Species Profiles: Life Histories and Environmental Requirements of Coastal Fishes and Invertebrates. North Atlantic American Eel.
Species profiles are literature summaries of taxonomy, life history, and environmental requirements of coastal fishes and aquatic invertebrates. They are prepared to assist with impact assessments. The American eel is an ecologically and economically important catadromous species that occupies fresh...
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ftdtic:ADA189643 2023-05-15T17:34:53+02:00 Species Profiles: Life Histories and Environmental Requirements of Coastal Fishes and Invertebrates. North Atlantic American Eel. Facey, Douglas E. Van Den Avyle, Michael J. GEORGIA UNIV ATHENS DEPT OF ZOOLOGY 1987-08 text/html http://www.dtic.mil/docs/citations/ADA189643 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA189643 en eng http://www.dtic.mil/docs/citations/ADA189643 APPROVED FOR PUBLIC RELEASE DTIC AND NTIS Biological Oceanography *EELS *MARINE BIOLOGY ADULTS ANIMAL MIGRATION AQUATIC ORGANISMS BAYS BRACKISH WATER COASTAL REGIONS CURRENTS ENVIRONMENTS ESTUARIES FISHES FRESH WATER HISTORY IMPACT LARVAE LIFE CYCLES LIFE(BIOLOGY) LIMITATIONS MIGRATION OCEAN CURRENTS OCEANS OPEN WATER PATTERNS PROFILES REQUIREMENTS RIVERS SALINITY SARGASSO SEA STREAMS SWIMMING TAXONOMY TEMPERATURE TEST AND EVALUATION TOLERANCE TRANSPORT WATER FLOW Text 1987 ftdtic 2016-02-21T18:53:32Z Species profiles are literature summaries of taxonomy, life history, and environmental requirements of coastal fishes and aquatic invertebrates. They are prepared to assist with impact assessments. The American eel is an ecologically and economically important catadromous species that occupies freshwater streams, rivers, brackish estuaries, and the open ocean during various phases of its life cycle. Adult eels apparently spawn in the Sargasso Sea, and ocean currents transport the developing larvae northward until the young metamorphose into juveniles capable of swimming shoreward and moving upstream into coastal areas, estuaries, and rivers. Developing eels commonly remain in freshwater or brackish areas for 10-12 years before migrating to spawn. American eels tend to be bottom-dwellers and feed on a variety of fauna that occupy the same habitats. Eels occupy areas having wide ranges of temperature, salinity, and other environmental factors, suggesting broad tolerance limits, but few studies of requirements have been reported. Salinity patterns and water currents created by river discharges into coastal areas apparently provide the gradient that cues shoreward of juvenile eels. Alteration of patterns of freshwater inflows to estuaries and bays could affect upstream migrations. Keywords: Estuaries, Fisheries, Life cycles, Growth(Physiology), Contaminants, Animal migrations, Anguilla rostrata, Environmental requirements, Reproduction(Physiology). Text North Atlantic Defense Technical Information Center: DTIC Technical Reports database |
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Defense Technical Information Center: DTIC Technical Reports database |
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English |
topic |
Biological Oceanography *EELS *MARINE BIOLOGY ADULTS ANIMAL MIGRATION AQUATIC ORGANISMS BAYS BRACKISH WATER COASTAL REGIONS CURRENTS ENVIRONMENTS ESTUARIES FISHES FRESH WATER HISTORY IMPACT LARVAE LIFE CYCLES LIFE(BIOLOGY) LIMITATIONS MIGRATION OCEAN CURRENTS OCEANS OPEN WATER PATTERNS PROFILES REQUIREMENTS RIVERS SALINITY SARGASSO SEA STREAMS SWIMMING TAXONOMY TEMPERATURE TEST AND EVALUATION TOLERANCE TRANSPORT WATER FLOW |
spellingShingle |
