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Global spatial risk assessment of sharks under the footprint of fisheries

Global spatial risk assessment of sharks under the footprint of fisheries
Global spatial risk assessment of sharks under the footprint of fisheries
Effective ocean management and the conservation of highly migratory species depend on resolving the overlap between animal movements and distributions, and fishing effort. However, this information is lacking at a global scale. Here we show, using a big-data approach that combines satellite-tracked movements of pelagic sharks and global fishing fleets, that 24% of the mean monthly space used by sharks falls under the footprint of pelagic longline fisheries. Space-use hotspots of commercially valuable sharks and of internationally protected species had the highest overlap with longlines (up to 76% and 64%, respectively), and were also associated with significant increases in fishing effort. We conclude that pelagic sharks have limited spatial refuge from current levels of fishing effort in marine areas beyond national jurisdictions (the high seas). Our results demonstrate an urgent need for conservation and management measures at high-seas hotspots of shark space use, and highlight the potential of simultaneous satellite surveillance of megafauna and fishers as a tool for near-real-time, dynamic management.
0028-0836
461-466
Queiroz, Nuno
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Humphries, Nicolas E.
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Couto, Ana
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Vedor, Marisa
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Da Costa, Ivo
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Sequeira, Ana M. M.
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Mucientes, Gonzalo
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Santos, António M.
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Abascal, Francisco J.
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Abercrombie, Debra L.
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Abrantes, Katya
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Acuña-Marrero, David
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Afonso, André S.
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Afonso, Pedro
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Anders, Darrell
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Araujo, Gonzalo
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Arauz, Randall
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Bach, Pascal
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Barnett, Adam
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Bernal, Diego
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Berumen, Michael L.
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Bessudo Lion, Sandra
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Bezerra, Natalia P. A.
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Blaison, Antonin V.
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Block, Barbara A.
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Bond, Mark E.
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Bonfil, Ramón
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Bradford, Russell W.
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Byrne, Michael E.
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Campana, Steven E.
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Carlisle, Aaron B.
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Chapman, Demian D.
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Chapple, Taylor K.
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Chisholm, John
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Clarke, Christopher
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Clua, Eric G.
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Cochran, Jesse E. M.
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Crochelet, Estelle C.
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Dagorn, Laurent
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Daly, Ryan
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Sousa, Lara L.
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Simpson, Samantha J.
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Sims, David W.
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et al.
Queiroz, Nuno
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Humphries, Nicolas E.
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Couto, Ana
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Vedor, Marisa
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Da Costa, Ivo
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Sequeira, Ana M. M.
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Mucientes, Gonzalo
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Santos, António M.
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Abascal, Francisco J.
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Abercrombie, Debra L.
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Abrantes, Katya
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Acuña-Marrero, David
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Afonso, André S.
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Afonso, Pedro
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Anders, Darrell
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Araujo, Gonzalo
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Arauz, Randall
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Bach, Pascal
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Barnett, Adam
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Bernal, Diego
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Berumen, Michael L.
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Bessudo Lion, Sandra
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Bezerra, Natalia P. A.
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Blaison, Antonin V.
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Block, Barbara A.
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Bond, Mark E.
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Bonfil, Ramón
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Bradford, Russell W.
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Braun, Camrin D.
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Brooks, Edward J.
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Brooks, Annabelle
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Brown, Judith
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Bruce, Barry D.
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Byrne, Michael E.
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Campana, Steven E.
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Carlisle, Aaron B.
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Chapman, Demian D.
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Chapple, Taylor K.
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Chisholm, John
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Clarke, Christopher
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Clua, Eric G.
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Cochran, Jesse E. M.
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Crochelet, Estelle C.
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Dagorn, Laurent
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Daly, Ryan
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Sousa, Lara L.
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Simpson, Samantha J.
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Sims, David W.
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Queiroz, Nuno, Humphries, Nicolas E., Couto, Ana, Vedor, Marisa, Da Costa, Ivo, Sequeira, Ana M. M., Mucientes, Gonzalo, Santos, António M., Abascal, Francisco J., Abercrombie, Debra L., Abrantes, Katya, Acuña-Marrero, David, Afonso, André S., Afonso, Pedro, Anders, Darrell, Araujo, Gonzalo, Arauz, Randall, Bach, Pascal, Barnett, Adam, Bernal, Diego, Berumen, Michael L., Bessudo Lion, Sandra, Bezerra, Natalia P. A., Blaison, Antonin V., Block, Barbara A., Bond, Mark E., Bonfil, Ramón, Bradford, Russell W., Braun, Camrin D., Brooks, Edward J., Brooks, Annabelle, Brown, Judith, Bruce, Barry D., Byrne, Michael E., Campana, Steven E., Carlisle, Aaron B., Chapman, Demian D., Chapple, Taylor K., Chisholm, John, Clarke, Christopher, Clua, Eric G., Cochran, Jesse E. M., Crochelet, Estelle C., Dagorn, Laurent and Daly, Ryan , et al. (2019) Global spatial risk assessment of sharks under the footprint of fisheries. Nature, 572 (7770), 461-466. (doi:10.1038/s41586-019-1444-4).

