A comparison between industry and observer catch compositions within the Gulf of Alaska rockfish fishery
Abstract Faunce, C. H. A 2011. comparison between industry and observer catch compositions within the Gulf of Alaska rockfish fishery. – ICES Journal of Marine Science, 68: 1769–1777. Stock assessment scientists and fishery managers operate under the necessary assumption that the identities of speci...
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Online Access: | http://dx.doi.org/10.1093/icesjms/fsr093 http://academic.oup.com/icesjms/article-pdf/68/8/1769/29139723/fsr093.pdf |
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croxfordunivpr:10.1093/icesjms/fsr093 2024-05-12T08:06:34+00:00 A comparison between industry and observer catch compositions within the Gulf of Alaska rockfish fishery Faunce, Craig H. 2011 http://dx.doi.org/10.1093/icesjms/fsr093 http://academic.oup.com/icesjms/article-pdf/68/8/1769/29139723/fsr093.pdf en eng Oxford University Press (OUP) ICES Journal of Marine Science volume 68, issue 8, page 1769-1777 ISSN 1095-9289 1054-3139 Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography journal-article 2011 croxfordunivpr https://doi.org/10.1093/icesjms/fsr093 2024-04-18T08:18:17Z Abstract Faunce, C. H. A 2011. comparison between industry and observer catch compositions within the Gulf of Alaska rockfish fishery. – ICES Journal of Marine Science, 68: 1769–1777. Stock assessment scientists and fishery managers operate under the necessary assumption that the identities of species in official catch reports are known without error. To test this assumption, the incidence, magnitude, and possible causes of species misidentification between industry and fishery-observer data sources were investigated for 29 rockfish landings made in Kodiak, AK. Rockfish species were misidentified in nearly all these landings, and the incidence of misidentification between data sources differed among species rather than the processing plant examined. Although observers failed to identify species recorded by processing plant staff as a result of small sampling fractions, the industry missed species that were identified by observers in more than half the offloads examined. The presence of management species complexes did not reduce the likelihood of erroneous quota debiting as a result of species misidentification. In one landing, the misidentification of the main rockfish species corresponded to the release of a weekly report on total allowable catch and resulted in a delayed fishery closure. Efforts to improve the accuracy of species identifications reported by industry in landing reports are warranted in Alaska, and methods to accomplish this through efficient deployment of observers are discussed. Article in Journal/Newspaper Kodiak Alaska Oxford University Press Gulf of Alaska Landing The ENVELOPE(161.417,161.417,-78.367,-78.367) ICES Journal of Marine Science 68 8 1769 1777 |
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Oxford University Press |
op_collection_id |
croxfordunivpr |
language |
English |
topic |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography |
spellingShingle |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography Faunce, Craig H. A comparison between industry and observer catch compositions within the Gulf of Alaska rockfish fishery |
topic_facet |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography |
description |
Abstract Faunce, C. H. A 2011. comparison between industry and observer catch compositions within the Gulf of Alaska rockfish fishery. – ICES Journal of Marine Science, 68: 1769–1777. Stock assessment scientists and fishery managers operate under the necessary assumption that the identities of species in official catch reports are known without error. To test this assumption, the incidence, magnitude, and possible causes of species misidentification between industry and fishery-observer data sources were investigated for 29 rockfish landings made in Kodiak, AK. Rockfish species were misidentified in nearly all these landings, and the incidence of misidentification between data sources differed among species rather than the processing plant examined. Although observers failed to identify species recorded by processing plant staff as a result of small sampling fractions, the industry missed species that were identified by observers in more than half the offloads examined. The presence of management species complexes did not reduce the likelihood of erroneous quota debiting as a result of species misidentification. In one landing, the misidentification of the main rockfish species corresponded to the release of a weekly report on total allowable catch and resulted in a delayed fishery closure. Efforts to improve the accuracy of species identifications reported by industry in landing reports are warranted in Alaska, and methods to accomplish this through efficient deployment of observers are discussed. |
format |
Article in Journal/Newspaper |
author |
Faunce, Craig H. |
author_facet |
Faunce, Craig H. |
author_sort |
Faunce, Craig H. |
title |
A comparison between industry and observer catch compositions within the Gulf of Alaska rockfish fishery |
title_short |
A comparison between industry and observer catch compositions within the Gulf of Alaska rockfish fishery |
title_full |
A comparison between industry and observer catch compositions within the Gulf of Alaska rockfish fishery |
title_fullStr |
A comparison between industry and observer catch compositions within the Gulf of Alaska rockfish fishery |
title_full_unstemmed |
A comparison between industry and observer catch compositions within the Gulf of Alaska rockfish fishery |
title_sort |
comparison between industry and observer catch compositions within the gulf of alaska rockfish fishery |
publisher |
Oxford University Press (OUP) |
publishDate |
2011 |
url |
http://dx.doi.org/10.1093/icesjms/fsr093 http://academic.oup.com/icesjms/article-pdf/68/8/1769/29139723/fsr093.pdf |
long_lat |
ENVELOPE(161.417,161.417,-78.367,-78.367) |
geographic |
Gulf of Alaska Landing The |
geographic_facet |
Gulf of Alaska Landing The |
genre |
Kodiak Alaska |
genre_facet |
Kodiak Alaska |
op_source |
ICES Journal of Marine Science volume 68, issue 8, page 1769-1777 ISSN 1095-9289 1054-3139 |
op_doi |
https://doi.org/10.1093/icesjms/fsr093 |
container_title |
ICES Journal of Marine Science |
container_volume |
68 |
container_issue |
8 |
container_start_page |
1769 |
op_container_end_page |
1777 |
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1798849071201386496 |