Temperature-Dependent Growth of Juvenile Red King Crab ( Paralithodes camtschatica ) and its Effects on Size-at-Age and Subsequent Recruitment in the Eastern Bering Sea
A temperature-based growth relationship was derived for juvenile red king crab (Paralithodes camtschatica) from published data. Growth of annual cohorts of crab was simulated at various locations in Bristol Bay, AK, using long-term water temperature observations, and the resulting mean sizes were co...
Published in: | Canadian Journal of Fisheries and Aquatic Sciences |
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Language: | English |
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Canadian Science Publishing
1990
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Online Access: | http://dx.doi.org/10.1139/f90-150 http://www.nrcresearchpress.com/doi/pdf/10.1139/f90-150 |
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crcansciencepubl:10.1139/f90-150 2023-12-17T10:28:07+01:00 Temperature-Dependent Growth of Juvenile Red King Crab ( Paralithodes camtschatica ) and its Effects on Size-at-Age and Subsequent Recruitment in the Eastern Bering Sea Stevens, Bradley G. 1990 http://dx.doi.org/10.1139/f90-150 http://www.nrcresearchpress.com/doi/pdf/10.1139/f90-150 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Fisheries and Aquatic Sciences volume 47, issue 7, page 1307-1317 ISSN 0706-652X 1205-7533 Aquatic Science Ecology, Evolution, Behavior and Systematics journal-article 1990 crcansciencepubl https://doi.org/10.1139/f90-150 2023-11-19T13:39:37Z A temperature-based growth relationship was derived for juvenile red king crab (Paralithodes camtschatica) from published data. Growth of annual cohorts of crab was simulated at various locations in Bristol Bay, AK, using long-term water temperature observations, and the resulting mean sizes were compared with those observed by the annual National Marine Fisheries Service eastern Bering Sea crab survey. Results indicate that mean age-at-recruitment is 3–5 yr greater than previously estimated, and has decreased from 9.5 to 7.5 yr over the past decade as a result of increasing sea temperature. Single year-classes require 3–5 yr for complete recruitment to the 'mature' size interval, and recruitment in any year may consist of crabs from four to five year-classes. The high landings and subsequent crash of the Bering Sea red king crab population during the late 1970's probably originated from one or more adjacent strong year-classes in the late 1960's which recruited over a period of several years, followed by a period of recruitment failure and high mortality. Future stock–recruitment studies should account for the effects of multi-year recruitment and year-class overlap. Article in Journal/Newspaper Bering Sea Red king crab Canadian Science Publishing (via Crossref) Bering Sea Canadian Journal of Fisheries and Aquatic Sciences 47 7 1307 1317 |
institution |
Open Polar |
collection |
Canadian Science Publishing (via Crossref) |
op_collection_id |
crcansciencepubl |
language |
English |
topic |
Aquatic Science Ecology, Evolution, Behavior and Systematics |
spellingShingle |
Aquatic Science Ecology, Evolution, Behavior and Systematics Stevens, Bradley G. Temperature-Dependent Growth of Juvenile Red King Crab ( Paralithodes camtschatica ) and its Effects on Size-at-Age and Subsequent Recruitment in the Eastern Bering Sea |
topic_facet |
Aquatic Science Ecology, Evolution, Behavior and Systematics |
description |
A temperature-based growth relationship was derived for juvenile red king crab (Paralithodes camtschatica) from published data. Growth of annual cohorts of crab was simulated at various locations in Bristol Bay, AK, using long-term water temperature observations, and the resulting mean sizes were compared with those observed by the annual National Marine Fisheries Service eastern Bering Sea crab survey. Results indicate that mean age-at-recruitment is 3–5 yr greater than previously estimated, and has decreased from 9.5 to 7.5 yr over the past decade as a result of increasing sea temperature. Single year-classes require 3–5 yr for complete recruitment to the 'mature' size interval, and recruitment in any year may consist of crabs from four to five year-classes. The high landings and subsequent crash of the Bering Sea red king crab population during the late 1970's probably originated from one or more adjacent strong year-classes in the late 1960's which recruited over a period of several years, followed by a period of recruitment failure and high mortality. Future stock–recruitment studies should account for the effects of multi-year recruitment and year-class overlap. |
format |
Article in Journal/Newspaper |
author |
Stevens, Bradley G. |
author_facet |
Stevens, Bradley G. |
author_sort |
Stevens, Bradley G. |
title |
Temperature-Dependent Growth of Juvenile Red King Crab ( Paralithodes camtschatica ) and its Effects on Size-at-Age and Subsequent Recruitment in the Eastern Bering Sea |
title_short |
Temperature-Dependent Growth of Juvenile Red King Crab ( Paralithodes camtschatica ) and its Effects on Size-at-Age and Subsequent Recruitment in the Eastern Bering Sea |
title_full |
Temperature-Dependent Growth of Juvenile Red King Crab ( Paralithodes camtschatica ) and its Effects on Size-at-Age and Subsequent Recruitment in the Eastern Bering Sea |
title_fullStr |
Temperature-Dependent Growth of Juvenile Red King Crab ( Paralithodes camtschatica ) and its Effects on Size-at-Age and Subsequent Recruitment in the Eastern Bering Sea |
title_full_unstemmed |
Temperature-Dependent Growth of Juvenile Red King Crab ( Paralithodes camtschatica ) and its Effects on Size-at-Age and Subsequent Recruitment in the Eastern Bering Sea |
title_sort |
temperature-dependent growth of juvenile red king crab ( paralithodes camtschatica ) and its effects on size-at-age and subsequent recruitment in the eastern bering sea |
publisher |
Canadian Science Publishing |
publishDate |
1990 |
url |
http://dx.doi.org/10.1139/f90-150 http://www.nrcresearchpress.com/doi/pdf/10.1139/f90-150 |
geographic |
Bering Sea |
geographic_facet |
Bering Sea |
genre |
Bering Sea Red king crab |
genre_facet |
Bering Sea Red king crab |
op_source |
Canadian Journal of Fisheries and Aquatic Sciences volume 47, issue 7, page 1307-1317 ISSN 0706-652X 1205-7533 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/f90-150 |
container_title |
Canadian Journal of Fisheries and Aquatic Sciences |
container_volume |
47 |
container_issue |
7 |
container_start_page |
1307 |
op_container_end_page |
1317 |
_version_ |
1785580144000237568 |