Document Detail

Global marine primary production constrains fisheries catches.
MedLine Citation:
PMID:  20141525     Owner:  NLM     Status:  MEDLINE    
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.
Emmanuel Chassot; Sylvain Bonhommeau; Nicholas K Dulvy; Frédéric Mélin; Reg Watson; Didier Gascuel; Olivier Le Pape
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Publication Detail:
Type:  Journal Article     Date:  2010-02-05
Journal Detail:
Title:  Ecology letters     Volume:  13     ISSN:  1461-0248     ISO Abbreviation:  Ecol. Lett.     Publication Date:  2010 Apr 
Date Detail:
Created Date:  2010-05-11     Completed Date:  2010-08-17     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101121949     Medline TA:  Ecol Lett     Country:  England    
Other Details:
Languages:  eng     Pagination:  495-505     Citation Subset:  IM    
UMR EME, IRD-IFREMER-UM, Centre de Recherche Halieutique Méditerranéenne et Tropicale, Sète, France. <>
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MeSH Terms
Algae / growth & development*
Autotrophic Processes*
Oceans and Seas
Regression Analysis

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