Biological Oceanography *EELS *MARINE BIOLOGY ADULTS ANIMAL MIGRATION AQUATIC ORGANISMS BAYS BRACKISH WATER COASTAL REGIONS CURRENTS ENVIRONMENTS ESTUARIES FISHES FRESH WATER HISTORY IMPACT LARVAE LIFE CYCLES LIFE(BIOLOGY) LIMITATIONS MIGRATION OCEAN CURRENTS OCEANS OPEN WATER PATTERNS PROFILES REQUIREMENTS RIVERS SALINITY SARGASSO SEA STREAMS SWIMMING TAXONOMY TEMPERATURE TEST AND EVALUATION TOLERANCE TRANSPORT WATER FLOW Facey, Douglas E. Van Den Avyle, Michael J. Species Profiles: Life Histories and Environmental Requirements of Coastal Fishes and Invertebrates. North Atlantic American Eel. |
topic_facet |
Biological Oceanography *EELS *MARINE BIOLOGY ADULTS ANIMAL MIGRATION AQUATIC ORGANISMS BAYS BRACKISH WATER COASTAL REGIONS CURRENTS ENVIRONMENTS ESTUARIES FISHES FRESH WATER HISTORY IMPACT LARVAE LIFE CYCLES LIFE(BIOLOGY) LIMITATIONS MIGRATION OCEAN CURRENTS OCEANS OPEN WATER PATTERNS PROFILES REQUIREMENTS RIVERS SALINITY SARGASSO SEA STREAMS SWIMMING TAXONOMY TEMPERATURE TEST AND EVALUATION TOLERANCE TRANSPORT WATER FLOW |
description |
Species profiles are literature summaries of taxonomy, life history, and environmental requirements of coastal fishes and aquatic invertebrates. They are prepared to assist with impact assessments. The American eel is an ecologically and economically important catadromous species that occupies freshwater streams, rivers, brackish estuaries, and the open ocean during various phases of its life cycle. Adult eels apparently spawn in the Sargasso Sea, and ocean currents transport the developing larvae northward until the young metamorphose into juveniles capable of swimming shoreward and moving upstream into coastal areas, estuaries, and rivers. Developing eels commonly remain in freshwater or brackish areas for 10-12 years before migrating to spawn. American eels tend to be bottom-dwellers and feed on a variety of fauna that occupy the same habitats. Eels occupy areas having wide ranges of temperature, salinity, and other environmental factors, suggesting broad tolerance limits, but few studies of requirements have been reported. Salinity patterns and water currents created by river discharges into coastal areas apparently provide the gradient that cues shoreward of juvenile eels. Alteration of patterns of freshwater inflows to estuaries and bays could affect upstream migrations. Keywords: Estuaries, Fisheries, Life cycles, Growth(Physiology), Contaminants, Animal migrations, Anguilla rostrata, Environmental requirements, Reproduction(Physiology). |
author2 |
GEORGIA UNIV ATHENS DEPT OF ZOOLOGY |
format |
Text |
author |
Facey, Douglas E. Van Den Avyle, Michael J. |
author_facet |
Facey, Douglas E. Van Den Avyle, Michael J. |
author_sort |
Facey, Douglas E. |
title |
Species Profiles: Life Histories and Environmental Requirements of Coastal Fishes and Invertebrates. North Atlantic American Eel. |
title_short |
Species Profiles: Life Histories and Environmental Requirements of Coastal Fishes and Invertebrates. North Atlantic American Eel. |
title_full |
Species Profiles: Life Histories and Environmental Requirements of Coastal Fishes and Invertebrates. North Atlantic American Eel. |
title_fullStr |
Species Profiles: Life Histories and Environmental Requirements of Coastal Fishes and Invertebrates. North Atlantic American Eel. |
title_full_unstemmed |
Species Profiles: Life Histories and Environmental Requirements of Coastal Fishes and Invertebrates. North Atlantic American Eel. |
title_sort |
species profiles: life histories and environmental requirements of coastal fishes and invertebrates. north atlantic american eel. |
publishDate |
1987 |
url |
http://www.dtic.mil/docs/citations/ADA189643 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA189643 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
DTIC AND NTIS |
op_relation |
http://www.dtic.mil/docs/citations/ADA189643 |
op_rights |
APPROVED FOR PUBLIC RELEASE |
_version_ |
1766133869639106560 |