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Flexibility of joint production in mixed fisheries and implications for management

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Briton, F, Thebaud, O, Macher, C, Gardner, C ORCID: 0000-0003-0324-4337 and Little, LR 2021 , 'Flexibility of joint production in mixed fisheries and implications for management' , ICES Journal of Marine Science, vol. 78, no. 5 , pp. 1599-1613 , doi: 10.1093/icesjms/fsab057.

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Abstract

Over the past decade, efforts have been made to factor technical interactions into management recommendations for mixed fisheries. Yet, the dynamics underlying joint production in mixed fisheries are generally poorly captured in operational mixed fisheries models supporting total allowable catch advice. Using an integrated ecological-economic simulation model, we explore the extent to which fishers are likely to alter the species composition of their landings in a mixed fishery managed with individual transferable quotas, the Australian Southern and Eastern Scalefish and Shark Fishery. Our simulations capture three different types of joint production problems, highlighting the flexibility that exists in terms of achievable catch compositions when quota markets provide the economic incentives to adapt fishing practices to quota availability. These results highlight the importance of capturing the drivers of fishing choices when advising TAC decisions in mixed fisheries. We also identify a hierarchy of species in this fishery, with harvest targets set for primary commercial species determining most of its socio-economic performance.

Item Type: Article
Authors/Creators:Briton, F and Thebaud, O and Macher, C and Gardner, C and Little, LR
Keywords: fishing behaviour, ITQ, joint production, mixed fisheries, Southern and Eastern Scalefish and Shark Fishery, TAC advice
Journal or Publication Title: ICES Journal of Marine Science
Publisher: Academic Press Ltd Elsevier Science Ltd
ISSN: 1054-3139
DOI / ID Number: 10.1093/icesjms/fsab057
Copyright Information:

© International Council for the Exploration of the Sea 2021.This article is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0) License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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