Record type: Article

Abstract

Effective ocean management and the conservation of highly migratory species depend on resolving the overlap between animal movements and distributions, and fishing effort. However, this information is lacking at a global scale. Here we show, using a big-data approach that combines satellite-tracked movements of pelagic sharks and global fishing fleets, that 24% of the mean monthly space used by sharks falls under the footprint of pelagic longline fisheries. Space-use hotspots of commercially valuable sharks and of internationally protected species had the highest overlap with longlines (up to 76% and 64%, respectively), and were also associated with significant increases in fishing effort. We conclude that pelagic sharks have limited spatial refuge from current levels of fishing effort in marine areas beyond national jurisdictions (the high seas). Our results demonstrate an urgent need for conservation and management measures at high-seas hotspots of shark space use, and highlight the potential of simultaneous satellite surveillance of megafauna and fishers as a tool for near-real-time, dynamic management.

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Queiroz_etal_GlobalSharksFishingOverlap_Nature2019 - Accepted Manuscript
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Accepted/In Press date: 10 July 2019
e-pub ahead of print date: 24 July 2019
Published date: 22 August 2019

Identifiers

Local EPrints ID: 433923
URI: http://eprints.soton.ac.uk/id/eprint/433923
ISSN: 0028-0836
PURE UUID: 0f5640ea-c2f2-4c76-a34c-cce65c1d7637
ORCID for David W. Sims: ORCID iD orcid.org/0000-0002-0916-7363

Catalogue record

Date deposited: 06 Sep 2019 16:30
Last modified: 19 Jun 2024 01:45

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Contributors

Author: Nuno Queiroz
Author: Nicolas E. Humphries
Author: Ana Couto
Author: Marisa Vedor
Author: Ivo Da Costa
Author: Ana M. M. Sequeira
Author: Gonzalo Mucientes
Author: António M. Santos
Author: Francisco J. Abascal
Author: Debra L. Abercrombie
Author: Katya Abrantes
Author: David Acuña-Marrero
Author: André S. Afonso
Author: Pedro Afonso
Author: Darrell Anders
Author: Gonzalo Araujo
Author: Randall Arauz
Author: Pascal Bach
Author: Adam Barnett
Author: Diego Bernal
Author: Michael L. Berumen
Author: Sandra Bessudo Lion
Author: Natalia P. A. Bezerra
Author: Antonin V. Blaison
Author: Barbara A. Block
Author: Mark E. Bond
Author: Ramón Bonfil
Author: Russell W. Bradford
Author: Camrin D. Braun
Author: Edward J. Brooks
Author: Annabelle Brooks
Author: Judith Brown
Author: Barry D. Bruce
Author: Michael E. Byrne
Author: Steven E. Campana
Author: Aaron B. Carlisle
Author: Demian D. Chapman
Author: Taylor K. Chapple
Author: John Chisholm
Author: Christopher Clarke
Author: Eric G. Clua
Author: Jesse E. M. Cochran
Author: Estelle C. Crochelet
Author: Laurent Dagorn
Author: Ryan Daly
Author: Lara L. Sousa
Author: Samantha J. Simpson
Author: David W. Sims ORCID iD
Corporate Author: et al.

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