Ecological Studies of Arctic Cod ( Boreogadus saida) in Beaufort Sea Coastal Waters, Alaska
Fish use of Beaufort Sea coastal waters was examined during summer and winter periods 1977–80. Arctic cod (Boreogadus saida) were abundant but their occurrence was highly variable. They accounted for 8–78% of all fish caught in Simpson Lagoon during two summers, and 0.4–100% of catches at various co...
Published in: | Canadian Journal of Fisheries and Aquatic Sciences |
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Canadian Science Publishing
1982
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Online Access: | http://dx.doi.org/10.1139/f82-057 http://www.nrcresearchpress.com/doi/pdf/10.1139/f82-057 |
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crcansciencepubl:10.1139/f82-057 2024-09-30T14:28:27+00:00 Ecological Studies of Arctic Cod ( Boreogadus saida) in Beaufort Sea Coastal Waters, Alaska Craig, P. C. Griffiths, W. B. Haldorson, L. McElderry, H. 1982 http://dx.doi.org/10.1139/f82-057 http://www.nrcresearchpress.com/doi/pdf/10.1139/f82-057 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Fisheries and Aquatic Sciences volume 39, issue 3, page 395-406 ISSN 0706-652X 1205-7533 journal-article 1982 crcansciencepubl https://doi.org/10.1139/f82-057 2024-09-05T04:11:16Z Fish use of Beaufort Sea coastal waters was examined during summer and winter periods 1977–80. Arctic cod (Boreogadus saida) were abundant but their occurrence was highly variable. They accounted for 8–78% of all fish caught in Simpson Lagoon during two summers, and 0.4–100% of catches at various coastal sites in winter. Arctic cod increased in abundance in the lagoon during late summer and some association was noted between their numbers and higher salinities but not temperature or turbidity. Some cod remained in shallow waters in early winter but deeper areas were used through the winter, and the highest catch rate was recorded 175 km offshore. Principal foods of the cod in nearshore waters were mysids (Mysis litoralis, M. relicta), amphipods (Onisimus glacialis), and copepods. The cod caught were generally small (60–170 mm) and young (ages 1–3). Most males matured at ages 2–3 and females at age 3. These size, age, and maturity characteristics indicate a life history strategy (r-selection) unlike that typified by many other arctic fish populations, particularly the freshwater and anadromous species which tend to be slow growing, late maturing and long-lived (K-selection).Key words: Arctic cod, Boreogadus saida; Beaufort Sea, distribution, life history strategy Article in Journal/Newspaper Arctic cod Arctic Beaufort Sea Boreogadus saida Alaska Copepods Canadian Science Publishing Arctic Canadian Journal of Fisheries and Aquatic Sciences 39 3 395 406 |
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Open Polar |
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Canadian Science Publishing |
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crcansciencepubl |
language |
English |
description |
Fish use of Beaufort Sea coastal waters was examined during summer and winter periods 1977–80. Arctic cod (Boreogadus saida) were abundant but their occurrence was highly variable. They accounted for 8–78% of all fish caught in Simpson Lagoon during two summers, and 0.4–100% of catches at various coastal sites in winter. Arctic cod increased in abundance in the lagoon during late summer and some association was noted between their numbers and higher salinities but not temperature or turbidity. Some cod remained in shallow waters in early winter but deeper areas were used through the winter, and the highest catch rate was recorded 175 km offshore. Principal foods of the cod in nearshore waters were mysids (Mysis litoralis, M. relicta), amphipods (Onisimus glacialis), and copepods. The cod caught were generally small (60–170 mm) and young (ages 1–3). Most males matured at ages 2–3 and females at age 3. These size, age, and maturity characteristics indicate a life history strategy (r-selection) unlike that typified by many other arctic fish populations, particularly the freshwater and anadromous species which tend to be slow growing, late maturing and long-lived (K-selection).Key words: Arctic cod, Boreogadus saida; Beaufort Sea, distribution, life history strategy |
format |
Article in Journal/Newspaper |
author |
Craig, P. C. Griffiths, W. B. Haldorson, L. McElderry, H. |
spellingShingle |
Craig, P. C. Griffiths, W. B. Haldorson, L. McElderry, H. Ecological Studies of Arctic Cod ( Boreogadus saida) in Beaufort Sea Coastal Waters, Alaska |
author_facet |
Craig, P. C. Griffiths, W. B. Haldorson, L. McElderry, H. |
author_sort |
Craig, P. C. |
title |
Ecological Studies of Arctic Cod ( Boreogadus saida) in Beaufort Sea Coastal Waters, Alaska |
title_short |
Ecological Studies of Arctic Cod ( Boreogadus saida) in Beaufort Sea Coastal Waters, Alaska |
title_full |
Ecological Studies of Arctic Cod ( Boreogadus saida) in Beaufort Sea Coastal Waters, Alaska |
title_fullStr |
Ecological Studies of Arctic Cod ( Boreogadus saida) in Beaufort Sea Coastal Waters, Alaska |
title_full_unstemmed |
Ecological Studies of Arctic Cod ( Boreogadus saida) in Beaufort Sea Coastal Waters, Alaska |
title_sort |
ecological studies of arctic cod ( boreogadus saida) in beaufort sea coastal waters, alaska |
publisher |
Canadian Science Publishing |
publishDate |
1982 |
url |
http://dx.doi.org/10.1139/f82-057 http://www.nrcresearchpress.com/doi/pdf/10.1139/f82-057 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic cod Arctic Beaufort Sea Boreogadus saida Alaska Copepods |
genre_facet |
Arctic cod Arctic Beaufort Sea Boreogadus saida Alaska Copepods |
op_source |
Canadian Journal of Fisheries and Aquatic Sciences volume 39, issue 3, page 395-406 ISSN 0706-652X 1205-7533 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/f82-057 |
container_title |
Canadian Journal of Fisheries and Aquatic Sciences |
container_volume |
39 |
container_issue |
3 |
container_start_page |
395 |
op_container_end_page |
406 |
_version_ |
1811634125687226368 |