Pan-Atlantic analysis of the overlap of a highly migratory species, the leatherback turtle, with pelagic longline fisheries
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 At...
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2014
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09628452_v281_n1780_p_Fossette http://hdl.handle.net/20.500.12110/paper_09628452_v281_n1780_p_Fossette |
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paper:paper_09628452_v281_n1780_p_Fossette2023-06-08T15:58:07Z Pan-Atlantic analysis of the overlap of a highly migratory species, the leatherback turtle, with pelagic longline fisheries Prosdocimi, Laura Incidental capture International collaboration Marine protected area Marine vertebrate Mitigation Satellite tracking anthropogenic effect bycatch data set Exclusive Economic Zone longlining migration migratory species mitigation pelagic fishery protected area satellite imagery spatiotemporal analysis tracking turtle Atlantic Ocean South Africa 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 fisheriesshow 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. © 2014 The Authors. Fil:Prosdocimi, L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2014 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09628452_v281_n1780_p_Fossette http://hdl.handle.net/20.500.12110/paper_09628452_v281_n1780_p_Fossette |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Incidental capture International collaboration Marine protected area Marine vertebrate Mitigation Satellite tracking anthropogenic effect bycatch data set Exclusive Economic Zone longlining migration migratory species mitigation pelagic fishery protected area satellite imagery spatiotemporal analysis tracking turtle Atlantic Ocean South Africa |
| spellingShingle |
Incidental capture International collaboration Marine protected area Marine vertebrate Mitigation Satellite tracking anthropogenic effect bycatch data set Exclusive Economic Zone longlining migration migratory species mitigation pelagic fishery protected area satellite imagery spatiotemporal analysis tracking turtle Atlantic Ocean South Africa Prosdocimi, Laura Pan-Atlantic analysis of the overlap of a highly migratory species, the leatherback turtle, with pelagic longline fisheries |
| topic_facet |
Incidental capture International collaboration Marine protected area Marine vertebrate Mitigation Satellite tracking anthropogenic effect bycatch data set Exclusive Economic Zone longlining migration migratory species mitigation pelagic fishery protected area satellite imagery spatiotemporal analysis tracking turtle Atlantic Ocean South Africa |
| description |
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 fisheriesshow 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. © 2014 The Authors. |
| author |
Prosdocimi, Laura |
| author_facet |
Prosdocimi, Laura |
| author_sort |
Prosdocimi, Laura |
| title |
Pan-Atlantic analysis of the overlap of a highly migratory species, the leatherback turtle, with pelagic longline fisheries |
| title_short |
Pan-Atlantic analysis of the overlap of a highly migratory species, the leatherback turtle, with pelagic longline fisheries |
| title_full |
Pan-Atlantic analysis of the overlap of a highly migratory species, the leatherback turtle, with pelagic longline fisheries |
| title_fullStr |
Pan-Atlantic analysis of the overlap of a highly migratory species, the leatherback turtle, with pelagic longline fisheries |
| title_full_unstemmed |
Pan-Atlantic analysis of the overlap of a highly migratory species, the leatherback turtle, with pelagic longline fisheries |
| title_sort |
pan-atlantic analysis of the overlap of a highly migratory species, the leatherback turtle, with pelagic longline fisheries |
| publishDate |
2014 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09628452_v281_n1780_p_Fossette http://hdl.handle.net/20.500.12110/paper_09628452_v281_n1780_p_Fossette |
| work_keys_str_mv |
AT prosdocimilaura panatlanticanalysisoftheoverlapofahighlymigratoryspeciestheleatherbackturtlewithpelagiclonglinefisheries |
| _version_ |
1768544922861830144 |