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The Spanish Oceanographic Institute was created following Royal Decree of 17 April 1914. It is a public research body devoted to research into marine sciences, especially in terms of the scientific knowledge of oceans, sustainability of fisheries resources and the marine environment. IEO depends on the Ministry of Economy and Competitiveness, directly reporting to the Secretariat of State for Research.

Journal Article

Journal article

Estimating by-catch of loggerhead turtles in the Mediterranean: Comment on Álvarez de Quevedo et al.  [2014]

Báez, J.C. (José Carlos); García-Barcelona, S. (Salvador); Real, R.; Macías-López, A.D. (Ángel David);

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Álvarez de Quevedo et al. (2013; Mar Ecol Prog Ser 489:225–234) tagged 26 by-caught loggerhead sea turtles, released them with the hook and 40 cm of line, tracked them for90 d, and concluded that the Spanish longline fleet in the southwestern Mediterranean Sea has anannual by-catch of 10 656 loggerhead turtles, resulting in 3421 to 4028 turtle deaths. We considerthe methodology and results in Álvarez de Quevedo et al. (2013) to be correct overall, but basedon the loggerhead CPUE (per 1000 hooks) in the 2006−2007 period, we estimate that only6060 ind. (SE: ± 40%) are captured annually; this would lead to a lower estimate of turtle mortalityof 1945 to 2290 ind. (± 40%).

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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2015
All titles:
" Estimating by-catch of loggerhead turtles in the Mediterranean: Comment on Álvarez de Quevedo et al. "