moderate numbers occuring at Station #386 and, very high numbers at Station #376. Steamer clams (Station #393) and whelks (Stations #368, #374, #384 and #387) also occured in low abundance within the'region. -98- Figure ga SA14PLING STATION POSITIONS REGION IX ow NO aw go wit UK Niantic Fp4t.. N South Lyme say Old Lyme '.307 0 Black 384 3 so,und View 0 Great is. 374 .381 V 388 371 $Wald Pt. 378 385 0 3E Pt. 0 GUS, 368 0 .@bf sw 375 382 389 365 0 379 386 39; 362 369 0 9, 376 0 383 3S9 0 366 373 380 363 370 0 377 360 367 364 361 Figure 9b DEPTH OF SAMPLING STATIONS (feet) REGION Ix I" low Mantic millatom P'. N South Lyme say 0 Old Lyme 28 0 Black 34 Sound View 0 % Great is. is 26 0 58 Oriswold Pt. 32 0 S6 98 8 G%0Td 'a Pt. is W Say.. 4S 116 101. 7 S4 0 0 97 0. 141 2S 117 as 0 0 100 119 3S 98 112 136 130 120 0 140 144 146 1S6 108 Figure 9c SUBSTRATE COMPOSITION OF SAMPLING STATIONS REGION IX SUBSTRATE KEY TWud 0 Sandy-mud 0 Muddy-sand Sand Muddy-sandy shell A Shell Gravel Muddy-sandy gravel Rock aw lie. M No -Am IWO Niantic HIM*" N South Lyme Old Lyme 0 ONG say 000 Black P Sound View dreat Is. Pt. bf A A A Figure 9-d NU14BER OF BENTHIC SPECIES NUMBER OF INDIVIDUALS PER GRAB SAMPLE' RFGION IX owl owl Niantic mitts Pt. J N South Lyme say 0 23-97 Old Lyme 0 0 24-257 30-7 20-98 31-59 sound Visw 54-443 Great Is- 28-99 IS-71 29-16S 49-42 pt- pt. s@39 40-175 35-S20 4S-252 "t ow 6-101 25-49 33-92 34-14S 31-8 10-63 14-S4 26-136 31-144 7-15 22-156 2S-85 32-107 9-61 3S-153 I-IS5 4 10-19 st-368 A 33-6S Figure 9e BENTHIC SPECIES DIVERSITY CATEGORIES REGION IX DIVERSITY KEY Low Moderate High No organibmt reedvered U moil bm, Ift lift Niantic Millstone Pt, South Lyme Say Old Lyme 00 A Black Pt Sound View Greai is. Griswold Pt. A A 1,61,Wsa pl. A sly'wala -- ----- A A Figure 9f EASTERN OYSTER AND HARD CLA"I ABUNDANCE CATEGORIES REGION IX CLA'4-OYSTER KEY @Oysters Clams Low 0 0 Moderate A High 13 Very high No clams/oysters recovered mot) Niantic Pt, N -J, South Lyme .9 say Old Lyme Black % Sound View Great Is. Griswold Pl. e f,do Pt. bf sfe*WSW .0 Figure gg ABUNDANCE CATEGORIES FOR MISCELLANEOUS SHELLFISH SPECIES REGION IX MISCELLANEOUS SHELLFISH KEY Whelk Steamer Clam Surf Clam Low 0 Moderate Razor Clam Blue '14ussel Low .0 Moderate High Very high None recovered Am 90 NO aw a$ aw Hiantic illstone N pt. de South Lyme, say Old Lyme Oleo Sound View Great is. do Griswold Pt. oftstou's pt. slid aw 0 0 0 Region X 'A total of 14 Stations (Fig. 10a) were inventoried from Region X with their respective Loran-C coordinates listed in Table 19. Sampling depths ranged from a low of 6 feet (Station #413) to a high of 84 feet (Station #408) with the mean depth being 34.7 feet (Fig. 10b.) Region X exhibited a Variety of substrate types with mud, muddy-sand and sand each occuring [email protected]% of all sampling stations (Fig. 10c.) A total of.167 benthic species were reported from Region X (Table 20) with Station #408 exhibiting the greatest number (58 species) and Station #412 the fewest (10 species) (Fig. 10d.) The mean number of species per station was 36.1. The mean number of individuals per station was 432.6, ranging from a high of 1.632 at Station #411 to a low of 141 at Station #400. Species. diversity values (Fig. l0e) ranged from a low of 1.072 at Station #401' to a high of 4.399 at Sta tion #405, with the mean H value for all stations being 3.055. The mean-value for species Mversity (3.055) falls into the high category while species richness (36.1) and density (178.3) can be considered very high. The three.numerically dominant benthic species for the entire region.were the amphipod, Ampelisca abdita, the polychaete, Aricidea jefferysii and the bamboo worm, Clymenella zonalis. Other dominants, in decreasing numerical importance, were: Leptocheirus pinguis,-Cirratulis 'grandis Prionospio tenuis, Prionospio heterobranchLia., Lumbrinereis impatiens, Polycirrus eximus, Uniciola irrorata and Corophium acherusicum. -106- Shel I fish Ten designated stations were inventoried for hard clams and oysters within the 50 foot depth contour line (Fig. 10f.) Hard clams were found in low abundance at Station #405 and in very high numbers at Station #402. Cherrystone sized clams dominated the population, accounting for 60.5% of all individuals. Oysters were not reported for any of the ten stations. Surf clams (fig. 10g) were reported in low numbers at Station #405 and in moderate numbers at Station #410, while razor clams occured in low abundance at three stations (Stations #405, #406 and #407.) Blue mussels were found in low numbers at Station #408 and in very high numbers at Stations #410 and #411. Whelks were reported in low abundance at three stations (Stations 402, #405 and #41.0.) -107- Figure 10a SA14PLING STATION POSITIONS REGION X ffas Am. M, 06 on, So aw m N Mystic West Mystic Groton 0 A A 0 Noank p 1 0 Mumford Pl. ko j 407 V 410. 4016 41 402 0 409 405 0 - 400 0 408 404 % DunM91" am .pt. Flat H&MMOck 403 %. 401 fill V:%St%ers 1SISINO Race Pt. Figure 10b DEPTHOF SAMPLING STATIONS (feet) REGION X N Mystic West Mystic Groton % b. cc 0 Noan Jr. 0 C) Mumford Pt. 33 16 27 19 0 42 40 38 0 84 East Pt. 38 *N Dump&4' Flat Hammock so %, 11% 67 V%st%ers Isla Rac* Pt. 0 Figure 10c SUBSTRATE COMPOSITION OF SAMPLING STATIONS REGION X SUBSTRATE KEY -Mud 0 Sandy-mud 0 Muddy-sand Sand 13 Muddy-sandy shell A Shell A Gravel Muddy-sandy gravel Rock sun* OR' mm-WO M Myst ic West Mystic Groton 0 0 0, elf 0 Af cc Noank 0 .C 70 0 Mumtord Pt. 13 0 *N Dumpling East Pt. 0 Flat Hammock 41. 0 %'I's fill v%s1hers Isla Race Pt. Figure 10d NIYABER OF BENTHIC SPECIES NU14BER OF INDIVIDUALS PER GRAB SAMPLE RF-GI-ON X 04 to A, VM, MON Am, m mma sma son, Not M; N Mystic West Mystic Groton 0 'a 0 b. > 0 FE Noan I Mumford Pl. U 45-19 aw 1050 6 28-290 7-429 23-16, 37-213 52-32S 44-169 35-141 0 58-880 East pt. 55-1335 *N Dumpling Flat Hammock 23-iss Oil 22-380 0 V.%St%ers ISISTI Rac* Pt. Figure 10e BENTHIC SPECIES DIVERSITY CATEGORIES REG16N X DIVERSITY KEY Low Moderate High No organisms recovered r It mi M MMMMMOM most N 'Mystic West mystic Groton 0 10 C 0 0 0 Noank IR Mumford Pt. S. *N Dumpling East Pt. Flat Hammock *:kshers sle Raco Pt. Figure 10f EASTERN OYSTER AND HARD CLAM ABUNDANCE CATEGORIES REGION CLAM-OYSTER KEY Clams Oysters Low 0 Moderate High 13 Very high No clams/Qysters recovered not M@ No M@ M M N mystic West Mystic Groton 0 CI# 00 ?. 0 Noank .0 10 0 Mumford Pl. 01 00 N Dumpling East Pt Flat Hammock 0;60 fkst%ers Isis Race F4. Figure -10g ABUNDANCE CATEGORIES FOR MISCELLANEOUS .SHELLFISH SPECIES REGION X 114ISCELLANEOUS SHELLFISH KEY Whelk Steamer Clam Surf Clam Low 0 Moderate Razor Clam Blue Mussel Low 0 Moderate A High Very high None recovered I it t. 11110 11 111 t mini, Bibliography Bender, M.E., J.L. Hyland, and T.L. Duncan, 1974. Effects of an oil spill on benthic animals in the lower York River, Va. In: Proceedings of Marine Pollution Mobitoring Symposium, IOC-UNESCO, WMO, USDC-NBS, 257 - 260. Berne, S., M. Marchand, and D. Ozouville, 1980. Pollution of seawater and marine sediments in coastal areas. Ambio 9:287 - 293. Boesch, D.F., 1972. Species diversity of marine macrobenthos in the Virginia area. Cheseapeake Science. 13:202 - 211. 1.973. Classification and community structure of macrobenthos in the Hampton Rhaods Area, Virginia. Mar. Bio. 21:226 244. Bowman, M.J., 1977. Nutrient distribution and transport in L ong Island Sound. Estuarine Coastal Mar. Sci. 5:531 - 548. Buikeman, A.L., B.R.. 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Gamble, 1979. Experiments with large enclosed ecosystems. Phil. Trans. R. Soc. Lond., Ser. B., 286:523 - 544.- Dejohn T.M., 1975. A comparison of three diversity indices based on their c omponents of richness and evenness. Oikos 26:222 227. N Mystic West Mystic Groton 0 v 0 A r A FE Noank 70 C) Mumford Pl. 116. 0 East Pt. Dumpling ..v Flat Hammock 04 ON %stliers IsIsIN16 ftce Pt. Dudley, S., J.A. Babinchak, and J.T. Graikoski, 1977. Enumeration and distribution of bacterial populations of Long Island Sound. Mar. Poll. Bull. 8:285.- 287. Driscol, E.G., 1975. Sediment-animal-water interaction, Buzzards Bay, Massachusetts. J. Mar. Res. 33:275 - 302. FEOWG, 1977. A selected bibliography of the fate and effects of oil pollution relevant to the Canadian marine environment. EPS-3-EC-77-23. Final Environmental Impact Statement (FEIS), 1981. Connecticut's Coastal Area Management Program: An overview. Connecticut Coastal Area Management Unit, Hartford,.