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Chesapeake Science最新文献

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Seasonality, abundance, and diversity of fishes in the Piankatank River, Virginia (1970–1971) 弗吉尼亚州皮亚卡坦克河鱼类的季节性、丰度和多样性(1970-1971)
Chesapeake Science Pub Date : 1976-12-01 DOI: 10.2307/1350511
J. Merriner, W. H. Kriete, G. C. Grant
{"title":"Seasonality, abundance, and diversity of fishes in the Piankatank River, Virginia (1970–1971)","authors":"J. Merriner, W. H. Kriete, G. C. Grant","doi":"10.2307/1350511","DOIUrl":"https://doi.org/10.2307/1350511","url":null,"abstract":"Bimonthly trawl catches at seven stations in the Piankatank River, Virginia, for the period July 1970 to May 1971 included 3417 specimens representing 41 species. Numeric and species abundance in the river reflected a seasonal pattern of species specific migrations with peak numerical abundance in September and a decline in marine fishes during winter.","PeriodicalId":106819,"journal":{"name":"Chesapeake Science","volume":"155 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132814602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
The distribution ofJuncus roemerianus in the salt marshes of North America 标题北美盐沼中黄菖蒲的分布
Chesapeake Science Pub Date : 1976-12-01 DOI: 10.2307/1350516
L. N. Eleuterius
{"title":"The distribution ofJuncus roemerianus in the salt marshes of North America","authors":"L. N. Eleuterius","doi":"10.2307/1350516","DOIUrl":"https://doi.org/10.2307/1350516","url":null,"abstract":"Although scattered individuals ofJuncus roemerianus Scheele may be found northward in New Jersey, Long Island, New York, Connecticut and southward along the Laguna Madre in Texas, Mexico and on the Caribbean islands, the species is most prevalent along the south Atlantic and Gulf coasts of the eastern United States. Here there are approximately 3,174,333 hectares of salt marsh of which 72.9% occur on the Gulf coast and 27.1% on the Atlantic coast.Juncus roemerianus dominates 20.7% of the marsh in the south Atlantic states and 7.3% of the Gulf coast marshes, but covers more marsh area on the Gulf coast (170,067 hectares) than on the Atlantic coast (149,316 hectares). Thus, there are approximately 320,000 hectares of salt marsh dominated byJ. roemerianus in North America.","PeriodicalId":106819,"journal":{"name":"Chesapeake Science","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123816186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 71
Zooplankton of lower Narragansett Bay, 1972–1973 纳拉甘西特湾下游的浮游动物，1972-1973
Chesapeake Science Pub Date : 1976-12-01 DOI: 10.2307/1350513
Elsie E. Hulsizer
{"title":"Zooplankton of lower Narragansett Bay, 1972–1973","authors":"Elsie E. Hulsizer","doi":"10.2307/1350513","DOIUrl":"https://doi.org/10.2307/1350513","url":null,"abstract":"From January 1972 through December 1973 weekly zooplankton samples were taken in lower Narragansett Bay in connection with a phytoplankton study. Fifty percent (by numbers) of the zooplankton were calanoid copepods, the dominant species beingAcartia clausi. In 1973, individuals of summer-fall zooplankton species were much more numerous than in 1972, butAcartia clausi, the dominant winter-spring species, was equally abundant both years. Release of grazing pressure by zooplankton did not appear to trigger the winter-spring flowering of 1973, but a definite relationship was seen between ctenophores, herbivorous zooplankton and phytoplankton in the summer and fall of 1973. Moderate numbers of zooplankton were present in the winter around the time of the phytoplankton bloom, but the major peaks of biomass and numbers occurred in the spring when water temperatures were on the increase. Zooplankton biomass dropped to near zero in late summer and fall.","PeriodicalId":106819,"journal":{"name":"Chesapeake Science","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124209477","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 48
Meiofauna-macrofauna interactions: I. Sand beach meiofauna affected by maturing Limulus eggs 小型动物与大型动物的相互作用:1 .受成熟鲎卵影响的沙滩小型动物
Chesapeake Science Pub Date : 1976-12-01 DOI: 10.2307/1350519
W. D. Hummon, J. Fleeger, M. Hummon
{"title":"Meiofauna-macrofauna interactions: I. Sand beach meiofauna affected by maturing Limulus eggs","authors":"W. D. Hummon, J. Fleeger, M. Hummon","doi":"10.2307/1350519","DOIUrl":"https://doi.org/10.2307/1350519","url":null,"abstract":"Differential aggregation of meiofauna was associated with the presence of maturingLimulus eggs in a Roosevelt Inlet, Delaware, beach. Nematodes, gastrotrichs, oligochaetes and rotifers increased, whereas harpacticoid copepods, tardigrades and megalops larvae decreased; ostracods, turbellarians and nauplius larvae remained constant. Increase of Gastrotricha was attributable to but one of the several species present.","PeriodicalId":106819,"journal":{"name":"Chesapeake Science","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124733772","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 27
Industrial glass beads in beach sand from Chesapeake Bay, Maryland 马里兰州切萨皮克湾沙滩上的工业玻璃珠
Chesapeake Science Pub Date : 1976-12-01 DOI: 10.2307/1350526
R. Finkelman, C. Milton, R. R. Larson
