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Fish Ecology, Evolution, and ExploitationA New Theoretical Synthesis$
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Ken H. Andersen

Print publication date: 2019

Print ISBN-13: 9780691192956

Published to Princeton Scholarship Online: January 2020

DOI: 10.23943/princeton/9780691192956.001.0001

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Community Effects of Fishing

Community Effects of Fishing

(p.200) Chapter Twelve Community Effects of Fishing
Fish Ecology, Evolution, and Exploitation

Ken H. Andersen

Princeton University Press

This chapter uses the community model to repeat many of the classic impact calculations of a single stock on the entire community. Here, a focus is the appearance of trophic cascades initiated by the removal of large predators. When a component of an ecosystem is perturbed, the effects are not isolated to the component itself but cascade through the ecosystem. Perturbations are mainly propagated through the predator–prey interactions. The chapter also considers the trade-offs between a forage fishery and a consumer fishery, and the extension of the maximum sustainable yield (MSY) concept to the community, before finally returning to the single-stock aspects.

Keywords:   community model, community effects, trophic cascades, predator–prey interactions, forage fishery, consumer fishery, maximum sustainable yield

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