-Connetticu't. Gardner, W.S., R.F. 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Abundance and distribution of inshore benthic faUna"pff southwestern Long Island, N.Y. NOAA TR NMFS SSRF-673. Ushakov, P. V., 1955. Polychaeta of the Far Eastern Seas of the U.S.S.R. Acad. Sci. U.S.S.R. #56. 472p. Williams, A.B., 1974. Marine flora and fauna of the northeastern Unites States. Crustacea: Decapoda. NOAA TR NMFS Circ 389. -122- TABLE 1. Station numbers for Region I 26900 60012 60008 60004 1 2 3 26890 60014 60010 60006 4 5 6 26880 60016 60012 60008 7 8 9 -123- TABLE 2. Total. species list for Region I PHYLUM ANNELIDA Class Oligochaeta Family Tubificidae Clitellio arenarius Class Polychaeta (Bristle Worms) Family Ampharetidae (Ampharetid Worms) Family Capitellidae (Capitellid Thread Wo rms) Asabellides oculata Mediomastus ambiseta Family Chaetopteridae (Glassy Tube Worms) Spiochaetopterus oculatus Family Nephtyidae (Red-lined Worms) Nephtys incisa. Family Pectinariidae (Trumpet Worm) Pectinaria gouldii Family Polygordiidae (Archiannelid) Polygordius appendiculatus Family Spionidae (Mud Worms) Polydora websteri PHYLUM ARTHROPODA Class Crustacea Subclass Malacostraca Order Decapoda Family Cancridae (Rock Crab) Cancer irroratus (Rock Crab) Family Majiidae (Spider Crabs) Libinia emarginata Family Paguridae (Hermit Crabs) Pagurus pollicaris Family Portunidae (Swimming Crabs) -Ovalipes ocellatus (Lady Crab) Family Xanthidae (Mud Crabs) Neopanope texana sayi Order Stomatopoda Family Squillidae Squilla empusa (Mantis shrimp) PHYLUM ECHINODERMATA Class Stelleroidea (Brittle and Sea Stars) Family Asteriidae .Asterias forbesi (Forbes' Asterias) -124- (Region 1 cont.) PHYLUM MOLLUSCA Class Bivalvia Family Arcidae Anadara transversa (Transverse Ark) Family Lyonsiidae Lyonsia hyalina (Glassy Lyonsia) Family Mactridae Mulinia lateralis .(Little Surf Clam) Family Mytilidae Mytilus edulis (Blue Mussel) Family Nuculanidae Yoldia limatula (File Yoldia) Family Nuculidae Nucula proxima (Near Nut Shell) Family Ostreidae Crassostrea virginica (Eastern American Oyster) Family Pandoridae Pandora gouldiana (Gould"s Pandora) Family Tellinidae Tellina agilis Family Veneridae Mercenaria mercenaria (Quahog) Pitar morrhuana (False Quahog) Class Gastropoda (Snails) Family Calyptraeidae prepidula fornicata (Common Slipper Shell) Crepidula plana (Flat Slipper Shell) Family Nassariidae Nassarius trivittatus (New England Dog Whelk) Family Natacidae Polinices duplicata (Lobed Moon Snail) Family Retusidae Retusa canaliculata PHYLUM RHYNCHOCOELA (Nemertean Worms) Family Lineidae Cerebratulus sp. Family Tubulanidae Tubulanus pellucidus -125- TABLE 3. St.ation numbers for Region II <26870> <60022> <60018> <60014> <60010> 10 11 12 13 <26860> <60024> <60020> <60016> <60012> 14 15 16 17 <26850> <60026> <66022> <60018> <60014> 18 19 20 21 <26840> <60028> <60024> <60020> <60016> 22 23 24 25 <26830> <60034> <60030> <60026> <60022> <60018> 26 27 28 29 30 .<26820'> <60036> <60032> <60028> <60024> <60020> 31 32 33 35 -126- TABLE 4. Total species list for Region II PHYLUM ANNELIDA Class Oligochaeta Family Tubificidae Clitellio arenarius Class Polychaeta ABristle Worms) Family Ampharetidae (Ampharetid Worms) A�abellides oculata Family Capitellidae (Capitellid Thread Worms) Mediomastus ambiseta Family Chaetopteridae (Glassy Tube Worms) Spiochaetopterus oculatus Family Cirritulidae (Fringed Worms) Cirratulis grandis Cossura longocirrata Dodecaceria coralii Family Flabelligeridae (Flabelligerid Worms) Flabelligera affinis Pherusa affinis Family Glyceridae (Blood Worms) Glycera americana Glycera capitata Family Maldanidae (Bamboo Worms) .Clymenella zonalis Family Nephtyidae (Red-lined Worms), Nephtys incisa Nephtys picta Family Nereidae (Sand/Clam Worms) Nereis zonata Family Oweniidae Owenia fusiformis Family Paraonidae (Paraonid Worms) Aricidea jefferysii Par.aonis fulgens Family Pectinariidae (Trumpet Worm) Pectinaria gouldii Family Phyllodocidae (Paddle Worms) Eteone heteropoda Eumida sanguinea Phyllodoce arenae Phyllodoce maculata Family Pilargidae Sigambra tentaculata Family Polygordiidae (Archiannelid) Polygordius appendiculatus Family Polynoidae (Scale Worms) Harmothoe imbricata Lepidonotus squamotus Family Sabellaridae (Sand Builder Worms) Sabellaria vulgaris Family Spionidae (Mud Worms) Polydora hamata Polydora websteri Prionospio heterobranchia Spiophanes bombyx Streblospio benedicti -127- PHYLUM ANNELIDA (cont.) Family Syllidae (Syllid Worms) Autolytus cornutus Autolytus prismaticus Eusyllis blomstrandi. Syllides longocirrata Family Terebellidae (Terebellid Worms) Polycirrus sp. P14YLtJM ARTHROPODA Class Crustacea Subclass Malacostraca Order Amphipoda Suborder Caprellidea (Skeleton Shrimp) Family Caprellidae Aeginina longicornis Suborder Gammaridea Family Ampeliscidae Ampelisca abdita Ampelisca vadorum Family Aoridae Leptocheirus pinguis Unciola irrorata Order Decapoda Family Crangonidae Crangon septemspinosa (Sand Shrimp) Family Majiidae (Spider Crabs.) Libinia emarginata Family Paguridae (Hermit Crabs) Pagurus pollicaris Family.Xanthidae (Mud Crabs) I Neopanope texana sayi Order Mysidacea (Mysid Shrimp) Family Mysidae Mysidopsis bigelowi .Neomysis americana PHYLUM ECHINODERMATA Class Stelleroidea (Brittle and Sea Stars) Family Asteriidae Asterias forbesi (Forbes' Asterias) -128- PHYLUM MOLLUSCA Class Bivalvia Family Arcidae Anadara transversa (Transverse Ark) Family Lyonsiidae Lyonsia arenosa Lyonsia hyalina (Glassy Lyonsia) Family Mactridae MUlinia lateralis (Little Surf Clam) Spisula solidissima (Surf Clam) Family Mytilidae Mytilus edul,is (Blue Mussel) Family Nuculanidae Yoldia limatula (File Yo,ldia) Yoldia sp. Family Nuculidae Nucula proxima (Near Nut Shell) Family Pandoridae Pandora gouldiana (Gould's Pandora) Family Solenidae Ensis directus (Common Razor Clam) Family Tellinidae Tellina agilis Family Veneridae Mercenaria mercenaria (Quahog) Pitar morrhuana (False Quahog) Class Gastropoda (Snails) Family Buccinidae Buccinum undatum (Waved Whelk) Family Calyptraeidae Crepidula fornicata (Common Slipper Shell) Crepidula plah'a (Flat Slipper Shell) Family Columbellidae Mitrella lunata (,Crescent.Mitrella) Family Nassariidae Nassarius,trivittatus (New England Dog Whelk) Family Pyramidellidae (Pyramid Shells) Turbonilla sp. Family Retusidae Retusa canaliculata PHYLUM PHORONIDA (Phoronid Worms) Phoronis architecta PHYLUM PORIFERA (Sponges) Family Clionidae Cliona sp. (Boring Sponges) PHYLUM RHYNCHOCOELA (Nemertean Worms) Family Tubulanidae Tubulanus pellucidus -129- TABLE 5. Station numbers for Region III <26810> <60038> <60034> <60030> <60026> <6002,2> 36 37 38 39 40 <26800> <60040> <60036> <60032> <60028> <60024> 41 42 43 44 45 <216790> <60042> <60038> <60034> <60030> <60026> <60024> 46 47 48 49 50 51 <26780> <60044> <60040> <60036> <60032> <60028> 52 53 54 55 56 <26770> <60050> <60046> <60042> <60038> <60034> <60030> 57 58 59 60 61 62 <26760> <60052> <60048> <60044> <60040> <60036> <60032> 63 64 65 66 67 68 <26750> <60058> <60054> <60050> <60046> <-60042> <60038> <60034> 69 70 71 72 73 74 75 <26740> <60060> <60056> <60052> <60048> <60044> <60040> <60036> 76 77 78 79 80 81 82 <26730> <60062> <60058> <60054> <60050> <60046> <60042> <60038> 83 84 85 86 87 88 89 -130- TABLE 6. Total species list for Region III PHYLUM ANNELIDA. Class Oligochaeta Family Tubificidae Clitellio arenarius Class Polychaeta (Bristle Worms) Family Ampharetidae (Ampharetid Worms) Asabellides oculata Family Arabellidae (Arabellid Thread Worms) Arabella iricolor Driloneris longa Family Capitellidae (Capitellid Thread Worms) Mediomastus ambiseta Family Chaetopteridae (Glassy Tube Worms) Spiochaetopterus oculatus Family Cirritulidae (Fringed Worms) Cirratulis grandis Cossura longocirrata Dodecaceria coralii Family Flabelligeridae (Flabelligerid Worms) Flabelligera affinis Pherusa affinis Family Glyceridae (Blood Worms) Glycera americana Glycera capitata Family Hesionidae (Swift-footed Worms) Podarke obscura Family Lumbrineridae (Lumbrinerid Thread Worms) Lumbrineris tenuis Family Maldanidae (Bamboo Worms) Asychis elongata Clymenella zonalis Family Nephtyidae (Red-lined Worms) Nephtys bucera Nephtys incisa Nephtys picta Family Nereidae (Sand/Clam Worms) Nereis virens Nereis zonata Family Onuphidae (Plumed Worms) Diopatra cuprea Family Orbiniidae (Orbinid Worms) Orbinia americana Scoloplos robustus Family Oweniidae Owenia fusiformis Family Paraonidae (Paraonid Worms) Aricidea jefferysii Paraonis fulgens Family Pectinariidae (Trumpet Worm) Pectinaria gouldii Family Phyllodocidae (Paddle Worms) Eteone heteropoda Eteone trilineata Eumida sanguinea Phyllodoce arenae Family Pilargidae Sigambra tentaculata -131- PHYLUM ANNELIDA (cont.) Family Polygordiidae (Archiannelid) Polygordius .appendiculatus Family Polynoidae (Scale Worms) Antinoella sarsi Harmothoe imbricata Lepidonotus squamotus Faitiiy Sabellaridae (Sand Builder Worms) Sabellaria vulgaris Family Sabellidae (Fan Worms) Potamilla reniformis Family Scalibregmidae (T-headed Worm) Scalibregma inflatum Family Serpulidae Hydroides dianthus Family Sigalionidae (Burrowing Scale Worms) Sthenelais limicola Family Spionidae (Mud Worms) ''Polydora hamata Polydora websteri Prionospio heterobranchia Spio filicornis Spibphanes bombyx Streblospio benedicti Family Syllidae .