Assessing the effects of demersal fishing and conservation strategies of marine mammals over a Patagonian food web

•We model a food web considering fishing, hake cannibalism and sea lions effects.•We examine changes in the San Matías gulf food web over 4 decades.•Increasing sea lion biomass showed little effect over hake mortality.•Changes of fishing mortality over hake constrained its size structured cannibalis...

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Bibliographic Details
Published in:	Ecological modelling Vol. 331; pp. 31 - 43
Main Authors:	Ocampo Reinaldo, Matías, Milessi, Andrés C., Romero, María Alejandra, Crespo, Enrique, Wolff, Matthias, González, Raúl A.
Format:	Journal Article
Language:	English
Published:	Elsevier B.V 10-07-2016
Subjects:	Abundance Argentine hake Biomass cannibalism Conservation Demersal fishing dynamic models Ecopath with Ecosim ecosystems fisheries Fishing fishing boats Food web food webs Hake Hunting juveniles Marine Marine mammals Merluccius hubbsi Mortality Otaria bryonia Otaria flavescens Patagonia predation predators South American sea lion time series analysis traditional technology PSW, Argentina, Chubut, San Matias Gulf Demersal fishing South American sea lion Food web Argentine hake Patagonia Ecopath with Ecosim
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