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dc.contributor.author
Wosnick, N.
dc.contributor.author
Awruch, Cynthia Andrea
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dc.contributor.author
Adams, K. R.
dc.contributor.author
Gutierre, S. M. M.
dc.contributor.author
Bornatowski, H.
dc.contributor.author
Prado, A. C.
dc.contributor.author
Freire, C. A.
dc.date.available
2019-11-14T15:39:12Z
dc.date.issued
2019-04
dc.identifier.citation
Wosnick, N.; Awruch, Cynthia Andrea; Adams, K. R.; Gutierre, S. M. M.; Bornatowski, H.; et al.; Impacts of fisheries on elasmobranch reproduction: high rates of abortion and subsequent maternal mortality in the shortnose guitarfish; Wiley Blackwell Publishing, Inc; Animal Conservation; 22; 2; 4-2019; 198-206
dc.identifier.issn
1367-9430
dc.identifier.uri
http://hdl.handle.net/11336/88869
dc.description.abstract
The fate of bycatch species released back into the water is crucial to estimate population status and consequent decisions to implement adequate management measurements for elasmobranchs. The shortnose guitarfish, Zapteryx brevirostris, is an endemic species of the Southwest Atlantic. It is currently listed as ‘Vulnerable’ both in the International Union for Conservation of Nature and Brazilian red lists. Although this species displays high tolerance to capture and transportation by fishers from the capture site to the fish market, a significant reduction in survival rates is observed during the reproductive period. Thus, the aim of the present study was to examine post-capture and post-commercial transportation consequences in pregnant females obtained as bycatch from artisanal fisheries in Southern Brazil. Results showed high abortion rates and reduced maternal survival after abortion, with all abortions occurring within 28 h of monitoring in laboratory. Stress plasma markers were also evaluated, to determine the physiological consequences of capture-induced parturition to pregnant females. Results showed alteration in all markers measured (plasma urea, pH, lactate, phosphorus, and potassium) with values for dead pregnant females being different from non-pregnant females and those which survived capture and subsequent abortions. The mortality caused by fisheries bycatch may prove difficult to manage, with immediate release and specific handling protocols for pregnant females implemented through environmental education environmental education and fishermen training programs, potential options to maintain adequate maternal survival and recruitment for this species.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
BATOIDS
dc.subject
BYCATCH
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BYCATCH MORTALITY
dc.subject
CONSERVATION PHYSIOLOGY
dc.subject
FISHING STRESS
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REPRODUCTIVE DISRUPTION
dc.subject
ZAPTERYX BREVIROSTRIS
dc.subject.classification
Otras Ciencias Naturales y Exactas
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dc.subject.classification
Otras Ciencias Naturales y Exactas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Impacts of fisheries on elasmobranch reproduction: high rates of abortion and subsequent maternal mortality in the shortnose guitarfish
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-10-22T15:53:21Z
dc.journal.volume
22
dc.journal.number
2
dc.journal.pagination
198-206
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Wosnick, N.. Universidade Federal do Paraná; Brasil
dc.description.fil
Fil: Awruch, Cynthia Andrea. University of Tasmania; Australia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina
dc.description.fil
Fil: Adams, K. R.. University Of Wollongong; Australia
dc.description.fil
Fil: Gutierre, S. M. M.. Universidade Federal do Paraná; Brasil
dc.description.fil
Fil: Bornatowski, H.. Universidade Federal do Paraná; Brasil
dc.description.fil
Fil: Prado, A. C.. Universidade Federal do Paraná; Brasil
dc.description.fil
Fil: Freire, C. A.. Universidade Federal do Paraná; Brasil
dc.journal.title
Animal Conservation
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1111/acv.12458
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://zslpublications.onlinelibrary.wiley.com/doi/abs/10.1111/acv.12458
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