(Syllid Worms) Autolytus cornutus Elusyllis blomstrandi Family Terebellidae (Terebellid Worms) Polycirrus sp. -132- PHYLUM ARTHROPODA Class Crustacea Subclass IVIalacostraca order Amphipoda Suborder Caprellidea .(Skeleton Shrimp) Family Caprellidae Aeginina longicornis- Hemiaegina minuta Sdb6tdor Gammaridea Family Ampeliscidae Ampelisca abdita Ampelisca vadorum Family Aoridae Leptocheirus pinguis Unciola irrorata Family Corophiidae Corophium lacustre Family Photidae Photis sp. Order Cumacea Family Diastylidae Oxyurostylis smithi Order Decapoda Family Cancridae (Rock Crab) Cancer irroratus (Rock Crab) Family Crangonidae .Crangon septemspinosa (Sand Shrimp) Family Majiidae (Spider Crabs) I Libinia emarginata Family Paguridae (Hermit Crabs) Pagurus longicarpus Pagurus pollicaris Family Portunidae (Swimming Crabs) Carcinus maenas (Green Crab) Ovalipes oc6llatus (Lady Crab) Family Xanthidae (Mud Crabs) Eurypahopeus depressus Panopeus herbstii Order Isopoda Family Idoteidae Chirodotea coeca Order Mysidacea (Mys'ld Shrimp) Family Mysidae Neomysis americana Subclass Ostracoda Ostracod PHYLUM CNIDARIA Class Anthozoa (Sea Anemones) Family Astrangiidae Astrangia danae (Star Coral) Family Metridiidae Metridium senile (Frilled Anemone) Family Sagartidae Actinothoe modesta (Burrowing Anemone) -133- PHYLUM ECHINODERMATA Class Echinoidea (Sea Urchins and Sand Dollars) Family Arbaciidae Arbacia punctulata (Purple Sea Urchin) .Class Stelleroidea (Brittle and Sea Stars) Family Asteriidae Asterias forbesi (Forbes' Asteirias) PHYLUM MOLLUSCA Clagg Bivalvia Family Anomiidae Anomia simplex (jingle Shell) Family Arcidae Anadara transversa (Transverse Ark) Family Astartidae Astarte undata Family Lyonsiidae Lyonsia arenosa Lyonsia hyalina (Glassy Lyonsia) Family Mactridae Mulinia lateralis (Little Surf Clam) Spisula solidissima (Surf Clam) Family Mytilidae Mytilus edulis (Blue Mussel) Family Nuculanidae Yoldia limatula fFile Yoldia) Yoldia sp. Family Nuculidae 'Nucula proxima (Near Nut Shell) Family Ostreidae Crassostrea virginica (Eastern American Oyster) Family Pandoridae Pandora glacialis Pandora gouldiana (Gould's Pandora) Pandora inornata Family Solenidae .Ensis directus (Common Razor.Clam) Family Tellinidae Tellina agilis Family Thraciidae Thracia septentrionalis Family Veneridae Mercenaria mercenaria (Quahog) Pitar morrhuana (False Quahog) Group 4 Bivalve -134- Class Gastropoda (Snails) Family Acteonidae ACteon punctostriatus Family Calyptraeidae Crepidula fornicata (common slipper Shell) Crepidula plana (Flat Slipper Shell) Family Cerithiidae Seila adamsii (Wood Screw Shell) Family Columbellidae Anachis avara .(Dove Shell) Mitrella lunata (Crescent Mitrella) Family Corambi.dae Corambella depressa (Nudibranch) Family Muricidae Eupleura caudata (Thick-lipped Oyster Drill) Urosalpinx cinera (Oyster Drill) Family Nassariidae Nassarius trivittatus (New England Dog Whelk) Family Natacidae Lunatia heros (Northern Moon Snail) Polinices duplicata (Lobed Moon Snail) Polinices levicula Family Pyramidellidae (Pyramid Shells) Odostomia sp. Turbonilla sp. Family Retusidae Retusa canaliculata Retusa obtusa Family Rissoidae Rissoa sp. Family Scaphandridae Cylichna sp. PHYLUM PHORONIDA (Phoronid Worms) Phoronis architecta PHYLUM PLATYHELMINTHES (Flatworms) Family Stylochidae Stylochus ellipticus (Oyster Flatworm) PHYLUM PORIFERA (Sponges) Family Clionidae Cliona sp. (Boring Sponges) Family Microcionidae Microciona sp. (Red Beard Sponge) PHYLUM RHYNCHOCOELA (Nemertean Worms) Family Lineidae Cerebratulus lacteus (Milky Ribbon Worm) Family Ototyphlonemertidae Ototyphlonemertes pellucida Family Tubulanidae Tubulanus pellucidus -1357 Table 7. Station numbers for Region IV <26720> <60060> <60056> <60052> <60048> <60044> <60040> 90 91@ 92 93 94 95 <26710> <60062> <60058> <60054> <60050> <60046> <60042> 56 97 98 99 100 101 <26700> <60064> <60060> <60056> <60052> <60048> <60044> 102 103 104 105 @106 107 <26690> <60062> <60058> <60054> <60050> <60046> 108 109 110 ill 112 <26680> <60068> <60064> <60060> <60056> <60052> <60048> 113 114 116 117 118 <26670> <60070> <60066> <60062> <60058> <60054> <60050> 119 120 121 122 123 124 <26660> <60072> <600'68> <60064> <60060> <60056> <60052> 125 126 127 @128 129 130 -136- 9BLE 8. Total species list for RegionIV YLUM ANNELIDA Class Oligochaeta Family Tubificidae Clitellio arenarius Class Polychaeta (Bristle Worms) Family Ampharetidae (Ampharetid Worms) Asabellides oculata Family Arabellidae (Arabellid Thread Worms) Driloneris longa Family Capitellidae (Capitellid Thread Worms) Mediomastus ambiseta Family Chaetopteridae (Glassy Tube Worms) Spiochaetopterus oculatus Family Cirritulidae (Fringed Worms) Cirratulis cirratus Cirratulis grandis Cossura longocirrata Family Flabelligeridae .(Flabelligerid Worms) Flabelligera affinis Pherusa affinis Family Glyceridae (Blood Worms) Glycera americana Family Maldanidae (Bamboo Worms) Asychis elongata Clymenella zonalis Family Nephtyidae (Red-lined Worms) N6phtys incisa Nephtys picta Family Onuphidae (Plumed Worms) Diopatra cuprea Family Oweniidae Owenia fusiformis Family Parapnidae (Paraonid Worms) Aricidea jefferysii Paraonis fulgens Family Pectinariidae (Trumpet Worm) Pectinaria gouldii Family,,Phyllodocidae (Paddle Worms) Phyllodoce groenlandica Family Pilargidae Sigambra tentaculata Family.Polygordiidae (Archiannelid) Polygordius appendiculatus Family Polynoidae (Scale Worms) Antinoella angusta Antinoella sarsi Harmothoe imbricata Lepidonotus squamotus Family Sabellaridae (Sand Builder Worms) sabellaria vulgaris Family Serpulidae HyOroides dianthus -137- Family Spionidae (Mud Worms) Polydora websteri Prionospio heterobranchia Scolecolepides viridis Spiophanes bombyx Streblospio benedicti Family Syllidae (Syllid,Worms), Autolytus cornutus Family Terebellidae (Terebellid Worms) Polycirrus sp. PHYLUM ARTHROPODA Class Crustacea. Subclass Malacostraca Order Amphipoda Suborder Gammaridea Family Ampeliscidae Ampelisca abdita Ampelisca vadorum Family Aoridae Leptocheirus pinguis Unciola --rrorata Fa mily Corophiidae Corophium insidiosum Corophium lacustre Order Cumacea Family Diastylidae Oxyurostylis smithi Order Decapoda Family Cancridae (Rock Crab) Cancer irroratus (Rock Crab) Family Limulidae Limulus polyphemus (Horseshoe Crab) Family Majiidae (Spider Crabs) Libinia emarginata Family Paguridae (Hermit Crabs) Pagurus longicarpus Pagurus pollicaris Family Portunidae (Swimming Crabs) ovalipes ocellatus (Lady Crab) Family Xanthidae (Mud Crabs) Neopanope texana sayi Rhithropanopeus harrissi Crab zoea Order Isopoda Family Idoteidae Chirodotea coeca Order Mysidacea (Mysid Shrimp) Family Mysidae Neomysis americana .Subclass Ostraco.da Ostracod PHYLUM CNIDARIA .Class Anthozoa (Sea Anemones) Family Astrangiidae Astrangia danae (Star Coral) Family Cerianthidae Ceriantheopsis americanus (Ceriantharian Anemone) -138@ Family Sagartidae Actinothoe modesta (Burrowing Anemone) PHYLUM ECHINODERMATA Class Echinoidea (Sea Urchins and Sand Dollars) Family Arbaciidae Arbacia punctulata (Purple Sea Urchin) Class Stelleroidea (Brittle and Sea Stars) Family Asteriidae Asterias forbesi (Forbes' Asterias) PHYLUM MOLLUSCA Class Bivalvia Family Anomiidae Anomia simplex (Jingle Shell) Family Arcidae Anadara transversa (Transverse Ark) Family Astartidae Astarte undata 'Family Lyonsiidae Lyonsia arenosa Lyonsia hyalina (Glassy Lyonsia) Family Mactridae Mulinia lateralis (Little Surf Clam) Spisula