期刊
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
卷 281, 期 1780, 页码 -出版社
ROYAL SOC
DOI: 10.1098/rspb.2013.3065
关键词
incidental capture; marine protected area; international collaboration; satellite tracking; mitigation; marine vertebrate
资金
- Large Pelagics Research Center through National Oceanographic and Atmospheric Agency award [NA04NMF4550391]
- UK Defra Darwin Initiative
- Shellshock Campaign (European Association for Zoos and Aquaria)
- UK Natural Environment Research Council
- Wildlife Conservation Society
- Gabon Sea Turtle Partnership
- Marine Turtle Conservation Fund (United States Fish and Wildlife Service, US Department of the Interior)
- Canadian Sea Turtle Network
- CNES
- DEAL
- European Union
- NERC [NE/J012319/1] Funding Source: UKRI
- Natural Environment Research Council [NE/J012319/1] Funding Source: researchfish
Large oceanic migrants play important roles in ecosystems, yet many species are of conservation concern as a result of anthropogenic threats, of which incidental capture by fisheries is frequently identified. The last large populations of the leatherback turtle, Dermochelys coriacea, occur in the Atlantic Ocean, but interactions with industrial fisheries could jeopardize recent positive population trends, making bycatch mitigation a priority. Here, we perform the first pan-Atlantic analysis of spatio-temporal distribution of the leatherback turtle and ascertain overlap with longline fishing effort. Data suggest that the Atlantic probably consists of two regional management units: northern and southern (the latter including turtles breeding in South Africa). Although turtles and fisheries show highly diverse distributions, we highlight nine areas of high susceptibility to potential bycatch (four in the northern Atlantic and five in the southern/equatorial Atlantic) that are worthy of further targeted investigation and mitigation. These are reinforced by reports of leatherback bycatch at eight of these sites. International collaborative efforts are needed, especially from nations hosting regions where susceptibility to bycatch is likely to be high within their exclusive economic zone (northern Atlantic: Cape Verde, Gambia, Guinea Bissau, Mauritania, Senegal, Spain, USA and Western Sahara; southern Atlantic: Angola, Brazil, Namibia and UK) and from nations fishing in these high-susceptibility areas, including those located in international waters.
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