| Global marine primary production constrains fisheries catches. | |
MedLine Citation:
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PMID: 20141525 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Primary production must constrain the amount of fish and invertebrates available to expanding fisheries; however the degree of limitation has only been demonstrated at regional scales to date. Here we show that phytoplanktonic primary production, estimated from an ocean-colour satellite (SeaWiFS), is related to global fisheries catches at the scale of Large Marine Ecosystems, while accounting for temperature and ecological factors such as ecosystem size and type, species richness, animal body size, and the degree and nature of fisheries exploitation. Indeed we show that global fisheries catches since 1950 have been increasingly constrained by the amount of primary production. The primary production appropriated by current global fisheries is 17-112% higher than that appropriated by sustainable fisheries. Global primary production appears to be declining, in some part due to climate variability and change, with consequences for the near future fisheries catches. |
Authors:
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Emmanuel Chassot; Sylvain Bonhommeau; Nicholas K Dulvy; Frédéric Mélin; Reg Watson; Didier Gascuel; Olivier Le Pape |
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Publication Detail:
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Type: Journal Article Date: 2010-02-05 |
Journal Detail:
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Title: Ecology letters Volume: 13 ISSN: 1461-0248 ISO Abbreviation: Ecol. Lett. Publication Date: 2010 Apr |
Date Detail:
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Created Date: 2010-05-11 Completed Date: 2010-08-17 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101121949 Medline TA: Ecol Lett Country: England |
Other Details:
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Languages: eng Pagination: 495-505 Citation Subset: IM |
Affiliation:
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UMR EME, IRD-IFREMER-UM, Centre de Recherche Halieutique Méditerranéenne et Tropicale, Sète, France. emmanuel.chassot@ird.fr <emmanuel.chassot@ird.fr> |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Algae
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growth & development* Animals Autotrophic Processes * Biodiversity Biomass * Fisheries * Oceans and Seas Regression Analysis Temperature |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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