Sport fishing and vessel pressure on the endangered cetacean Delphinus delphis. Towards an international agreement of micro-sanctuary for its conservation

Delphinus delphis Linnaeus 1758 is considered an endangered species in the Mediterranean. The species is resident in the Bay of Algeciras - Gibraltar (southern Spain; waters partially shared with Gibraltar, UK). This area is subject to strong anthropogenic pressure, but with an input of renewed wate...

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Bibliographic Details
Published in:Journal of environmental management 2023-01, Vol.325, p.116546-116546, Article 116546
Main Authors: Olaya-Ponzone, L., Espada Ruíz, R., Patón Domínguez, D., Martín Moreno, E., Cárdenas Marcial, I., Serradilla Santiago, J., García-Gómez, J.C.
Format: Article
Language:English
Subjects:
Delphinus delphis
Dolphins
Micro-sanctuary
Tuna fishing
Vessels
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Summary:Delphinus delphis Linnaeus 1758 is considered an endangered species in the Mediterranean. The species is resident in the Bay of Algeciras - Gibraltar (southern Spain; waters partially shared with Gibraltar, UK). This area is subject to strong anthropogenic pressure, but with an input of renewed waters in its central area. During three consecutive years (March 2017–March 2020), sightings were observed concentrated along the submarine canyon that runs north to south across the bay, forming a “specular S″ with a maximum depth of 460 m. The pods of Dd showed a continuous or semi-continuous spatial distribution along the vertical axis of the submarine canyon, where they feed, mate, breed and rear calves in a well-defined area that constitutes a critical habitat. This area has been cartographically delimited, choosing the area of maximum dolphin frequency as highly vulnerable due to the possibility of collisions with small vessels (
ISSN:0301-4797
1095-8630
DOI:10.1016/j.jenvman.2022.116546