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Preliminary estimate of post-release survival of immature porbeagles caught with rod-and-reel in the Northwest Atlantic Ocean

2021-02Journal article Open access
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dc.contributor.authorAnderson, Brooke N.
dc.contributor.authorBowlby, Heather D.
dc.contributor.authorNatanson, Lisa J.
dc.contributor.authorCoelho, Rui
dc.contributor.authorCortes, Enric
dc.contributor.authorDomingo, Andres
dc.contributor.authorSulikowski, James A.
dc.date.accessioned2021-09-08T10:58:05Z
dc.date.available2021-09-08T10:58:05Z
dc.date.issued2021-02
dc.description.abstractThe Northwest Atlantic (NWA) population of porbeagles Lamna nasus is susceptible to capture in rod-and-reel fisheries and most individuals are discarded alive due to catch and size limits. To estimate post-release survival, pop-off satellite archival tags were attached to porbeagles captured with rod-and-reel. Fourteen tags were deployed, of which 13 transmitted. All sharks for which we had data survived, giving a post-release survival rate of 100%. Following release, 6 individuals remained in surface waters for several hours to days, while 2 individuals immediately resumed normal diving behaviors. For the remaining sharks (n = 5), low tag transmission resolution precluded the detection of fine scale post-release behavior. The duration of initial depth-holding behavior was characterized using a break-point analysis of dive track variance, which suggests porbeagles exhibited a median post-release recovery period of 116 h (10th and 90th percentiles = 68.8 and 280.1 h) following capture and handling. Our preliminary study suggests immature porbeagles are resilient to capture and handling, although more data would provide stronger support for management recommendations.
dc.description.versioninfo:eu-repo/semantics/acceptedVersion
dc.identifier.doi10.3354/meps13603
dc.identifier.issn0171-8630
dc.identifier.urihttp://hdl.handle.net/10400.1/17027
dc.language.isoeng
dc.peerreviewedyes
dc.publisherINTER-RESEARCH
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectPorbeagle
dc.subjectSurvival
dc.subjectShark
dc.subject.otherEnvironmental Sciences & Ecology; Marine & Freshwater Biology; Oceanography
dc.titlePreliminary estimate of post-release survival of immature porbeagles caught with rod-and-reel in the Northwest Atlantic Ocean
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage159
oaire.citation.startPage153
oaire.citation.titleMarine Ecology Progress Series
oaire.citation.volume660
person.familyNameCoelho
person.givenNameRui
person.identifier134638
person.identifier.ciencia-idDC1A-20B7-EAC0
person.identifier.orcid0000-0003-3813-5157
person.identifier.ridC-1163-2008
person.identifier.scopus-author-id56257111100
rcaap.rightsopenAccess
rcaap.typearticle
relation.isAuthorOfPublication6366aa1b-1301-43a3-b2b0-1280311ac95f
relation.isAuthorOfPublication.latestForDiscovery6366aa1b-1301-43a3-b2b0-1280311ac95f

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