solidissima (Surf Clam) Family Myidae Mya arenaria (Soft-shelled Clam) Family Mytilidae ' Mytilus edulis (Blue Mussel) Family Nuculanidae Yoldia limatula (File Yoldia) Yoldia sp. Family Nuculidae Nucula proxima (Near Nut Shell) Family Ostreidae Crassostrea virginica (Eastern American Oyster) Family Pandoridae Pandora glacialis Pandora gouldiana (Gould-Is Pandora) Family Petricolidae Petricola pholadiformis (False Angel Wing) Family Solenidae Ensis directus (Common Razor Clam) Family Tellinidae Tellina agilis Family Veneridae Gemma gemma (Gem Shell) Mercenaria mercenaria (Quahog) Pitar morrhuana (False Quahog) Class Gastropoda (Snails) Family Acteonidae Acteon punctostriatus Family Calyptraeidae Crepidula fornicata (Common Slipper Shell) Crepidula plana (Flat Slipper Shell) Family Columbellidae Mitrella lunata (Crescent Mitrella) Family Corambidae Corambella depressa (Nudibranch) Family Muricidae Eupleura caudata (Thick-lipped Oyster Drill) Urosalpinx cinera (Oyster Drill) -139- Family Nassariidae Nassarius trivittatus (New England Dog Whelk) Family Pyramidellidae (Pyramid Shells) Turbonilla sp. Family Retusidae Retusa canaliculata Retusa obtusa Family Rissoidae Rits6a sp. Family Scaphandridae Cylichna sp. Scaphander punctorostriatus Group 4 Gastropod (Shelled Opistobranchia and Pulmonata) PHYLUM PHORONIDA (Phoronid Worms) Phoronis architecta PHYLUM PORIFERA (Sponges) Family Clionidae (Boring Sponges) Cliona sp. Family Microcionidae Microciona sp. (Red Beard Sponge) PHYLUM RHYNCHOCOELA (Nemertean Worms) Family Cephalothricidae Procephalothrix spiralis Family Tubulanidae Tubulanus pellucidus PHYLUM SIPUNCULA (Sipunculan Worms) Phascolopsis gouldii -140- TABLE 9. Station numbers for Region V <26650> <60082> <60078> <60074> <60070> <60066> <60062> <60058> <60054> 131 132 133 134 .135 136 137 138 <26640> <60080> <60076> <60072> <60068> <60064> <60060> <60056> 139 140 141 142 143 144 145 <26630> <60086> <60082> <60078> <60074> <60070> <60066> <60062> <60058> 146 147 148 149 150 151 152 153 <26620> <60088> <60'084> <60080> <60076> <60072> <60068> <60064> <60060> 154 155 157 158 159 160 161 <26610> <60094> <60090> <60086> <60082> <60078> <60074> <60070> <60066> <60062>:@ 162 163 164 165 166 167 168 169 170 <26600> <60096> <60092> <60088> <60084> <60080> <60076> <60072> <60068> <60064>@@ 171 172 173 174 175 176 177 178 179 <26590> <60094> <60090> <60086> <60082> <60078> <60074> <60070> <60066> 180 181 18-2 183 184 185 186 187 -141- TABLE 10. Total species list for Region V PHYLUM ANNELIDA Class Oligochaeta Family Tubificidae Clitellio arenarius Class Polychaeta (Br,istle Worms) Family Ampharetidae (Ampharetid Worms) Asabellides oculata Melinna cristata Family Arabellidae (Arabellid Thread Worms) Driloneris longa Family Capitellidae (Capitellid Thread Worms) Mediomastus ambiseta Family Chaetopteridae AGlassy Tube Worms) Spiochaetopterus oculatus Family Cirrit.ulidae (Fringed Worms) Cirratulis grandis Cossura longocirrata Family Flabelligeridae (Flabelligerid Worms) Flabelligera affinis Pherusa affinis Family Glyceridae (Blood Worms) Glycera americana Family Hesionidae (Swift-footed Worms) Podarke obscura Family Lumbrineridae (Lumbrinerid Thread Worms) Lumbrineris tenuis Family Maldanidae (Bamboo Worms) Agychis elongata Clymenella torquata Clymenella zonalis Family Nephtyidae (Red-lined Worms) Nephtys incisa Nephtys picta Family Nereidae (Sand/Clam Worms), Nereis virens Family Onuphidae (Plumed Worms) Diopatra cuprea Family Oweniidae Owenia fusiformis Family Paraonidae (Paraonid Worms) Aricidea jefferysii Paraonis fulgens Family Pectinariidae (Trumpet Worm) Pectinaria gouldii Family Phyllodocidae (Paddle Worms) Eteone trilineata Eumida sanguinea Phyllodoce arenae Family Pilargidae Sigambra tentaculata Family Polygordiidae (Archia,nnelid) Polygordius appendiculatus Family Polynoidae (Scale Worms) Antinoella sarsi Harmothoe imbricata Lepidonotus squamotus -142- Family Sabellaridae (Sand Builder Worms) Sabellaria vulgaris Family Sabellidae (Fan Worms) Myxicola infundibulum Family Serpulidae Hydroides dianthus Family Sigalionidae (Burrowing Scale Worms) Pholoe minuta Pamily Spionidae (Mud Worms) Polydora hamata Polydora websteri P.rionospio heterobranchia Spiophanes bombyx Streblospio benedicti Family Syllidae (Syllid Worms) Autolytus cornutus Autolytus fasciatus Eusyllis blomstrandi Exogone dispar Exogone verugera Family Terebellidae (Terebellid Worms) Polycirrus sp. PHYLUM ARTHROPODA Class Crustacea Subclass Malacostraca Order Amphipoda Suborder Caprellidea (Skeleton Shrimp) Family Caprellidae Aeginina longicornis Suborder Gammaridea Family Ampeliscidae Ampelisca abdita Ampelisca vadorum Family Aoridae Leptocheirus pinguis Unciola irrorata Family Corophiidae Corophium insidiosum Corophium lacustre Family Photidae Photis sp. Order Cumacea Family Diastylidae Oxyurostylis smithi Order Decapoda Family Cancridae (Rock Crab) cancer irroratus (Rock Crab) Family Crangonidae Crangon septemspinosa (Sand Shrimp) Family Majiidae (Spider Crabs) Libinia emarginata Family Paguridae (Hermit Crabs) Pagurus longicarpus Pagurus pollicaris Family Portunidae (Swimming Crabs) Callinectes sapidus (Blue Crab) Ovalipes ocellatus (Lady Crab) -143- Family Xanthidae (Mud Crabs) Panopeus herbstii Rhithropanopeus harrissi. Crab zoea Order Isopoda Family Idoteidae Edotea triloba Order Mysidacea (Mysid Shrimp) Family Mysidae- Neomysis americana Subclass Ostracoda Ostracod PHYLUM ASCHELMINTHES (Round Worms) Class Nematoda Nematode A Nematode B PHYLUM CNIDARIA Class Anthozoa (Sea Anemones) Family Astrangiidae Astrangia danae (Star Coral) Family Metridiidae Metridium senile (Frilled Anemone) PHYLUM ECHINODERMATA Class Echinoidea (Sea Urchins and Sand Dollars). Family Arbaciidae Arbacia punctulata (Purple Sea Urchin) Class Stelleroidea (Brittle and Sea Stars) Family Amphiuridae Axiognathus squamatus (Dwarf Brittle Star) Family Asteriidae' Asterias forbesi (Forbes' Asterias) PHYLUM MOLLUSCA Class Bivalvia Family Anomiidae Anomia simplex (jingle Shell) Family Arcidae Anadara transversa (Transverse Ark) Family Astartidae Astarte undata Family Lyonsiidae Lyonsia arenosa Lyonsia hyalina (Glassy Lyonsia), Family Mactridae Mulinia lateralis (Little Surf Clam) Spisula solidissima (Surf Clam) Family Myidae Mya arenaria (Soft-shelled Clam) Family Mytilidae Mytilus edulis (Blue Mu,ssel) Family Nuculanidae Yoldia limatula (File Yoldia) Family Nuculidae Nucula proxima (Near,Nut Shell) Family Ostreidae Crassostrea virginica (Eastern American Oyster) Family Pandoridae Pandora gouldiana (Gould's Pandora) -144- Family Solenidae Ensis directus (Common Razor Clam) Family Tellinidae Tellina agilis Family Veneridae Mercenaria mercenaria (Quahog) Pitar morrhuana (False Quahog) Class Gastropoda (Snails) Family Acteonidae Acteon punctostriatus Family Aporrhaidae Aporrhais occidentalis Family BUccinidae Colus sp. Family Calyptraeidae Crepidula fornicata (Common Slipper Shell) Crepidula plana (Flat Slipper Shell) Family Columbellidae Mitrella lunata (Crescent Mitrella) Family Corambidae Corambella depressa (NUdibranch) Family Melongenidae Busycon canaliculatum (Channeled Whelk) Busycon carica (Knobbed Whelk) Family Muricidae Urosalpinx cinera (Oyster Drill) Family Nassariidae Nassarius trivittatus (New England Dog Whelk) Family Natacidae Polinices'duplicata (Lobed Moon Snail) 1 Family Pleurobranchiidae Pleurobranchaea tarda (Nudibranch) Family Pyramidellidae (Pyramid Shells) Odostomia sp. Family Retusidae Retusa canaliculata Retusa obtusa Family Rissoidae Rissoa sp. Family Scaphandridae Cylichna sp. Family Turridae Balcis sp. PHYLUM PHORONIDA (Phoronid Worms) Phoronis architecta PHYLUM PORIFERA (Sponges) Family Clionidae Cliona sp. (Boring Sponges) Family Microcionidae Microciona sp. (Red Beard Sponge) PHYLUM RHYNCHOCOELA (Nemertean Worms) Family Cephalothricidae Procephalothrix spiralis Family Lineidae Cerebratulus lacteus (Milky Ribbon Worm) Family Tubulanidae Tubulanus pellucidus PHYLUM SIPUNCULA (Sipunculan Worms) Phascolopsis gouldii -145- TABLE 11. Stationnumbers for Region VI <26580> <60096> <60092> <60088> <60084> <60080> <60076> <6007'2> <60061 188 189 190 191 192 193 194 195 <26570> <60094> <60090> <60086> <60082> <60078> <60074> <6007-0> 196 197 198 199 200 201 202 <26560> <60096> <60092> <60088> <60084> <60080> <60076> <60072> <60068) 203 204 205 206 207 208 209 2101 <26550> <60098> <60094> <60090> <60086> <60082> <60078> <60074> <6007 