{"title":"Industrial glass beads in beach sand from Chesapeake Bay, Maryland","authors":"R. Finkelman, C. Milton, R. R. Larson","doi":"10.2307/1350526","DOIUrl":"https://doi.org/10.2307/1350526","url":null,"abstract":"","PeriodicalId":106819,"journal":{"name":"Chesapeake Science","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114189929","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Predation of the razor clamEnsis directus by the nemertean wormCerebratulus lacteus 胡刀蛤被nemertea wormCerebratulus lacteus捕食
Chesapeake Science Pub Date : 1976-12-01 DOI: 10.2307/1350520
J. McDermott
{"title":"Predation of the razor clamEnsis directus by the nemertean wormCerebratulus lacteus","authors":"J. McDermott","doi":"10.2307/1350520","DOIUrl":"https://doi.org/10.2307/1350520","url":null,"abstract":"The nemertean wormCerebratulus lacteus feeds on the razor clamEnsis directus by entering the burrow from below and engulfing its anterior end. The clam is forced to project much of its body above the surface (sometimes leaving the burrow), thus becoming subject to surface predators and desiccation. This predation was observed from New Jersey to North Carolina.","PeriodicalId":106819,"journal":{"name":"Chesapeake Science","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130431819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 26
Progress report: Marine Flora and Fauna 进度报告:海洋动植物
Chesapeake Science Pub Date : 1976-12-01 DOI: 10.2307/1350527
M. R. Carriker
{"title":"Progress report: Marine Flora and Fauna","authors":"M. R. Carriker","doi":"10.2307/1350527","DOIUrl":"https://doi.org/10.2307/1350527","url":null,"abstract":"","PeriodicalId":106819,"journal":{"name":"Chesapeake Science","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126829894","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Effects of Tropical Storm Agnes on soft-bottom macrobenthic communities of the James and York estuaries and the lower Chesapeake Bay 热带风暴艾格尼丝对詹姆斯和约克河口及切萨皮克湾下游软底大型底栖生物群落的影响
Chesapeake Science Pub Date : 1976-12-01 DOI: 10.2307/1350512
D. Boesch, R. Díaz, R. Virnstein
{"title":"Effects of Tropical Storm Agnes on soft-bottom macrobenthic communities of the James and York estuaries and the lower Chesapeake Bay","authors":"D. Boesch, R. Díaz, R. Virnstein","doi":"10.2307/1350512","DOIUrl":"https://doi.org/10.2307/1350512","url":null,"abstract":"Macrobenthos was studied at 58 previously surveyed stations following the drastic salinity reductions caused by Tropical Storm Agnes. Effects were greatest in the lower, polyhaline portions of the James and York estuaries, where many abundant species were eliminated from shallow bottoms due to the usually low salinities and several species were eliminated or reduced in abundance on deeper bottoms due to the somewhat reduced salinity but, more importantly, to low oxygen concentrations resulting to strong density stratification of the water masses. Irruptions of opportunistic species followed these perturbations and the deep mud bottom community in the lower York estuary had not recovered 2 1/2 years after the storm. The primary alteration to usually mesohaline communities was an infusion of species more abundant in oligohaline and/or shallow brackish habitats. Communities in usually, oligohaline or tidal freshwater reaches of the James and York estuaries and those at the mouth of the bay were hardly affected by Agnes.","PeriodicalId":106819,"journal":{"name":"Chesapeake Science","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128566327","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 127
A taxonomic study of recently introduced populations of the banded darter,Etheostoma zonale (Cope), in the Susquehanna river 萨斯奎哈纳河新近引进的带状梭鲈种群的分类学研究
Chesapeake Science Pub Date : 1976-12-01 DOI: 10.2307/1350522
Robert F. Denoncourt, J. R. Stauffer
{"title":"A taxonomic study of recently introduced populations of the banded darter,Etheostoma zonale (Cope), in the Susquehanna river","authors":"Robert F. Denoncourt, J. R. Stauffer","doi":"10.2307/1350522","DOIUrl":"https://doi.org/10.2307/1350522","url":null,"abstract":"","PeriodicalId":106819,"journal":{"name":"Chesapeake Science","volume":"144 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116077470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
New records ofCyathura carinata (Krøyer) (Isopoda, Crustacea) in Danish waters 丹麦海域cyathura carinata (Krøyer)(等足目，甲壳纲)新记录
Chesapeake Science Pub Date : 1976-12-01 DOI: 10.2307/1350518
V. H. Jacobsen
{"title":"New records ofCyathura carinata (Krøyer) (Isopoda, Crustacea) in Danish waters","authors":"V. H. Jacobsen","doi":"10.2307/1350518","DOIUrl":"https://doi.org/10.2307/1350518","url":null,"abstract":"Cyathura carinata (Kroyer) has been found in western Denmark, separated from the biotope known in north-west Europe. Likewise there are records thatCyathura has been collected by pelagic sampling in Denmark.","PeriodicalId":106819,"journal":{"name":"Chesapeake Science","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1976-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128957257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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