A multi-stock harvest control rule based on "pretty good yield" ranges to support mixed-fisheries management

Garcia, Dorleta, Dolder, Paul J. ORCID: https://orcid.org/0000-0002-4179-712X, Iriondo, Ane, Moore, Claire, Prellezo, Raúl and Urtizberea, Agurtzane (2019) A multi-stock harvest control rule based on "pretty good yield" ranges to support mixed-fisheries management. ICES Journal of Marine Science, 77 (1). pp. 119-135. ISSN 1054-3139

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Abstract

Advice for commercially exploited fish stocks is usually given on a stock-by-stock basis. In light of the ecosystem-based fisheries management, the need to move towards a holistic approach has been largely acknowledged. In addition, the discard bans in some countries requires consistent catch advice among stocks to mitigate choke species limiting fisheries activity. In this context, in 2015, the European Commission proposed the use of fishing mortality ranges around fishing mortality targets to give flexibility to the catch advice system and improve the use of fishing opportunities in mixed-fisheries. We present a multi-stock harvest control rule (HCR) that uses single stock assessment results and fishing mortality ranges to generate a consistent catch advice among stocks. We tested the performance of the HCR in two different case studies. An artificial case study with three stocks exploited simultaneously by a single fleet and the demersal mixed-fishery operating in Bay of Biscay and Celtic Sea. The HCR produced consistent catch advice among stocks when there was only a single fleet exploiting them. Even more, the HCR removed the impact of the discard ban. However, in a multi-fleet framework the performance of the HCR varied depending on the characteristics of the fleets.

Item Type: Article
Additional Information: Funding Information: The authors thank the WGBIE and WKMIXFISH working groups of ICES for facilitating data to carry out this research. Financial support for DG, AI, RP and AU was provided, in part, by the Department of Agriculture, Fishing and Food from the Basque Government (AINCO and IMPACPES Grant agreement no. 33-2016-00088 and 289257, respectively) and by the European Commission through the DrumFish (EU Service Contract No EASME/EMFF/2014/1.3.2.4/SI2.721116) and ProbyFish (EU Service Contract No EASME/EMFF/2017/1.3.2.5/SI2.778873) projects. PJD was funded by the Department for Environment, Food and Rural Affairs (Defra), UK. We would like to thank the two anonymous reviewers for their detailed comments that have helped to improve the quality of the manuscript. is publication number 937 of AZTI. Publisher Copyright: © 2019 International Council for the Exploration of the Sea 2019. All rights reserved. For permissions, please email: journals.permissions@oup.com.
Uncontrolled Keywords: ebfm,harvest control rule,landing obligation,mixed-fisheries,pretty good yield,oceanography,ecology, evolution, behavior and systematics,aquatic science,ecology,sdg 14 - life below water ,/dk/atira/pure/subjectarea/asjc/1900/1910
Faculty \ School: Faculty of Science > School of Environmental Sciences
Related URLs:
Depositing User: LivePure Connector
Date Deposited: 24 Aug 2022 14:30
Last Modified: 24 Sep 2022 07:03
URI: https://ueaeprints.uea.ac.uk/id/eprint/87599
DOI: 10.1093/icesjms/fsz181

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