211 212 213 214 215 216 217 218 - <26540> <60100> <60096> <60092> <60088> <60084> <60080> <60076> <6007 219 220 221 222 223 224 225 2261 <26530> <60102> <60098> <60094> <60090> <60-086> <60082> <60078> <60071 227 229 230 231 232 233 234 <26520> <60100> <60096> <60092> <60088> <60084> <60080> <60076> 235 236 237 2138 239 240 241 <26510> <60102> <60098> <60094> <60090> <60086> <60082> <60078> 242 243 244 245 246 247 248 <26500> <60100> <60096> <60092> <60088> <60084> <60080> 249 250 251 252 253 254 <26490> <60102> <60098> <60094> <60090> <60086> <60082> 255 256 257 258 259 260 <26480> <60104> <60100> <60096> <60092> <60088> <60084> <60080> 261 262 263 264 265 266 267 -146- TABLE 12. Total species list for Region VI PHYLUM ANNELIDA Class Oligochaeta Family Tubificidae Clitellio arenarius Class Polychaeta (Bristle Worms) Family Ampharetidae (Ampharetid Worms) Asabellides oculata Melinna sp. Family Arabellidae (Arabellid Thread Worms) Driloneris longa Driloneris magna Family Capitellidae (Capitellid Thread Worms) Mediomastus ambiseta Family Chaetopteridae (Glassy Tube Worms) Spiochaetopterus oculatus Family Cirritulidae (Fringed-Worms) Cirratulis grandis Cossura longocirrata Family Flabelligeridae (Flabelligerid Worms) Flabelligera affinis Pherusa affinis Family Glyceridae (Blood Worms) Glycera americana Glycera capitata Glycera dibranchiata Family Lumbrineridae (Lumbrinerid Thread Worms) Lumbrineris acutus Family Maldanidae (Bamboo Worms) Asychis elongata Axiothella mucosa Clymenella torquata Clymenella zonalis Family Nephtyidae (Red-lined Worms) Nephtys incisa Nephtys picta Family Nereidae (Sand/Clam Worms) Nereis diversicolor Nereis grayi Nereis zonata Family Onuphidae (Plumed Worms) Diopatra cuprea Onuphis eremita Family Orbiniidae (Orbinid Worms) Orbinia sp. Family Oweniidae .Owenia fusiformis Family Paraonidae (Paraonid Worms) Aricidea jefferysii Paraonis fulgens . Family Pectinariidae (Trumpet Worm) Pectinaria gouldii Family Phyllodocidae (Paddle Worms) Eteone heteropoda Phyllodoce arenae Phyllodoce maculata -147- Family Pilargidae Cabira incerto Sigambra tentaculata Family Polygordiidae (Archiannelid.) Polygordius appendiculatus Family Polynoidae (Scale worms) Antinoella angusta Antinoella sarsi Harmothoe imb ricata Lepidonotus squamotus Family Sabellaridae (Sand Builder Worms) SabellAria vulgaris Family Sabellidae (Fan,,Worms) Potamilla reniformis Family Serpulidae Hydroides dianthus Family Spionidae (Mud Worms) Polydora hamata Polydora websteri Prionospio heterobranchia Spiophanes bombyx Streblospio benedicti Family Syllidae (Syllid Worms) Autolytus cornutus Eusyllis blomstrandi Eusyllis lamelligera Parapionosyllis longocirrata Syllides longocirrata PHYLUM ARTHROPODA Class Crustacea Subclass Copepoda Calanoid Copepod Subclass Malacostraca order Amphipoda Suborder Caprellidea (Skeleton Shrimp) Family Caprellidae Aeginina longicornis Suborder Gammaridea Family Ampeliscidae Ampelisca abdita Ampelisca vadorum Family Aoridae Leptocheirus pinguis Unciola irrorata Family Corophiidae Corophium insidiosum Corophium lacustre Order Cumacea Family Diastylidae Oxyurostylis smithi Order Decapoda Family Cancridae (Rock Crab) Cancer irroratus (Rock Crab) Family Crangonidae Crangon septemspinosa (Sand Shrimp) Family Majiidae (Spider Crabs) Libinia emarginata -148- Family Paguridae (Hermit Crabs) Pagurus longicarpus Pagurus pollicaris Family Pinnotheridae (Commensal Crabs) Pinnixa sp. Family Portunidae (Swimming Crabs) Ovalipes ocellatus (Lady Crab) Family Xanthidae (Mud Crabs) N6opanope texana-sayi Crab megalopa .Crab zoea Order Isopoda Family Idoteidae Chirodotea coeca Order Mysidacea (Mysid Shrimp) Family Mysidae Neomysis americana Subclass Ostracoda Ostracod PHYLUM ASCHELMINTHES (Round Worms) Class.Nematoda Nematode B PHYLUM CNIDARIA Class Anthozoa (Sea Anemones) Family Actinostolidae Paranthus rapiformis Family Astrangiidae Astrangia danae (Star Coral) Family Cerianthidae. Ceriantheopsis americanus (Ceriantharian Anemone), Family Edwardsiidae Edwardsia elegans (Burrowing Anemone) Fagesia lineata PHYLUM ECHINODERMATA Class Echinoidea (Sea Urchins and Sand Dollars) Family Arbaciidae Arbacia punctulata (Purple Sea Urchin) Class Stelleroidea (Brittle and Sea Stars) Family Asteriidae Asterias forbesi (Forbes' Asterias) PHYLUM MOLLUSCA Class Bivalvia Family Anomiidae Anomia simplex (Jingle Shell) Family Arcidae Anadara transversa (Transverse Ark) Family Lyonsiidae Lyonsia arenosa. Lyonsia hyalina (Glassy Lyonsia) Family Mactridae Mulinia lateralis (Little Surf Clam) Spisula solidissima. (Surf Clam),, Family Nuculanidae Yoldia limatula (pile Yoldia) Yoldia sp. Family Nuculidae Nucula proxima (Near Nut Shell) Family Ostreidae Crassostrea virginica (Eastern American Oyster) -149- Family Pandoridae Pandora glacialis Pandora gouldiana (Gould's Pandora) Family Solenidae Ensis,directus (Common Razor Clam) Family Tellinidae Tellina agilis Family Veneridae Me'rcenaria mercenaria (Quahog) Pitar morrhuana (False Quahog) Class Gastropoda (Snails) Family Aqteonidae Acteon punctostriatus Family Calyptraeidae Crepidula fornicata (Common Slipper Shell) Crepidula plana (Flat Slipper Shell) Family Cerithiidae Seila adamsii (Wood Screw Shell) Family Columbellidae Mitrella lunata (Crescent Mitrella) Family Corambidae Corambella depressa (Nudibranch) Family Melongenidae .Busycon canaliculatum (Channeled Whelk) Busycon carica (Knobbed Whelk) ,Family Muricidae Eupleura caudata (Thick-,lipped Oyster Drill) Urosalpinx cinera (Oyster Drill) Family Nassariidae Nassarius trivittatus (New England Dog Whelk) Family Natacidae Lunatia heros (Northern Moon Snail) Polinices duplicata (Lobed Moon Snail) Family Pyramidellidae (Pyramid Shells) Odostomia sp. Turbonilla sp. Family Retusidae Retusa canaliculata Retusa obtusa Family Rissoidae' Rissoa sp. Family Scaphandridae Cylichna sp. Scaphander punctorostriatus Family Turridae Balcis sp. Group 4 Gastropod (Shelled Opistobranchia and Pulmonata) PHYLUM PHORONIDA (Phoronid Worms) Phoronis architecta PHYLUM PLATYHELMINTHES (Flatworms) Family Stylochidae Stylochus ellipticus (Oyster Flatworm) PHYLUM PORIFERA (Sponges) Family Clionidae ICliona sp. (Boring Sponges) Family Microcionidae Microciona sp.. (Red Beard Sponge) -150- PHYLUM RHYNCHOCOELA (Nemertean Worms) Family Lineidae Cerebratulus lacteus (Milky Ribbon Worm) Micrura caeca Family Tubulanidae Tubulanus pellucidus PHYLUM SIPUNCULA (Sipunculan Worms) polfingia improvisa Phascolopsis elegans Phascolopsis gouldii TABLE 13. Station numbers for Region VII <26470> <60106> <60102> '<60098> <60094> <60090> <60086> <60082> 268 269 270 271 272 273 274 <26460> <60104> <60100> <60096> <60092> <60088> <60084> 1'7r, 276 277 278 279 280 <26450> <60106> <60102> <60098> <60094> <60090> <60086> 281 282 283 284 285 286 <26440> <60108> <60104> <60100> <60096> <60092> <60088> 287 288 289 290 291 292 <26430> <60110> <60106> <60102> <60098> <60094> <60090> 293 294 295 296 297 298 <26420> <60112> <60108> <60104> <60100> <60096> <60092> 299 300 301 302 303 304 <26410> <60110> <60106> <60102> <60098> <60094> 305 306 307 308 309 <26400> <60112> <60108> <60104> @60100> <60096> <60092> 310 311 312 313 314 315 <26390> <60110> <60106> <60102> <60098> <60094> 316 317 318 319 320 -152- TABLE 14. Total species list for-Region VII PHYLUM ANNELIDA Class Oligochaeta Family Tubificidae Clitellio arenarius Unknown Oligochaetes Class Polychaeta (Bristle Worms) Family Ampharetidae (Ampharetid Worms) Amage auricula Ampharete arctica Asabellides oculata Melinna cristata Family Arabellidae (Arabellid Thread Worms) Arabella iricolor Family Capitellidae (Capitellid Thread Worms) Capitella capitata Mediomastus ambiseta Family Chaetopteridae (Glassy Tube Worms) Spiochaetopterus oculatus Family Cirritulidae (Fringed Worms) Cirratulis grandis Family Dorvilleidae (Four-eyed Dorvillids) Stauronereis sociabilis Family Flabelligeridae (Flabelligerid Worms) Flabelligera affinis Pherusa affinis, Family Glyceridae (Blood Worms) Glycera americana Glycera capitata Glycera dibranchiata Glycera tesselata Family Goniadidae .(Chevron Worms) Goniadella gracilis Family Lumbrineridae (Lumbrinerid Thread Worms) Lumbrineris fragilis Family Maldanidae (Bamboo Worms) @Clymene'lla torquata Clymenella zonalis Family Nephtyidae (Red-lined Worms) Nephtys bucera Nephtys incisa Nephtys picta Family Nereidae (Sand/Clam Worms) Nereis grayi Nereis succinea Family Onuphidae (Plumed Worms) Diopatra cuprea Family Orbiniidae (Orbinid Worms) Scoloplos fragilis Scoloplos robustus Family Oweniidae Owenia fusiformis Family Paraonidae (Paraonid Worms) Aricidea jefferysii Paraonis fulgens Paraonis lyra Family Pectinarli'dae .