Increases in Adélie penguins in the Ross Sea: Could the fishery for Antarctic toothfish be responsible?

Matt H. Pinkerton,Philip O’B. Lyver,Darren W. Stevens,Jeff Forman,Regina Eisert,Sophie Mormede

Ecological Modelling（2016）

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摘要

•Antarctic silverfish are not a major prey of Antarctic toothfish in the Ross Sea.•Predation release is not consistent with changes to Ross Sea Adélie penguins.•Models of intermediate complexity can assess the plausibility of predation release.•Spatial complexity must be taken into account to assess trophic overlap.•CCAMLR Article IIb has not been breached in this case.

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关键词

Ecosystem approach to fisheries,Predation release,Trophic overlap,Niche,Southern Ocean,CCAMLR

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