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Article . 2018
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Potentially unsustainable fisheries of a critically-endangered pelagic shark species: the case of the blue shark (Prionace glauca) in the Western Mediterranean Sea

Authors: Biton-Porsmoguer, Sebastián; Lloret, Josep;

Potentially unsustainable fisheries of a critically-endangered pelagic shark species: the case of the blue shark (Prionace glauca) in the Western Mediterranean Sea

Abstract

[FR] Le requin peau-bleue (Prionace glauca) est un requin pélagique, hautement migrateur, qui est classé depuis 2016 en “danger critique” par l’UIuiCN en mer Méditerranée, mais les autorités n’ont à ce jour adopté aucune mesure pour contrôler son exploitation. Il est communément considéré comme capture accessoire des pêcheries palangrières artisanales. Notre étude analyse les tendances au sein de cette pêcherie durant ces dernières années dans les eaux Méditerranéennes espagnoles. Les résultats montrent que le requin peau-bleue subit une forte pression des flottes palangrières, particulièrement de la flotte industrielle andalouse. Les résultats suggèrent que le requin peau-bleue ne peut plus être considéré comme une espèce accessoire mais qu’il est délibérément ciblé par les pêcheurs. Cela impliquerait la prise de mesures urgentes pour réguler la pêche, de même que de nouvelles études pour savoir si, oui ou non, la pêche au requin peau-bleue peut se poursuivre dans cette zone du globe

[EN] The blue shark (Prionace glauca) is a pelagic, highly migratory shark commonly considered to be a by-catch species of small-scale pelagic longline fisheries. It has been listed by the IUCN as “critically endangered” in the Mediterranean Sea since 2016, but no measure has been taken so far to control its exploitation there. This study analyses the trends in this fishery over recent years in Spanish Mediterranean waters. The results show that blue sharks are now facing considerable fishing pressure, particularly from the long line industrial fleet based in the Andalusian region. Indeed, the results indicate that the blue shark can no longer be considered as a by-catch species and has now become a target species for these fishermen. We suggest measures should be taken urgently to regulate this fishery and that further studies be carried out to determine whether or not this species should be fished any longer in this area

4 pages, 4 figures

Peer reviewed

Country
Spain
Related Organizations
Keywords

Blue shark, Small-scale fisheries, Mediterranean Sea, Biodiversity, Critically endangered, Taxonomy

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
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