(TrU'mp:6t Worm) Pectinaria gouldii 1 @53-, Family Phyllodocidae (Paddle Worms) Eteone lactea Phyllodoce arenae Phyllodoce maculata Tamily Polygordiidae (Archiannelid) Polygordius appendiculatus Family Polynoidae (Scale Worms) Antinoella sarsi Harmothoe imbricata Family Sabellaridae (Sand Builder Worms) Sabellaria vulgaris Family Sigalionidae (Burrowing Scale Worms.) Pholoe minuta Family Spionidae (Mud Worms) Laonice cirrata .Polydora ligni Polydora websteri Prionospio heterobranchia Prionospio steenstrupi@ Prionospio tenuis Pygospio elegans Scolecolepides viridis Scoleiepis squamata' ..,Spiophanes bombyx Streblospio benedicti Family Syilidae (Syllid Worms) Autolytus cornutus Autolytus fasciatus Eusyllis blomstrandi Family Terebellidae .(Terebellid Worms) Polycirrus eximus PHYLUM ARTHROPODA Class Crustacea Subclass Copepoda Calanoid Copepod Subclass Malacostraca Order Amphipoda Suborder Caprellidea (Skeleton Shrimp) Family Caprellidae . Aeginina longicornis Suborder Gammaridea Family Ampeliscidae Ampelisca abdita Ampelisca vadorum Ampelisca verrilli Family Aoridae Leptocheirus pinguis Unciola serrata Unciola irrorata Family Corophiidae Corophium acherusicum Corophium crassicorne Corophium insidiosum Family Gammaridae Gammarus lawrencianus Gammarus oceanicus -154- Family Haustoriidae Protohaustorius deichmanne Protohaustorius wigleyi Family Phoxocephalidae Phoxocephalus holbolli Trichophoxus epistomus Family Pleustidae Stenopleutes gracilis @amilly Pododeridae Dulichia porrecta Order Cumacea Family Diastylidae Oxyurostylis smithi Order Decapoda .Family Cancridae (Rock Crab) Cancer i 'rroratus. (Rock Crab) Family Majiidae (Spider Crabs) Libinia emarginata Family Paguridae (Hermit Crabs) Pagurus longicarpus Pagurus pollicaris Family Pinnotheridae (Commensal Crabs) Pinnixa sp. Family Portunidae (Swimming Crabs) Ovalipes ocellatus (Lady Crab) Family Xanthidae (Mud Crabs) Neopanope texana sayi Crab zoea Order Isopoda Family Idoteidae Edotea triloba Order Mysidacea (Mysid Shrimp) Family Mysid.ae Praunus flexuosus PHYLUM ASCHELMINTHES (Round Worms) Class Nematoda Nematode A Nematode B Nematode C Nematode D PHYLUM CHAETOGNATHA (Arrow Worms) Sagitta sp. PHYLUM CNIDARIA Class Anthozoa (Sea Anemones) Family Actinidae Tealia felina (Northern Red Anemone) Family Cerianthidae Ceriantheopsis americanus (Ceriantharian Anemone) Family Edwardsiidae Edwardsia elegans (Burrowing Anemone) Family Metridiidae Metridium senile (Frilled Anemone) Family Sagartidae Actinothoe modesta (Burrowing Anemone). PHYLUM ECHINODERMATA Class Holothuroi ,d,ea .(Sea Cucumbers) Family sy"ptidae Leptosynapta roseola Class Stelleroidea (Brittle and Sea Stars) Family Asteriidae Asterias forbesi (Forbes' Asterias) PHYLUM MOLLUSCA Class Bivalvia Family Arcidae Anadara transversa (Transverse Ark) Family Lyonsiidae Lyonsia hyalina (Glassy Lyonsia) Family Mactridae Mulinia lateralis (Little Surf Clam) Family Mytilidae Mytilus edulis (Blue Mussel) Family Nuculanidae Yoldia limatula (File Yoldia) Family Nuculidae Nucula proxima (Near Nut Shell) Family Pandoridae Pandora gouldiana (Gould!s Pandora) Family Solenidae Ensis directus (Common Razor Clam) Family Tellinidae Tellina agilis Family Veneridae Mercenaria mercenaria (Quahog) Pitar morrhuana (False Quahog) Class Gastropoda (Snails) Family Acteonidae Acteon punctostriatus Family Calyptraeidae Crepidula fornicata (Common Slipper Shell) Crepidula plana (Flat Slipper Shell) Family Columbellidae Mitrella lunata (Crescent Mitrella) Family Epitoniidae Epitonium sp. Family Hydrobiidae Hydrobia minuta (Swamp Hydrobia) Family Melongenidae Busycon canaliculatum (Channeled Whelk) Busycon carica (Knobbed Whelk) Family Muricidae Urosalpinx cinera (Oyster Drill) Family Nassariidae Nassarius trivittatus (New England Dog Whelk) Family Natacidae Polinices duplicata (Lobed Moon Snail) Family Pyramidell,idae (Pyramid Shells) Odostomia sp. Turbonilla sp. Family Retusidae Retusa canaliculata Retusa obtusa Family Rissoidae Rissoa sp. Family Scaphandridae Cylichna sp. Scaphander punctorostriatus Family Turridae Balcis sp. -156- PHYLUM PHORONIDA (Phoronid Worms) Phoronis architecta PHYLUM RHYNCHOCOELA (Nemertean Worms) Family Lineidae Cerebratulus sp. Family Tubulanidae Tubulanus pellucidus SIPUNCULA (Sipunculan Worms) Phascolopsis gouldii -157- TABLE 15. Station Numbers' for Region VIII <26380> <60108> <60104> <60100> <60096> 321 322 323 324 <26370> ,@60110> <60106> <60102> <60098> .325 326 32 7 328 <26360> <60112> <6 0108> <60104> <60100> 329 330 331 332 <26350> <60114> <60110> <60106> <60102> 333 334 335 336 <26340> <60116> <60112> <60108> <60104> 337 338 339 340 <26330> <60118> <60114> <60110> <60106> <60102> 341 342 343 344 345 <26320> <60116> <60112> <60108> <60104> 346 347 348 349 <26310> <60114> <60110> <60106> 350. 351 352 <2630'0> <60116> <60112> <60108> 353 354 355 <26290> <60118> <60114> <60110> 356 357 358 -158- IABLE 16. Total species list for Region VIII HYLUM ANNELIDA Class Oligochaeta Family Tubificidae Clitellio arenarius Class Polychaeta (Bristle Worms) FAmily Ampharetidae (Ampharetid Worms) Ampharete arctica Amphisamytha sp. Asabellides o.culata Family Capitellidae (Capitellid Thread Worms) Capitella capitata Mediomastus ambiseta Family.Cirritulidae (Fringed Worms) Chaetozone setosa Cirratulis cirratus Cirratulis grandis Family Dorvilleidae (Four-eyed Dorvillids) Stauronereis caecus Family Eunicida (Red-gilled Worms) Eunice pennata Family Flabelligeridae (Flabelligerid Worms) Flabelligera affinis Pherusa affinis Family Plyceridae (Blood Worms) Glycera americana Glycer a capitata Glycera dibranchiata Family Goniadidae (Chevron Worms) Goniadella gracilis Family Hesionidae (swift-footed Worms) Podarke obscura Family Lumbrineridae (Lumbrinerid Thread Worms) Lumbrineris tenuis Family Magel.onidae (Rosy Magelona) Magelona rosea Family Maldanidae (Bamboo Worms) Clymenella torquata Clymenella zonalis Family Nephtyidae (Red-lined Worms) Nephtys bucera Nephtys incisa Nepthys paradoxa Nephtys picta Family Nereidae (Sand/Clam Worms) Nereis zonata Family Orbiniidae (Orbinid Worms) Scoloplos robustus Family Oweniidae Owenia fusiformis Family Paraonidae (Paraonid Worms) Aricidea jefferysii Paraonis fulgens Family Phyllodocidae (Paddle Worms) Eteone trilineata Eumida sanguinea Phyllodoce arenae Phyllodoce maculata _159- Family Pilargidae Sigambra tentaculata Family Polygordiidae (Archiannelid) Polygordius appendiculatus Family Polynoidae (Scale Worms) Antinoella sarsi Harmothoe imbricata L6plldonotus squamotus Family Sabellaridae (Sand Builder Worms) Sabellaria vulgaris Family Sabellidae (Fah Worms) Potamilla reniformis Family Scalibregmidae (T-headed Worm) Scalibregma inflatum Family Serpulidae Hydroides dianthus Family Sigalionidae (Burrowing Scale Worms) Pholoe minuta Sigalion arenicola Family Spionidae (mud Worms) Laonice cirrata Polydora caeca Polydora websteri Prionospio heterobranchia Prionospio steenstrupi Prionospio tenuis Pygospio elegans Scolecolepides viridis, Spio multioculata Spiophanes bombyx Streblospio benedicti Family Syllidae .