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The environmental niche of the global high seas pelagic longline fleet.

Publication ,  Journal Article
Crespo, GO; Dunn, DC; Reygondeau, G; Boerder, K; Worm, B; Cheung, W; Tittensor, DP; Halpin, PN
Published in: Science advances
August 2018

International interest in the protection and sustainable use of high seas biodiversity has grown in recent years. There is an opportunity for new technologies to enable improvements in management of these areas beyond national jurisdiction. We explore the spatial ecology and drivers of the global distribution of the high seas longline fishing fleet by creating predictive models of the distribution of fishing effort from newly available automatic identification system (AIS) data. Our results show how longline fishing effort can be predicted using environmental variables, many related to the expected distribution of the species targeted by longliners. We also find that the longline fleet has seasonal environmental preferences (for example, increased importance of cooler surface waters during boreal summer) and may only be using 38 to 64% of the available environmentally suitable fishing habitat. Possible explanations include misclassification of fishing effort, incomplete AIS coverage, or how potential range contractions of pelagic species may have reduced the abundance of fishing habitats in the open ocean.

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Published In

Science advances

DOI

EISSN

2375-2548

ISSN

2375-2548

Publication Date

August 2018

Volume

4

Issue

8

Start / End Page

eaat3681

Related Subject Headings

  • Seasons
  • Oceans and Seas
  • Geography
  • Fishes
  • Fisheries
  • Environmental Exposure
  • Ecosystem
  • Conservation of Natural Resources
  • Biodiversity
  • Animals
 

Citation

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Crespo, G. O., Dunn, D. C., Reygondeau, G., Boerder, K., Worm, B., Cheung, W., … Halpin, P. N. (2018). The environmental niche of the global high seas pelagic longline fleet. Science Advances, 4(8), eaat3681. https://doi.org/10.1126/sciadv.aat3681
Crespo, Guillermo Ortuño, Daniel C. Dunn, Gabriel Reygondeau, Kristina Boerder, Boris Worm, William Cheung, Derek P. Tittensor, and Patrick N. Halpin. “The environmental niche of the global high seas pelagic longline fleet.Science Advances 4, no. 8 (August 2018): eaat3681. https://doi.org/10.1126/sciadv.aat3681.
Crespo GO, Dunn DC, Reygondeau G, Boerder K, Worm B, Cheung W, et al. The environmental niche of the global high seas pelagic longline fleet. Science advances. 2018 Aug;4(8):eaat3681.
Crespo, Guillermo Ortuño, et al. “The environmental niche of the global high seas pelagic longline fleet.Science Advances, vol. 4, no. 8, Aug. 2018, p. eaat3681. Epmc, doi:10.1126/sciadv.aat3681.
Crespo GO, Dunn DC, Reygondeau G, Boerder K, Worm B, Cheung W, Tittensor DP, Halpin PN. The environmental niche of the global high seas pelagic longline fleet. Science advances. 2018 Aug;4(8):eaat3681.

Published In

Science advances

DOI

EISSN

2375-2548

ISSN

2375-2548

Publication Date

August 2018

Volume

4

Issue

8

Start / End Page

eaat3681

Related Subject Headings

  • Seasons
  • Oceans and Seas
  • Geography
  • Fishes
  • Fisheries
  • Environmental Exposure
  • Ecosystem
  • Conservation of Natural Resources
  • Biodiversity
  • Animals