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Marine spatial closures as a supplementary tool to reduce discards in bottom trawl fisheries: examples from southern European waters

2020-12Journal article Restricted
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dc.contributor.authorDespoti, Smaragda
dc.contributor.authorMilisenda, Giacomo
dc.contributor.authorLigas, Alessandro
dc.contributor.authorBentes, Luis
dc.contributor.authorMaynou, Francesc
dc.contributor.authorVitale, Sergio
dc.contributor.authorGarofalo, Germana
dc.contributor.authorSbrana, Mario
dc.contributor.authorErzini, Karim
dc.contributor.authorTserpes, George
dc.contributor.authorTsagarakis, Konstantinos
dc.contributor.authorMaina, Irida
dc.contributor.authorPyrounaki, Maria-Myrto
dc.contributor.authorPapadopoulou, Nadia
dc.contributor.authorMachias, Athanassios
dc.contributor.authorColloca, Francesco
dc.contributor.authorFiorentino, Fabio
dc.contributor.authorStergiou, Konstantinos, I
dc.contributor.authorGiannoulaki, Marianna
dc.date.accessioned2021-06-18T16:25:44Z
dc.date.available2021-06-18T16:25:44Z
dc.date.issued2020-12
dc.description.abstractDiscards is an important issue in fisheries around the world. the spatial management of discards has attracted interest as a potential tool for minimizing the unwanted catch. the aim of the present work was to identify areas with high quantities of bottom trawl discarded catch regarding species subjected to MCRS, in six areas of southern European waters (southern Portuguese waters, Catalan Sea, Ligurian and northern Tyrrhenian Seas, Strait of Sicily, eastern Ionian Sea, and Aegean Sea). Analyses were based on two types of data: (a) the undersized catch of species subjected to MCRS from bottom trawl surveys and (b) the actual discarded catch (including undersized and non-undersized individuals) of species subjected to MCRS from commercial bottom trawling. Geostatistical analysis techniques were applied to the first type of data and Generalized Additive Models using environmental variables were applied to the second one. Subsequently, areas that persistently presented high quantities of discarded catch (i.e., "iDC grounds") or undersized catch (i.e., "iUC grounds") were identified and mapped. the "iDC grounds"/"iUC grounds" were located either over the slope or within the continental shelf and over marine plateaus, largely depending on the main target species of each fishery. Next, the overlap of "iDC grounds"/"iUC grounds" with the existing Fisheries Restricted Areas (FRAs) and the proposed Marine Protected Areas (MPAs) was estimated aiming to explore how spatial closures could contribute to the reduction of bottom trawl discarded catch/undersized catch. Certain spatial closures were more effective in the Central Mediterranean and others to the Eastern Mediterranean. the overlapping of existing FRAs with "iDC grounds"/`iUC grounds" did not exceed 24 % in any study area, whereas proposed MPAs, like the CIESM Marine Peace Parks, reached up to 90 % for the same study area.
dc.description.sponsorshipEuropean Commission's Horizon 2020 Research and Innovation Program [634495]
dc.description.sponsorshipMEDISEH project (MAREA PROJECT MEDISEH: Mediterranean Sensitive Habitats) [2, SI2.600741]
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.doi10.1016/j.fishres.2020.105714
dc.identifier.issn0165-7836
dc.identifier.urihttp://hdl.handle.net/10400.1/15661
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationScience, Technology, and Society Initiative to minimize Unwanted Catches in European Fisheries
dc.subjectFishery discards
dc.subjectBottom trawl fishery
dc.subjectDiscards' spatial distribution
dc.subjectMarine spatial closures
dc.subjectMarine protected areas
dc.subject.otherFisheries
dc.titleMarine spatial closures as a supplementary tool to reduce discards in bottom trawl fisheries: examples from southern European waters
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleScience, Technology, and Society Initiative to minimize Unwanted Catches in European Fisheries
oaire.awardURIinfo:eu-repo/grantAgreement/EC/H2020/634495/EU
oaire.citation.startPage105714
oaire.citation.titleFisheries Research
oaire.citation.volume232
oaire.fundingStreamH2020
person.familyNameBentes
person.familyNameErzini
person.givenNameLuis
person.givenNameKarim
person.identifier.ciencia-idC619-63A6-6076
person.identifier.ciencia-idD917-7133-341A
person.identifier.orcid0000-0001-6884-2886
person.identifier.orcid0000-0002-1411-0126
person.identifier.ridD-5057-2009
person.identifier.ridM-5216-2013
person.identifier.scopus-author-id6603195176
person.identifier.scopus-author-id7004015948
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.nameEuropean Commission
rcaap.rightsrestrictedAccess
rcaap.typearticle
relation.isAuthorOfPublication6569b202-4643-45ec-9861-9fd8d5f09601
relation.isAuthorOfPublicatione20f0e2d-3085-4c37-9e98-260dc9faddea
relation.isAuthorOfPublication.latestForDiscovery6569b202-4643-45ec-9861-9fd8d5f09601
relation.isProjectOfPublication349e8db1-e535-40e2-b826-c42f3e4b5559
relation.isProjectOfPublication.latestForDiscovery349e8db1-e535-40e2-b826-c42f3e4b5559

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