(Syllid-Worms) Autolytus cornutus Autolytus fasciatu.s Parapionosyllis longocirrata Syllides longocirrata Family Terebellidae (Terebellid Worms) Polycirrus eximus Unknown Polychaetes Polychaete C PHYLUM ARTHROPODA Class Crustacea Subclass Cephalocarida Hutchinsoniella macracantha Subclass Copepoda Calanoid Copepod Subclass Malacostraca Order Amphipoda Suborder Caprellidea (Skeleton Shrimp) Family Caprellidae Aeginina longicornis Suborder Gammaridea Family Ampeliscidae Ampelisca abdita Ampelisca verrilli -160- Family Aoridae Pseudunciola obliquua Unciola irrorata Unciola serrata Family Corophiidae Corophium acherusicum Corophium crassicorne Erichthonius brasiliensis Family Haustoriidae Acanthohaustorius millsi Bathyporeia quoddyensis Parahaustorius attentuatus Protohaustorius deichmanne Protohaustorius wigleyi Family Ischyroceridae Ischyrocerus anguipes Family Lysianassidae Psammonyx nobilis Family Phoxocephalidae Paraphoxus spinosus Phoxocephalus holbolli Trichophoxus epistomus Family Pleustidae Stenopleutes gracilis Order Cumacea Family Diastylidae oxyurostylis smithi Order Decapoda Family Cancridae (Rock Crab) Cancer irroratus (Rock Crab) Family Majiidae (Spider Crabs) Libinia emarginata Family Paguridae (Hermit Crabs) Paguru,s longicarpus Pagurus pollicaris Family Pinnotheridae (Commensal Crabs) Pinnotheres maculatus Family Portunidae (Swimming Crabs) Ovalipes ocellatus (Lady Crab) Family.Xanthidae (Mud Crabs) Rhithropanopeus harrissi Crab zoea order Isopoda Family Aegidae .Aega psora Family Idoteidae Chirodotea tuftsi Idotea phosphorea Order Mysidacea (Mysid Shrimp) Family Mysidae Praunus flexuosus order Tanaidacea (Tanaid Isopods) Family Paratanidae Leptochelia savignyi Leptognatha c.aeca OM PHYLUM ASCHELMINTHES (Round Worms) Class Nematoda Nematode Nematode B Nematode C Nematode D PHYLUM CHAETOGNATHA (Arrow Worms) Sagitta sp. PHYLUM dN%bARIA Class Anthozoa (Sea Anemones') Family Cerianthidae Ceriantheopsis americanus (Ceriantharian Anemone) PHYLUM ECHINODERMATA Class Echinoidea (Sea Urchins and Sand Dollars) Family Arbaciidae Arbacia punctulata (Purple Sea Urchin)- Class Stelleroidea (Brittle and Sea Stars) Family Amphiuridae Axiognathus squamatus (Dwarf Brittle Star) Family Asteriidae . Asterias forbesi (Forbes' Aster.ias) PHYLUM MOLLUSCA Class Bivalvia Family Arcidae Anadara transversa (Transverse Ark) Family Lyonsiidae Lyonsia arenosa Family Mactridae Mulinia. lateralis (Little Surf Clam) Spisula solidissima (Surf Clam) Family Myidae Mya arenaria. (Soft-shelled Clam) Family Mytilidae Crenella glandula Musculus discors Mytilus edulis (Blue Mussel) Family Nuculanidae Yoldia. limatula (File Yoldia) Family Nuculidae NucUla proxima (Near Nut Shell) Family Ostreidae Crassostrea. virginica (Eastern American,Oyster) Family Pandoridae Pandora gouldiana (Gould's Pandora) Family Petricolidae Petricola pholadiformis (False Angel Wing) Family Solenidae Ensis directus (Common Razor Clam)' Family Tellinidae Macoma. tenta. Tellina agilis Family Veneridae Mercenaria mercenaria (Quahog) Class Gastropoda, (Snails) Family Calyptraeidae Crepidula fornicata (Common Slipper Shell) Crepidula plana. (Flat Slipper Shell) _162- Family Columbellidae Anachis avara (Dove Shell) Mitrella lunata (Crescent Mitrella) Family Melongenidae Busycon canaliculatum (Channeled Whelk) Family Nassariidae Nassarius trivittatus (New England Dog Whelk) Family Natacidae Lunatia heros (Northern Moon Snail) Family Pyramidellidae (Pyramid Shells) I Turbonilla sp. Family Rissoidae Rissoa sp- YLUM PHORONIDA (Phoronid Worms) Phoronis architecta PHYLUM PORIFERA (Sponges) Family Haliclonidae I Haliclona canaliculata (Sulpher Sponge) PHYLUM RHYNCHOCOELA (Nemertean Worms) Family Lineidae Cerebratulus sp. Family Tubulanidae Tubulanus pellucidus -163- TABLE 17. Station numbers for Region IX r <26280> <60116>. <60112> <60108> 359 360 361 <26270> <60118> <60114> <60110> 362 363 364 <26260> <60120> <60116> <60112> 365 366 367 <26250> <60122> <60118> <60114> 368 369 370 <26240> <.60124> <60120> <60116> 371 372 373 <26230> <601 26> <60122> <60118> <60114> 374 375 376 377 <262.20> <60124> <60120> <60116> 378 379 380 <26210> <60126> <60122> <60118> 381 382 .383 <26200> <60128> <60124> <60120> 384 385 386 <26190> <60130> .<60126> <60122> 387 388 389 <26180> <60128> <60124> <60120> 390 39.1 392 <26170> <60130> <60126> <60122> 393 394 395 <26160> <60128> <60124> 396 397 <26150> <60130> <60126> 398 399 I r R LLE 18. Total species list for Region Ix I YLUM ANNELIDA 'Class Oligochaeta Family Tubificidae Clitellio arenarius Unknown Oligochaetes Class Polychaeta (Bristle Worms) .Family Ampharetidae (Ampharetid Worms) Ampharete arctica Asabellides oculata Schistocomus sp. Family Arabellidae (Arabellid Thread Worms) Arabella iricolor Driloneris longa amily Capitellidae (Capitellid Thread Worms) Capitella capitata Mediomastus ambiseta Family Cirritulidae (Fringed Worms), Cirratulis cirratus Cirratulis grandis Cossura longocirrata Family Eunicida (Red-gilled Worms) Marphysa belli Family Flabelligeridae (Flabelligerid Worms) 'Plabelligera affinis Pherusa affinis Family Glyceridae (Blood Worms) Glycera americana Glycera dibranchiata Family Goniadidae (Chevron Worms) Goniadella gracilis Family Hesionidae (Swift-footed.Worms) Podarke obscura Family Lumbrineridae (Lumbrinerid Thread Worms) Lumbrineris acutus Lumbrineris fragilis Lumbrineris impatiens Lumbrineris tenuis Family Magelonidae (Rosy Magelona) Magelona rosea Family Maldanidae (Bamboo Worms) Clymenella torquata Clymenella zonalis Family Nephtyidae (Red-lined Worms) Nephtys bucera Nepthys caeca Nepthys discors Nephtys incisa Nephtys picta Family Nereidae (Sand/Clam Worms) Lycastopsis pontica Nereis grayi Nereis succinea Nereis virens Nereis zonata Family.orbiniidae (Orbinid Worms) Scoloplos fragilis Scoloplos robustus -165- Family Oweniidae Owenia fusiformis Jr Family Paraonidae (Paraonid Worms) Aricidea jefferysii Paraonis fulgens Family Pectinariidae (Trumpet Worm) Pectinaria gouldii Family Phyllodocidae (Paddle Worms) EE6one heteropoda Eteone lactea Eteone longa Eteone trilineata Eumida sanguinea Phyllodoce arenae Phyllodoce maculata Family Polygordiidae (Archiannelid) Polygordius appendiculatus Family Polynoidae (Scale Worms) Antinoella sarsi Harmothoe imbricata Harmothoe nodosa Lepidonotus squamotus Family Sabellaridae (Sand Builder Worms) Sabellaria vulgaris Family Sabellidae (Fan Worms) Potamilla neglecta Potamilla reniformis Family Scalibregmidae (T-headed Worm) Scalibregma inflatum Family Sigalionidae (Burrowing Scale Worms) Pholoe minuta Family Spionidae (Mud Worms) .Polydora caeca Polydora commensalis Polydora hamata Polydora'ligni Polydora websteri Prionospio heterobranchia Prionospio steenstrupi Prionospio tenuis Pygospio-elegans Scolecolepides viridis Scoleiepis squamata Splophanes bombyx Streblospio benedicti Family Syllidae (Syllid Worms) Autolytus cornutus Autolytus fasciatus Eusyllis blomstrandi Exogone dispar Parapionosyllis longocirrata Syllides longocirrata Syllides setosa -166- Family@Terebellidae (Terebellid Worms) Amphitrite ornata Loimia medusa Polycirrus eximus Polycirrus sp. Unknown Polychaetes Polychaete B Polychaete C YLUR ARtHROPODA Class Crustacea Subclass Copepoda Calanoid Copepod Subclass Malacostraca Order Amphipoda Suborder Caprellidea (Skeleton Shrimp) Family Caprellidae Aeginina longicornis Caprella linearis Suborder Gammaridea Family Ampeliscidae Ampelisca abdita Ampelisca vadorum Ampelisca verrilli Family Aoridae Leptocheirus pinguis Unciola irrorata Unciola serrata Family Corophiidae Corophium acherusicum Corophium crassicorne Corophium insidiosum Erichthonius brasiliensis Family Haustoriidae Acanthohaustorius millsi Bathyporeia quoddyensis P*rotohaustorius wigleyi Family Ischyroceridae Ischyrocerus anguipes Family Lysianassidae Lysianopsis alba Psammonyx nobilis Family Melitidae Maera danae Family Phoxocephalidae Paraphoxus spinosus Phoxocephalus holbolli Trichophoxus epistomus Family Pleustidae Stenopleutes gracilis Family Podoceridae Dulichia porrecta Dulichia sp. Family Stenothoidae Parametopella cypris Stenothoe minuta Order Decapoda Family Callianassidae (Mud Sh imp) Callianassa atlantica Family Cancridae (Rock Cliab) Cancer irroratus (Rock C ab) Family Crangonidae Crangon septemspinosa (Sand Shrimp) Family Majiidae (Spider Crabs) Libinia dubia Libinia emarginata Libinia sp. Family Paguridae (Hermit Crabs) Pagurus longicarpus Pa�urus pollicaris ;Vamily Palaemonidae (Shore Shrimps) Palaemonetes sp. Family Pinnotheridae (.Pommensal Crabs) Pinnixa sp. Pinnotheres maculatus Family Portunidae (Swimming Crabs) Ovalipes ocellatus (Lady Crab) Crab megalopa Crab zoea Order Isopoda Family Anthuridae Cyathura burbancki Cyathura polita Family Idoteidae Chirodotea coeca Erichsoniella filiformis Idotea phosphorea Order Mysidacea (Mysid Shrimp) Family Mysidae Mysidopsis bigelowi Praunus flexuosus Order Stomatopoda Family Squillidae Squilla empusa (Mantis shrimp) O.rder Tanaidacea (Tanaid Isopods) Family Paratanidae Leptochelia savignyi Leptognatha caeca Subclass Ostracoda Ostracod Class Pantopoda (Sea Spiders) .Family Ammotheidae Achelia spinosa Family Nymphonidae Nymphon macrum Family Phoxichilidiidae. Anoplodactylus lentus Family Tanystylidae Tanystylum orbiculare PHYLUM ASCHELMINTHES (Round Worms) .Class Nematoda Nematode A Nematode B Nematode C Nematode D IHYLUM CNIDARIA Class Anthozoa (Sea Anemones) Family Actinidae Tealia felina (Northern Red Anemone) Family Cerianthidae Ceriantheopsis americanus (Ceriantharian Anemone) Family Edwardsiidae Eft6tdsia elegans (Burrowing Anemone) Vagesia lineata Family Sagartidae Actinothoe modesta (Burrowing Anemone) PHYLUM ECHINODERMATA Class Holothuroidea (Sea Cucumbers) Family Phyllophoridae Pentamera pulcherima Class Stelleroidea (Brittle and Sea Stars) Family Amphiuridae Axiognathus squamatus (Dwarf Brittle Star) Family Asteriidae Asterias forbesi (Forbes' Asterias) Family Echinasteridae Henrica sanguinolenta (Blood Star) V YLUM MOLLUSCA ass Bivalvia Family Anomiidae AnomiA aculeata Family Arcidae Anadara transversa (Transverse Ark) Family Astartidae Astarte castanea (Chestnut Astarte) Astarte undata Family Cardiidae Cerastoderma pinnulatum (Little Cockle) Family Carditidae Cardita borealis Family Hiatellidae Hiatella striata Family Lyonsiidae Lyonsia arenosa Lyonsia, hyalina (Glassy Lyonsia) Family Myidae Mya arenaria (Soft-shelled Clam) Family Mytilidae Crenella glandula Modiolus demissus (Ribbed Mussel) Musculus discors Mytilus edulis (Blue Mussel) Family Nuculanidae Yoldia limatula (File Yoldia) Family Nuculidae Nucula proxima (Near Nut Shell) Family Ostreidae Crassostrea virginica (Eastern American Oyster) Family Pandoridae Pandora gouldiana (Gould's Pandora) Family Petricolidae Petricola pholadiformis (False Angel Wing) Family Solemyacidae Solemya velum (veiled Clam) -169- Family Solenidae Ensis directus (Common Razor Clam) Family Tellinidae Macoma calcarea (Chalky Macoma) Macoma tenta Tellina agilis Family Veneridae Pitar morrhuana (False Quahog) Class Ga8tropoda (Snails) Family Calyptraeidae Crepidula fornicata (Common Slipper Shell) Crepidula Plana (Flat Slipper Shell) Family Columbellidae Anachis avara (Dove Shell) Mitrella lunata (Crescent Mitrella) Mitrella zonalis Family Corambidae Corambella depressa Family Hydrobiidae . Hydrobia minuta (Swamp Hydrobia) Family Lamellidoridae Onchidoris muricata (Nudibranch) Family Melongenidae. Busycon canaliculatum (Channeled Whelk) Busycon carica (Knobbed Whelk) Family Nassariidae Nassarius trivittatus (New England Dog Whelk) .Family Natacidae Lunatia heros (Northern'Moon Snail) Polinices duplicata .,(Lobed Moon Snail) Family Pyramidellidae (Pyramid Shells) Odostomia sp. Turbonilla sp. Family Retusidae Retusa obtusa Family Rissoidae Rissoa sp. Family Turridae Balcis sp. Class Polyplacophora (Chitons) Family C.haetopleuridae Chaetopleura apiculata PHYLUM PHORONIDA (Phoronid Worms) Phoronis architecta PHYLUM RHYNCHOCOELA (Nemertean Worms) Family Tubulanidae Tubulanus pellucidus -170- IABLE 19. Station numbers for Region X <26140> <60132> <60128> 400 401 <26130> <60134> <60130> 402. 403 <26120> <60132> 404 <26110> <60134> 405 <26100> <60136> 406 <26090> .<60138> <60134> 407 408 <26080> <60136> 409 <26070> <60138> 410 .<26050> <60138> 411 <26040> <60138> 412 <36030> <60140> 413 TABLE 20. Total species list for Region X PHYLUM ANNELIDA Class Oligochaeta Family Tubificidae Clitellio arenarius Unknown Oligochaetes Class Polydhaeta (Bristle Worms) Family Ampharetidae (Ampharetid Worms) Ampharete arctica Family Arabellidae (Arabellid Thread Worms) Driloneris longa Family Capitellidae (Capitellid Thread Worms) Capitella capitata Mediomastus ambiseta Family Chaetopteridae (Glassy Tube Worms) Spiochaetopterus oculatus Family Cirritulidae (Fringed Worms) Cirratulis cirratus Cirratulis grandis Dodecaceria coralii Tharyx acutus Family Dorvilleidae (Four-eyed Dorvillids) Stauronereis caecus Family Eunicida (Red-gilled Worms) Marphysa belli Family Flabelligeridae (Flabelligerid Worms) Pherusa affinis Family Glyceridae (Blood Worms) Glycera americana Glycera capitata Family Lumbrineridae (Lumbrinerid Thread Worms) Lumbrineris brevipes Lumbrineris fragilis Lumbrineris impatiens Lumbrineris tenuis Family Magelonidae (Rosy Magelona)@ Magelona rosea Family Maldanidae (Bamboo Worms) Asychis elongata Clymenella torquata Clymenella zonalis Family Nephtyidae (Red-lined Worms) Nephtys bucera Nepthys discors Nephtys incisa Nepthys paradoxa Nephtys picta Family Nereidae (Sand/Clam Worms), Nereis grayi Nereis succinea Nereis virens Nereis zonata Family Onuphidae APlumed Worms) Diopatra cuprea Family Orbiniidae (Orbinid Worms) Scoloplos fragilis Scoloplos robustus 172- Family Paraonidae (Paraonid Worms) Aricidea jefferysii Paraonis fulgens ParaPnis lyra Family Pectinariidae (Trumpet Worm) Pectinaria gouldii Family Phyllodocidae (Paddle Worms) Eteone heteropoda Eteone longa Eumida sanguinea Phyllodoce arenae Phyllodoce maculata Family Polygordiidae (Archiannelid) Polygordius appendiculatus Family Polynoidae (Scale Worms) Harmothoe imbricata Harmothoe nodosa Lepidonotus squamotus Family Sabellidae (Fan Worms) Potamilla neglecta potamilla reniformis Family Scalibregmidae (T-headed Worm) Scalibregma inflatum Family Sigalionidae (Burrowing Scale Worms) Pholoe minuta Family Spionidae (Mud Worms) Polydora caeca Polydora websteri Prionospio heterobranchia Prionospio steenstrupi Prionospio tenuis Pygospio elegans Scolecolepides viridis Spiophanes bombyx Streblospio benedicti Family Syllidae (Syllid Worms) Autolytus cornutus Autolytus fasciatus Autolytus prismaticus Eusyllis lamelligera Exogone dispar Exogone verugera Parapionosyllis longocirrata Syllides setosa Family Terebellidae (Terebellid Worms) Pista sp. Polycirrus eximus Polycirrus sp. Terebellides stroemi -173- Family NuCulidae Nucula proxima (Near Nut Shell) Family Pandoridae Pandora gouldiana (Gould's Pandora) Family Solemyacidae Solemya velum AVeiled Clam) Family Solenidae Ensis directus (Common Razor Clam) PAmily' Tellinidae Macoma calcarea (Chalky Macoma) Macoma tenta Tellina agilis Family Veneridae Me'rcenaria mercenaria (Quahog) Pitar morrhuana (False Quahog) Class Gastropoda. (Snails) Family Atyidae Haminoea solitaria Family Calyptraeidae Crepidula fornicata (Common Slipper Shell) Crepidula plana (Flat Slipper Shell) Family Cerithiidae Seila adamsii (Wood Screw Shell) Family Columbellidae Anachis avara (Dove Shell) Mitrella lunata (Crescent Mitrella) Family Hydrobia Hydrobia minuta Family Lacunidae Lacuna vincta (Chink Shell) Family Melongenidae Busycon canaliculatum (Channeled Whelk) Family Muricidae Urosalpinx.cinerea Family Nassariidae Nassarius trivittatus (New England Dog Whelk) Family Natacidae -Lunatia heros (Northern Moon Snail) Polinices duplicata (Lobed Moon Snail) Family Pyramidellidae (Pyramid Shells) Odostomia sp. Turbonilla sp. Family Rissoidae Rissoa sp. Family Scaphandridae Scaphander punctorostriatus Family Turridae Balcis sp. Class Polyplacophora (Chitons) Family Chaetopleuridae Chaetopleura apiculAta PHYLUM PHORONIDA (Phoronid Worms) Phoronis architecta PHYLUM PORIFERA (Sponges) Family Clionidae Cliona sp. (Boring Sponges) Family Microcionidae Microciona sp. (Red Beard Sponge) -176- Fam'ily Portunidae (Swimming Crabs) Ovalipes ocellatus (Lady Crab) Crab megalopa Order Isopoda Family Anthuridae Cyathura polita Family Idoteidae Chirodotea tuftsi grichsoniella filiformis Idotea phosphorea Order Tanaidacea (Tanaid Isopods) Family Paratanidae Leptognatha caeca Subclass Ostracoda Ostracod Class Pantopoda (Sea Spiders) Family Tanystylidae Tanystylum orbiculare PHYLUM ASCHELMINTHES (Round Worms) Class Nematoda Nematode A Nematode B YLUM CNIDARIA Class Anthozoa (Sea Anemones) Family Edwardsiidae Edwardsia elegans (Burrowing Anemone) V YLUM ECHINODERMATA ass Echinoidea (Sea Urchins and Sand Dollars). Family Arbaciidae Arbacia punctulata (Purple Sea Urchin) Family Echinarachnidae Echinarachnius parma (Sand Dollar) Class Stelleroidea (Brittle and Sea Stars). Family Amphiuridae Axiognathus squamatus (Dwarf Brittle Star) Family Asteriidae Asterias forbesi (Forbes' Asterias) SYLUM MOLLUSCA Class Bivalvia Family Arcidae Anadara transversa (Transverse Ark) Family Astartidae Astarte castanea (Chestnut Astarte) Astarte undata Family Cardiidae Cerastoderma pinnulatum (Little Cockle) Family Carditidae Cardita borealis Family Lyonsiidae Lyonsia arenosa Lyonsia hyalina (Glassy Lyonsia) Family Mactridae Mulinia lateralis (Little Surf Clam) Spisula solidissima (Surf Clam) Family Mytilidae Crenella glandula odiolus modiolus (Horse Mussel) Musculus discors M Mytilus edulis (Blue Mussel) -1757 PHYLUM RHYNCHOCOELA (Nemertean Worms) Family Tubulanidae Tubulanus pellucidus IPHYLUM* RHYNCHOCOELA (Nemertean Worms) Family Tubulanidae Tubulanus pellucidus -177- I I I I I i I i I i I I I I I I I I I I I I I I I I 111101111111111al 3 6668 14100 9441 1