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Journal article
Predicting bycatch hotspots for endangered leatherback turtles on longlines in the Pacific Ocean
Proceedings of the Royal Society. B, Biological sciences, v 281(1777), 20132559
22 Feb 2014
PMID: 24403331
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Fisheries bycatch is a critical source of mortality for rapidly declining populations of leatherback turtles,
Dermochelys coriacea
. We integrated use-intensity distributions for 135 satellite-tracked adult turtles with longline fishing effort to estimate predicted bycatch risk over space and time in the Pacific Ocean. Areas of predicted bycatch risk did not overlap for eastern and western Pacific nesting populations, warranting their consideration as distinct management units with respect to fisheries bycatch. For western Pacific nesting populations, we identified several areas of high risk in the north and central Pacific, but greatest risk was adjacent to primary nesting beaches in tropical seas of Indo-Pacific islands, largely confined to several exclusive economic zones under the jurisdiction of national authorities. For eastern Pacific nesting populations, we identified moderate risk associated with migrations to nesting beaches, but the greatest risk was in the South Pacific Gyre, a broad pelagic zone outside national waters where management is currently lacking and may prove difficult to implement. Efforts should focus on these predicted hotspots to develop more targeted management approaches to alleviate leatherback bycatch.
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Details
- Title
- Predicting bycatch hotspots for endangered leatherback turtles on longlines in the Pacific Ocean
- Creators
- John H Roe (Corresponding Author) - University of North Carolina at PembrokeStephen J Morreale - Cornell UniversityFrank V Paladino - Indiana University – Purdue University Fort WayneGeorge L Shillinger - Stanford UniversityScott R Benson - NOAA National Marine Fisheries Service Southwest Fisheries Science CenterScott A Eckert - Duke UniversityHelen Bailey - University of Maryland Center for Environmental SciencePilar Santidrián Tomillo - Drexel University, Biodiversity, Earth, and Environmental Science (BEES)Steven J Bograd - NOAA National Marine Fisheries Service Southwest Fisheries Science CenterTomoharu Eguchi - NOAA National Marine Fisheries Service Southwest Fisheries Science CenterPeter H Dutton - NOAA National Marine Fisheries Service Southwest Fisheries Science CenterJeffrey A Seminoff - NOAA National Marine Fisheries Service Southwest Fisheries Science CenterBarbara A Block - Stanford UniversityJames R Spotila - Drexel University, Biodiversity, Earth, and Environmental Science (BEES)
- Publication Details
- Proceedings of the Royal Society. B, Biological sciences, v 281(1777), 20132559
- Publisher
- The Royal Society
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Biodiversity, Earth, and Environmental Science (BEES); [Retired Faculty]
- Web of Science ID
- WOS:000332382000013
- Scopus ID
- 2-s2.0-84891878324
- Other Identifier
- 991014877897304721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Biology
- Ecology
- Evolutionary Biology