Impact of deep-sea fishery for Greenland halibut (Reinhardtius hippoglossoides) on non-commercial fish species off West Greenland
Abstract Since the late 1980s, a deep-sea fishery for Greenland halibut (Reinhardtius hippoglossoides) has been developing gradually in West Greenland. Deep-sea fish species are generally long-lived and characterized by late age of maturity, low fecundity, and slow growth, features that probably cau...
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Online Access: | http://dx.doi.org/10.1093/icesjms/fst191 http://academic.oup.com/icesjms/article-pdf/71/4/845/29148177/fst191.pdf |
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croxfordunivpr:10.1093/icesjms/fst191 2023-12-31T10:07:14+01:00 Impact of deep-sea fishery for Greenland halibut (Reinhardtius hippoglossoides) on non-commercial fish species off West Greenland Jørgensen, Ole A. Bastardie, François Eigaard, Ole R. 2014 http://dx.doi.org/10.1093/icesjms/fst191 http://academic.oup.com/icesjms/article-pdf/71/4/845/29148177/fst191.pdf en eng Oxford University Press (OUP) ICES Journal of Marine Science volume 71, issue 4, page 845-852 ISSN 1095-9289 1054-3139 Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography journal-article 2014 croxfordunivpr https://doi.org/10.1093/icesjms/fst191 2023-12-06T08:56:24Z Abstract Since the late 1980s, a deep-sea fishery for Greenland halibut (Reinhardtius hippoglossoides) has been developing gradually in West Greenland. Deep-sea fish species are generally long-lived and characterized by late age of maturity, low fecundity, and slow growth, features that probably cause low resilience following overexploitation. In order to evaluate whether populations of nine potential bycatch species are negatively affected by the commercial fishery for Greenland halibut, scientific data from bottom-trawl surveys conducted in the same area and period as the commercial fishery were analysed. During the period 1988–2011, population abundance and size composition changed as catch and effort in the Greenland halibut fishery increased. Two species showed a significant decrease in abundance, and four populations showed a significant reduction in mean weight of individuals (p < 0.05). Correlation analyses show that most of the observed trends in abundance are probably not related to increasing fishing effort for Greenland halibut. The analysis did, however, show that most of the observed decreases in mean weight were significantly correlated with fishing effort during the 24-year period. Article in Journal/Newspaper Greenland Oxford University Press (via Crossref) ICES Journal of Marine Science 71 4 845 852 |
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Open Polar |
collection |
Oxford University Press (via Crossref) |
op_collection_id |
croxfordunivpr |
language |
English |
topic |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography |
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Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography Jørgensen, Ole A. Bastardie, François Eigaard, Ole R. Impact of deep-sea fishery for Greenland halibut (Reinhardtius hippoglossoides) on non-commercial fish species off West Greenland |
topic_facet |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Oceanography |
description |
Abstract Since the late 1980s, a deep-sea fishery for Greenland halibut (Reinhardtius hippoglossoides) has been developing gradually in West Greenland. Deep-sea fish species are generally long-lived and characterized by late age of maturity, low fecundity, and slow growth, features that probably cause low resilience following overexploitation. In order to evaluate whether populations of nine potential bycatch species are negatively affected by the commercial fishery for Greenland halibut, scientific data from bottom-trawl surveys conducted in the same area and period as the commercial fishery were analysed. During the period 1988–2011, population abundance and size composition changed as catch and effort in the Greenland halibut fishery increased. Two species showed a significant decrease in abundance, and four populations showed a significant reduction in mean weight of individuals (p < 0.05). Correlation analyses show that most of the observed trends in abundance are probably not related to increasing fishing effort for Greenland halibut. The analysis did, however, show that most of the observed decreases in mean weight were significantly correlated with fishing effort during the 24-year period. |
format |
Article in Journal/Newspaper |
author |
Jørgensen, Ole A. Bastardie, François Eigaard, Ole R. |
author_facet |
Jørgensen, Ole A. Bastardie, François Eigaard, Ole R. |
author_sort |
Jørgensen, Ole A. |
title |
Impact of deep-sea fishery for Greenland halibut (Reinhardtius hippoglossoides) on non-commercial fish species off West Greenland |
title_short |
Impact of deep-sea fishery for Greenland halibut (Reinhardtius hippoglossoides) on non-commercial fish species off West Greenland |
title_full |
Impact of deep-sea fishery for Greenland halibut (Reinhardtius hippoglossoides) on non-commercial fish species off West Greenland |
title_fullStr |
Impact of deep-sea fishery for Greenland halibut (Reinhardtius hippoglossoides) on non-commercial fish species off West Greenland |
title_full_unstemmed |
Impact of deep-sea fishery for Greenland halibut (Reinhardtius hippoglossoides) on non-commercial fish species off West Greenland |
title_sort |
impact of deep-sea fishery for greenland halibut (reinhardtius hippoglossoides) on non-commercial fish species off west greenland |
publisher |
Oxford University Press (OUP) |
publishDate |
2014 |
url |
http://dx.doi.org/10.1093/icesjms/fst191 http://academic.oup.com/icesjms/article-pdf/71/4/845/29148177/fst191.pdf |
genre |
Greenland |
genre_facet |
Greenland |
op_source |
ICES Journal of Marine Science volume 71, issue 4, page 845-852 ISSN 1095-9289 1054-3139 |
op_doi |
https://doi.org/10.1093/icesjms/fst191 |
container_title |
ICES Journal of Marine Science |
container_volume |
71 |
container_issue |
4 |
container_start_page |
845 |
op_container_end_page |
852 |
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1786839489616805888 |