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Global spatial risk assessment of sharks under the footprint of fisheries

Queiroz, N, Humphries, NE, Couto, A, Vedor, M, da Costa, I, Sequeira, AMM, Mucientes, G, Santos, AM, Abascal, FJ, Abercrombie, DL, Abrantes, K, Acuna-Marrero, D, Afonso, AS, Afonso, P, Anders, D, Araujo, G, Arauz, R, Bach, P, Barnett, A, Bernal, D, Berumen, ML, Bessudo Lion, S, Bezzera, NPA, Blaison, AV, Block, BA, Bond, ME, Bonfil, R, Bradford, RW, Braun, CD, Brooks, EJ, Brooks, A, Brown, J, Bruce, BD, Byrne, ME, Campana, SE, Carlisle, AB, Chapman, DD, Chapple, TK, Chisholm, J, Clarke, CR, Clua, EG, Cochran, JEM, Crochelet, EC, Dagorn, L, Daly, R, Devia Cortes, D, Doyle, TK, Drew, M, Duffy, CAJ, Erikson, T, Espinoza, E, Ferreira, LC, Ferretti, F, Fischer, GC, Fitzpatrick, R, Fontes, J, Forget, F, Fowler, M, Francis, MP, Gallagher, AJ, Gennari, E, Goldsworthy, SD, Gollock, MJ, Green, JR, Gustafson, JA, Guttridge, TL, Guzman, HR, Hammerschlag, N, Harman, L, Hazin, FHV, Heard, M, Hearn, AR, Holdsworth, JC, Holmes, BJ, Howey, LA, Hoyos, M, Hueter, RE, Hussey, NE, Huveneers, C, Irion, DT, Jacoby, DMP, Jewell, OJD, Johnson, R, Jordan, LKB, Jorgensen, SJ, Joyce, W, Keating Daly, CA, Ketchum, JT, Klimley, AP, Kock, AA, Koen, P, Ladino, F, Lana, FO, Lea, JSE, Llewellyn, F, Lyon, WS, MacDonnell, A, Macena, BCL, Marshall, H, McAllister, JD, McAuley, R, Meyer, MA, Morris, JJ, Nelson, ER, Papastamatiou, YP, Patterson, TA, Penaherrera-Palma, C, Pepperell, JG, Pierce, SJ, Poisson, F, Quintero, LM, Richardson, AJ, Rogers, PJ, Rohner, CA, Rowat, DRL, Samoilys, M, Semmens, JM ORCID: 0000-0003-1742-6692, Sheaves, M, Shillinger, G, Shivji, M, Singh, S, Skomal, GB, Smale, MJ, Snyders, LB, Soler, G, Soria, M, Stehfest, KM ORCID: 0000-0002-6371-9296, Stevens, JD, Thorrold, SR, Tolotti, MT, Towner, A, Travassos, P, Tyminski, JP, Vandeperre, F, Vaudo, Jj, Watanabe, YY, Weber, SB, Wetherbee, BM, White, TD, Williams, S, Zarate, PM, Harcourt, R, Hays, GC, Meekan, MG, Thums, M, Irigoien, X, Eguiluz, VM, Duarte, CM, Sousa, LL, Simpson, SJ, Southall, EJ and Sims, DW 2019 , 'Global spatial risk assessment of sharks under the footprint of fisheries' , Nature, vol. 572, no. 7770 , 461–466 , doi: 10.1038/s41586-019-1444-4.

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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.

Item Type: Article
Authors/Creators:Queiroz, N and Humphries, NE and Couto, A and Vedor, M and da Costa, I and Sequeira, AMM and Mucientes, G and Santos, AM and Abascal, FJ and Abercrombie, DL and Abrantes, K and Acuna-Marrero, D and Afonso, AS and Afonso, P and Anders, D and Araujo, G and Arauz, R and Bach, P and Barnett, A and Bernal, D and Berumen, ML and Bessudo Lion, S and Bezzera, NPA and Blaison, AV and Block, BA and Bond, ME and Bonfil, R and Bradford, RW and Braun, CD and Brooks, EJ and Brooks, A and Brown, J and Bruce, BD and Byrne, ME and Campana, SE and Carlisle, AB and Chapman, DD and Chapple, TK and Chisholm, J and Clarke, CR and Clua, EG and Cochran, JEM and Crochelet, EC and Dagorn, L and Daly, R and Devia Cortes, D and Doyle, TK and Drew, M and Duffy, CAJ and Erikson, T and Espinoza, E and Ferreira, LC and Ferretti, F and Fischer, GC and Fitzpatrick, R and Fontes, J and Forget, F and Fowler, M and Francis, MP and Gallagher, AJ and Gennari, E and Goldsworthy, SD and Gollock, MJ and Green, JR and Gustafson, JA and Guttridge, TL and Guzman, HR and Hammerschlag, N and Harman, L and Hazin, FHV and Heard, M and Hearn, AR and Holdsworth, JC and Holmes, BJ and Howey, LA and Hoyos, M and Hueter, RE and Hussey, NE and Huveneers, C and Irion, DT and Jacoby, DMP and Jewell, OJD and Johnson, R and Jordan, LKB and Jorgensen, SJ and Joyce, W and Keating Daly, CA and Ketchum, JT and Klimley, AP and Kock, AA and Koen, P and Ladino, F and Lana, FO and Lea, JSE and Llewellyn, F and Lyon, WS and MacDonnell, A and Macena, BCL and Marshall, H and McAllister, JD and McAuley, R and Meyer, MA and Morris, JJ and Nelson, ER and Papastamatiou, YP and Patterson, TA and Penaherrera-Palma, C and Pepperell, JG and Pierce, SJ and Poisson, F and Quintero, LM and Richardson, AJ and Rogers, PJ and Rohner, CA and Rowat, DRL and Samoilys, M and Semmens, JM and Sheaves, M and Shillinger, G and Shivji, M and Singh, S and Skomal, GB and Smale, MJ and Snyders, LB and Soler, G and Soria, M and Stehfest, KM and Stevens, JD and Thorrold, SR and Tolotti, MT and Towner, A and Travassos, P and Tyminski, JP and Vandeperre, F and Vaudo, Jj and Watanabe, YY and Weber, SB and Wetherbee, BM and White, TD and Williams, S and Zarate, PM and Harcourt, R and Hays, GC and Meekan, MG and Thums, M and Irigoien, X and Eguiluz, VM and Duarte, CM and Sousa, LL and Simpson, SJ and Southall, EJ and Sims, DW
Keywords: conservation, migratory species, fishing footprint, satellite-tracking, pelagic sharks, global fishing fleets, high-seas hotspots of shark space use
Journal or Publication Title: Nature
Publisher: Nature Publishing Group
ISSN: 0028-0836
DOI / ID Number: 10.1038/s41586-019-1444-4
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Copyright 2019 the authors

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