Publication: Assessing the influence of the atmospheric oscillations on
pelagic and highly migratory sharks bycatches from Spanish
Mediterranean Sea, a meta-analytic approach
Authors
Báez, José Carlos
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Publisher
Universidad de Murcia. Facultad de Biología
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DOI
http://dx.doi.org/10.6018/analesbio.37.4
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info:eu-repo/semantics/article
Description
Abstract
Evaluación de la influencia de las oscilaciones atmosféricas sobre
las capturas accesorias de tiburones pelágicos y altamente
migratorios desde el Mediterráneo español, un enfoque metaanalítico
El objetivo principal del presente estudio fue analizar el efecto de
las oscilaciones atmosféricas sobre los patrones de descarga de
los tiburones pelágicos capturados de forma accesoria en palangre
de superficie (fundamentalmente tintoreras, marrajos, y tiburones
zorros) desde el Mediterráneo español, utilizando un enfoque meta-analítico.
El objetivo final es conocer la respuesta de los tiburones
altamente migratorios a los fenómenos climáticos de gran escala,
y su posible relación con el efecto del calentamiento global.
Se utilizaron dos fuentes de datos diferentes, ambas de áreas geográficas
diferentes: mar de Alborán y mar Balear. Los resultados indican
que la abundancia local de tiburones pelágicos podría estar
mediada por la oscilación ártica.
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Abstract Blue shark, shortfin mako shark and the thresher sharks are the three taxa of pelagic sharks most caught as bycatch in the Spanish pelagic longline fishery from Mediterranean Sea. The main aim of the present study was to analyse the effect of atmospheric oscillations about landing patterns of blue shark, shortfin mako shark, and thresher sharks from Spanish Mediterranean Sea, using a metaanalytical approach. The ultimate goal was to understand the response of highly migratory sharks to large-scale climate phenomena, and its possible link with the effect of global warming. Two different data sources were used from different geographical areas: Alboran Sea and Balearic Sea. The results indicate that the local abundance of pelagic sharks could be mediated by the Arctic Oscillation.
Abstract Blue shark, shortfin mako shark and the thresher sharks are the three taxa of pelagic sharks most caught as bycatch in the Spanish pelagic longline fishery from Mediterranean Sea. The main aim of the present study was to analyse the effect of atmospheric oscillations about landing patterns of blue shark, shortfin mako shark, and thresher sharks from Spanish Mediterranean Sea, using a metaanalytical approach. The ultimate goal was to understand the response of highly migratory sharks to large-scale climate phenomena, and its possible link with the effect of global warming. Two different data sources were used from different geographical areas: Alboran Sea and Balearic Sea. The results indicate that the local abundance of pelagic sharks could be mediated by the Arctic Oscillation.
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