Climate Variability, Fish, and Fisheries
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Lehodey, P, et al. Climate Variability, Fish, and Fisheries. 2006. https://doi.org/10.17615/ywyg-jz85APA
Lehodey, P., Alheit, J., Barange, M., Baumgartner, T., Beaugrand, G., Drinkwater, K., Fromentin, J., Hare, S., Ottersen, G., Perry, R., Roy, C., Van Der Lingen, C., & Werner, F. (2006). Climate Variability, Fish, and Fisheries. https://doi.org/10.17615/ywyg-jz85Chicago
Lehodey, P., J Alheit, M Barange, T Baumgartner, G Beaugrand, K Drinkwater, J. M Fromentin et al. 2006. Climate Variability, Fish, and Fisheries. https://doi.org/10.17615/ywyg-jz85- Creator
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Lehodey, P.
- Other Affiliation: Collecte Localisation Satellites
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Alheit, J.
- Other Affiliation: The Leibniz Institute for Baltic Sea Research
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Barange, M.
- Other Affiliation: GLOBEC International Project Office
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Baumgartner, T.
- Other Affiliation: Centro de Investigacion Cientifica y de Educacion Superior de Ensenada
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Beaugrand, G.
- Other Affiliation: Sir Alister Hardy Foundation for Ocean Science
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Drinkwater, K.
- Other Affiliation: Havforskningsinstituttet
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Fromentin, J. M.
- Other Affiliation: IFREMER Institut Francais de Recherche pour l'Exploitation de la Mer
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Hare, S. R.
- Other Affiliation: International Pacific Halibut Commission
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Ottersen, G.
- Other Affiliation: Havforskningsinstituttet
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Perry, R. I.
- Other Affiliation: Pacific Biological Station, Fisheries and Oceans Canada
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Roy, C.
- Other Affiliation: IRD Centre de Bretagne
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van der Lingen, C. D.
- Other Affiliation: Marine and Coastal Management
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Werner, F.
- Affiliation: University of North Carolina at Chapel Hill
- Abstract
- Fish population variability and fisheries activities are closely linked to weather and climate dynamics. While weather at sea directly affects fishing, environmental variability determines the distribution, migra-tion, and abundance of fish. Fishery science grew up during the last century by integrating knowledge from oceanography, fish biology, marine ecology, and fish population dynamics, largely focused on the great Northern Hemisphere fisheries. During this period, understanding and explaining interannual fish recruit-ment variability became a major focus for fisheries oceanographers. Yet, the close link between climate and fisheries is best illustrated by the effect of "unexpected" events—that is, nonseasonal, and sometimes catastrophic—on fish exploitation, such as those associated with the El Niño–Southern Oscillation (ENSO). The observation that fish populations fluctuate at decadal time scales and show patterns of synchrony while being geographically separated drew attention to oceanographic processes driven by low-frequency signals, as reflected by indices tracking large-scale climate patterns such as the Pacific decadal oscillation (PDO) and the North Atlantic Oscillation (NAO). This low-frequency variability was first observed in catch fluctuations of small pelagic fish (anchovies and sardines), but similar effects soon emerged for larger fish such as salmon, various groundfish species, and some tuna species. Today, the availability of long time series of observations combined with major scientific advances in sampling and modeling the oceans' ecosystems allows fisheries science to investigate processes generating variability in abundance, distribution, and dy-namics of fish species at daily, decadal, and even centennial scales. These studies are central to the research program of Global Ocean Ecosystems Dynamics (GLOBEC). This review presents examples of relation-ships between climate variability and fisheries at these different time scales for species covering various marine ecosystems ranging from equatorial to subarctic regions. Some of the known mechanisms linking climate variability and exploited fish populations are described, as well as some leading hypotheses, and their implications for their management and for the modeling of their dynamics. It is concluded with recommendations for collaborative work between climatologists, oceanographers, and fisheries scientists to resolve some of the outstanding problems in the development of sustainable fisheries.
- Date of publication
- 2006
- DOI
- Identifier
- Onescience id: 2e2e70d84bcdcbc758779f8f58291c61789f24d5
- Publisher DOI: https://doi.org/10.1175/JCLI3898.1
- Resource type
- Article
- Rights statement
- In Copyright
- Journal title
- Journal of Climate
- Journal volume
- 19
- Journal issue
- 20
- Page start
- 5009
- Page end
- 5030
- Language
- English
- ISSN
- 0894-8755
- 1520-0442
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