Pacific salmon abundance trends and climate change
<qd> Irvine, J. R., and Fukuwaka, M. 2011. Pacific salmon abundance trends and climate change. – ICES Journal of Marine Science, 68: 1122–1130. </qd>Understanding reasons for historical patterns in salmon abundance could help anticipate future climate-related changes. Recent salmon abund...
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fthighwire:oai:open-archive.highwire.org:icesjms:68/6/1122 2023-05-15T17:59:37+02:00 Pacific salmon abundance trends and climate change Irvine, James R. Fukuwaka, Masa-aki 2011-07-01 00:00:00.0 text/html http://icesjms.oxfordjournals.org/cgi/content/short/68/6/1122 https://doi.org/10.1093/icesjms/fsq199 en eng Oxford University Press http://icesjms.oxfordjournals.org/cgi/content/short/68/6/1122 http://dx.doi.org/10.1093/icesjms/fsq199 Copyright (C) 2011, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer Articles TEXT 2011 fthighwire https://doi.org/10.1093/icesjms/fsq199 2011-07-01T20:56:05Z <qd> Irvine, J. R., and Fukuwaka, M. 2011. Pacific salmon abundance trends and climate change. – ICES Journal of Marine Science, 68: 1122–1130. </qd>Understanding reasons for historical patterns in salmon abundance could help anticipate future climate-related changes. Recent salmon abundance in the northern North Pacific Ocean, as indexed by commercial catches, has been among the highest on record, with no indication of decline; the 2009 catch was the highest to date. Although the North Pacific Ocean continues to produce large quantities of Pacific salmon, temporal abundance patterns vary among species and areas. Currently, pink and chum salmon are very abundant overall and Chinook and coho salmon are less abundant than they were previously, whereas sockeye salmon abundance varies among areas. Analyses confirm climate-related shifts in abundance, associated with reported ecosystem regime shifts in approximately 1947, 1977, and 1989. We found little evidence to support a major shift after 1989. From 1990, generally favourable climate-related marine conditions in the western North Pacific Ocean, as well as expanding hatchery operations and improving hatchery technologies, are increasing abundances of chum and pink salmon. In the eastern North Pacific Ocean, climate-related changes are apparently playing a role in increasing chum and pink salmon abundances and declining numbers of coho and Chinook salmon. Text Pink salmon HighWire Press (Stanford University) Pacific Sockeye ENVELOPE(-130.143,-130.143,54.160,54.160) ICES Journal of Marine Science 68 6 1122 1130 |
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Articles Irvine, James R. Fukuwaka, Masa-aki Pacific salmon abundance trends and climate change |
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<qd> Irvine, J. R., and Fukuwaka, M. 2011. Pacific salmon abundance trends and climate change. – ICES Journal of Marine Science, 68: 1122–1130. </qd>Understanding reasons for historical patterns in salmon abundance could help anticipate future climate-related changes. Recent salmon abundance in the northern North Pacific Ocean, as indexed by commercial catches, has been among the highest on record, with no indication of decline; the 2009 catch was the highest to date. Although the North Pacific Ocean continues to produce large quantities of Pacific salmon, temporal abundance patterns vary among species and areas. Currently, pink and chum salmon are very abundant overall and Chinook and coho salmon are less abundant than they were previously, whereas sockeye salmon abundance varies among areas. Analyses confirm climate-related shifts in abundance, associated with reported ecosystem regime shifts in approximately 1947, 1977, and 1989. We found little evidence to support a major shift after 1989. From 1990, generally favourable climate-related marine conditions in the western North Pacific Ocean, as well as expanding hatchery operations and improving hatchery technologies, are increasing abundances of chum and pink salmon. In the eastern North Pacific Ocean, climate-related changes are apparently playing a role in increasing chum and pink salmon abundances and declining numbers of coho and Chinook salmon. |
format |
Text |
author |
Irvine, James R. Fukuwaka, Masa-aki |
author_facet |
Irvine, James R. Fukuwaka, Masa-aki |
author_sort |
Irvine, James R. |
title |
Pacific salmon abundance trends and climate change |
title_short |
Pacific salmon abundance trends and climate change |
title_full |
Pacific salmon abundance trends and climate change |
title_fullStr |
Pacific salmon abundance trends and climate change |
title_full_unstemmed |
Pacific salmon abundance trends and climate change |
title_sort |
pacific salmon abundance trends and climate change |
publisher |
Oxford University Press |
publishDate |
2011 |
url |
http://icesjms.oxfordjournals.org/cgi/content/short/68/6/1122 https://doi.org/10.1093/icesjms/fsq199 |
long_lat |
ENVELOPE(-130.143,-130.143,54.160,54.160) |
geographic |
Pacific Sockeye |
geographic_facet |
Pacific Sockeye |
genre |
Pink salmon |
genre_facet |
Pink salmon |
op_relation |
http://icesjms.oxfordjournals.org/cgi/content/short/68/6/1122 http://dx.doi.org/10.1093/icesjms/fsq199 |
op_rights |
Copyright (C) 2011, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer |
op_doi |
https://doi.org/10.1093/icesjms/fsq199 |
container_title |
ICES Journal of Marine Science |
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68 |
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6 |
container_start_page |
1122 |
op_container_end_page |
1130 |
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1766168468518862848 |