Modelling the effects of fishing on the North Sea fish community size composition
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- 作者：Douglas C. Speirsa ; d.c.speirs@strath.ac.uk" class="auth_mail" title="E-mail the corresponding author ; Simon P.R. Greenstreetb ; Michael R. Heatha
- 关键词：LFI ; large fish indicator ; IBTS ; international bottom trawl survey ; EU ; European Union ; MFSD ; marine strategy framework directive ; OSPAR ; Oslo-Paris convention for the protection of the marine environment of the North-East Atlantic ; EcoQO ; ecological quality objective ; PDMM ; population dynamical matching model ; FCSRM ; fish community size-resolved model ; ICES ; International Council for the Exploration of the Seas ; TSB ; total stock biomass
- 刊名：Ecological Modelling
- 出版年：2016
- 出版时间：10 February 2016
- 年：2016
- 卷：321
- 期：Complete
- 页码：35-45
- 全文大小：1635 K
文摘
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A size-structured model is used to explore the dynamics of a marine fish community.
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The large fish indicator (LFI) is the proportion of fish over 40 cm in length.
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The model reproduces large changes in the observed LFI in the North Sea.
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The results show that the North Sea LFI is driven mainly by cod fishing mortality.
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Sustainable fishing on cod will allow the recovery LFI in under a decade.