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Evaluation of MPA effects on small-scale fisheries: a long-term landings-based monitoring approach

2025-02Journal article Open access
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dc.contributor.authorBelackova, Adela
dc.contributor.authorBentes, Luis
dc.contributor.authorBuhl-Mortensen, Lene
dc.contributor.authorHorta e Costa, Barbara
dc.contributor.authorGonçalves, Jorge Manuel Santos
dc.date.accessioned2025-01-07T11:56:03Z
dc.date.available2025-01-07T11:56:03Z
dc.date.issued2025-02
dc.description.abstractSmall-scale commercial fisheries represent a significant economic activity that can be affected by coastal Marine Protected Areas (MPAs). Official fishery landings data can serve as an effective means of evaluating the effects of MPAs on fisheries and harvested species, as they are available over long periods and do not incur any costs. However, the use of long-term landings as a solid baseline for pre-MPA conditions has been rare. In this study, we applied a Before-After-Control-Impact (BACI) design to long-term landings time series to assess the economic and ecological effects of a coastal multi-zone MPA in Portugal. We compared the landings and income per unit of effort (LPUE and IPUE) inside and outside the MPA after its implementation, and within the MPA before and after the implementation. Our results showed that the MPA had a positive influence on the LPUE and IPUE of the local fleet (54 landed taxa in the assemblage), based on significant positive trends inside the MPA after imple mentation, but not before or outside. We found significant positive responses to protection in four taxa with the highest LPUE: Octopus vulgaris, Conger conger, Soleidae, and Rajidae. The MPA’s small no-take zones likely enhance species with small home ranges and their spillover, and, together with the controlled number of fishing licenses, contribute to positive MPA outcomes. However, the LPUE of Muraena helena and Diplodus vulgaris declined significantly inside the MPA between before and after MPA implementation, which could be attributed to enhanced inter-species competition. Despite encouraging LPUE trends within the MPA, the study revealed that prices evolved in a more favourable manner outside than inside the MPA, suggesting that future research in this topic may be necessary to ensure the proper valuation of fishing resources within this and other MPAs. Despite the common limitations of landings data, our study demonstrates that comparing long-term landings from pre and post-MPA periods using a BACI design can be an efficient monitoring solution for budget and data-limited coastal MPAs.eng
dc.description.sponsorshipDL57/2016/CP1361/CT0038; Biodiversa+ MOVE and EU Horizon MARHAB projects; MPA4Change
dc.identifier.doi10.1016/j.ocecoaman.2024.107502
dc.identifier.issn0964-5691
dc.identifier.urihttp://hdl.handle.net/10400.1/26583
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationTurning Marine Protected Areas more efficient by adjusting their zonation and fishing practices
dc.relationAlgarve Centre for Marine Sciences
dc.relationCentre for Marine and Environmental Research
dc.relation.ispartofOcean & Coastal Management
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectFishery monitoring
dc.subjectMarine conservation
dc.subjectCommercial fishery
dc.subjectEconomic assessment
dc.subjectFishery benefits
dc.titleEvaluation of MPA effects on small-scale fisheries: a long-term landings-based monitoring approacheng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleTurning Marine Protected Areas more efficient by adjusting their zonation and fishing practices
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleCentre for Marine and Environmental Research
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//UI%2FBD%2F151307%2F2021/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0101%2F2020/PT
oaire.citation.startPage107502
oaire.citation.titleOcean and Coastal Management
oaire.citation.volume261
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameBelackova
person.familyNameBentes
person.familyNameHorta e Costa
person.familyNameGonçalves
person.givenNameAdela
person.givenNameLuis
person.givenNameBarbara
person.givenNameJorge Manuel Santos
person.identifier356846
person.identifier.ciencia-id821B-029B-B7DA
person.identifier.ciencia-idC619-63A6-6076
person.identifier.ciencia-idE611-6792-97EC
person.identifier.ciencia-id1013-ED6A-65EB
person.identifier.orcid0000-0002-9718-4250
person.identifier.orcid0000-0001-6884-2886
person.identifier.orcid0000-0002-9960-3893
person.identifier.orcid0000-0001-7704-8190
person.identifier.ridD-5057-2009
person.identifier.ridM-5261-2013
person.identifier.ridG-5206-2011
person.identifier.scopus-author-id6603195176
person.identifier.scopus-author-id7103326116
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
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