across multiple taxa to assess the status of Gulf of Alaska and Bering Sea groundfish
ICES Journal of Marine Science, 62: 344e352 (2005)Ecosystem-based approaches to fisheries management require researchers and managers to take into account effects of fishing on other components of the ecosystem, including non-commercial species. Currently, stock assessments in the Northeast Pacific...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.597.1066 2023-05-15T15:43:22+02:00 across multiple taxa to assess the status of Gulf of Alaska and Bering Sea groundfish The Pennsylvania State University CiteSeerX Archives 2004 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.597.1066 http://www.pmel.noaa.gov/foci/publications/2005/muet0498.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.597.1066 http://www.pmel.noaa.gov/foci/publications/2005/muet0498.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.pmel.noaa.gov/foci/publications/2005/muet0498.pdf Bering Sea catch per unit effort demersal community frequency of occurrence Gulf of Alaska mean individual weight randomization test simulation envelope text 2004 ftciteseerx 2016-01-08T13:46:58Z ICES Journal of Marine Science, 62: 344e352 (2005)Ecosystem-based approaches to fisheries management require researchers and managers to take into account effects of fishing on other components of the ecosystem, including non-commercial species. Currently, stock assessments in the Northeast Pacific are limited to the most important commercial species, little being known about the status of non-commercial species. Nevertheless, standardized bottom-trawl surveys conducted in the eastern Bering Sea (EBS) and Gulf of Alaska (GoA), although primarily designed to assess commercial species, provide valuable information on the abundance, distribution, and mean weight of numerous taxa. Using a novel statistical approach and survey data for the years 1993e2003, we examined trends in catch per unit effort (cpue), frequency of occurrence, and mean weight of individuals for each taxon. Time trends were computed as the slope of a linear regression of each indicator on year, and were summarized separately for the eastern and western GoA and for the EBS. Within each system, trends were further compared between commercial and non-commercial taxa. Simulations were used to obtain reference distributions for the expected distribution of slopes across many dependent populations. Observed distributions of trends were compared with simulated distributions, suggesting Text Bering Sea Alaska Unknown Bering Sea Gulf of Alaska Pacific |
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Open Polar |
collection |
Unknown |
op_collection_id |
ftciteseerx |
language |
English |
topic |
Bering Sea catch per unit effort demersal community frequency of occurrence Gulf of Alaska mean individual weight randomization test simulation envelope |
spellingShingle |
Bering Sea catch per unit effort demersal community frequency of occurrence Gulf of Alaska mean individual weight randomization test simulation envelope across multiple taxa to assess the status of Gulf of Alaska and Bering Sea groundfish |
topic_facet |
Bering Sea catch per unit effort demersal community frequency of occurrence Gulf of Alaska mean individual weight randomization test simulation envelope |
description |
ICES Journal of Marine Science, 62: 344e352 (2005)Ecosystem-based approaches to fisheries management require researchers and managers to take into account effects of fishing on other components of the ecosystem, including non-commercial species. Currently, stock assessments in the Northeast Pacific are limited to the most important commercial species, little being known about the status of non-commercial species. Nevertheless, standardized bottom-trawl surveys conducted in the eastern Bering Sea (EBS) and Gulf of Alaska (GoA), although primarily designed to assess commercial species, provide valuable information on the abundance, distribution, and mean weight of numerous taxa. Using a novel statistical approach and survey data for the years 1993e2003, we examined trends in catch per unit effort (cpue), frequency of occurrence, and mean weight of individuals for each taxon. Time trends were computed as the slope of a linear regression of each indicator on year, and were summarized separately for the eastern and western GoA and for the EBS. Within each system, trends were further compared between commercial and non-commercial taxa. Simulations were used to obtain reference distributions for the expected distribution of slopes across many dependent populations. Observed distributions of trends were compared with simulated distributions, suggesting |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
title |
across multiple taxa to assess the status of Gulf of Alaska and Bering Sea groundfish |
title_short |
across multiple taxa to assess the status of Gulf of Alaska and Bering Sea groundfish |
title_full |
across multiple taxa to assess the status of Gulf of Alaska and Bering Sea groundfish |
title_fullStr |
across multiple taxa to assess the status of Gulf of Alaska and Bering Sea groundfish |
title_full_unstemmed |
across multiple taxa to assess the status of Gulf of Alaska and Bering Sea groundfish |
title_sort |
across multiple taxa to assess the status of gulf of alaska and bering sea groundfish |
publishDate |
2004 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.597.1066 http://www.pmel.noaa.gov/foci/publications/2005/muet0498.pdf |
geographic |
Bering Sea Gulf of Alaska Pacific |
geographic_facet |
Bering Sea Gulf of Alaska Pacific |
genre |
Bering Sea Alaska |
genre_facet |
Bering Sea Alaska |
op_source |
http://www.pmel.noaa.gov/foci/publications/2005/muet0498.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.597.1066 http://www.pmel.noaa.gov/foci/publications/2005/muet0498.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766377459920404480 |