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Reply to: Shark mortality cannot be assessed by fishery overlap alone

[...]we account for selectivity by focusing our fisheries-independent spatial estimates directly on individuals that were actually caught by the focal fisheries. [...]the commercially valuable sharks that we tracked are seldom discarded by major high-seas longlining fleets8, indicating that an impli...

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Published in:Nature (London) 2021-07, Vol.595 (7866), p.E8-2
Main Authors: 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, Afonso, André S, Anders, Darrell, Araujo, Gonzalo, Bach, Pascal, Barnett, Adam, Bernal, Diego, Bezerra, Natalia P A, Blaison, Antonin V, Bradford, Russell W, Braun, Camrin D, Brooks, Edward J, Brooks, Annabelle, Brown, Judith, Bruce, Barry D, Campana, Steven E, Carlisle, Aaron B, Chapple, Taylor K, Chisholm, John, Clua, Eric G, JeCochran, Jesse E M, Crochelet, Estelle C, Dagorn, Laurent, Daly, Ryan, Cortés, Daniel Devia, Doyle, Thomas K, Duffy, Clinton A J, Espinoza, Eduardo, Ferreira, Luciana C, Ferretti, Francesco, Filmalter, John D, Fischer, G Chris, Fitzpatrick, Richard, Fontes, Jorge, get, Fabien, Francis, Malcolm P, Gallagher, Austin J, Goldsworthy, Simon D, Gollock, Matthew J, Green, Jonathan R, Harman, Luke, Hazin, Fábio H V, Hearn, Alex R, Howey, Lucy A, Hueter, Robert E, Hussey, Nigel E, Huveneers, Charlie, Jacoby, David M P, Jewell, Oliver J D, Johnson, Ryan, Jordan, Lance K B, Joyce, Warren, Ketchum, James T, Klimley, A Peter, Kock, Alison A, MacDonnell, Anna, Bruno, C L, Marshall, Heather, McAllister, Jaime D, Meyer, Michael A, Nelson, Emily R, Papastamatiou, Yannis P, Peñaherrera-Palma, Cesar, Poisson, Francois, Richardson, Andrew J, Rogers, Paul J, Rohner, Christoph A, Rowat, David R L, Samoilys, Melita, Semmens, Jayson M, Sheaves, Marcus, Shivji, Mahmood, Singh, Sarika, Skomal, Gregory B, Smale, Malcolm J, Snyders, Laurenne B, Thorrold, Simon R, Tolotti, Mariana T, Travassos, Paulo, Tyminski, John P, Vaudo, Jeremy J, Weber, Sam B, White, Timothy D, Williams, Sean, Zárate, Patricia M, Harcourt, Robert, Meekan, Mark G, Eguiluz, Victor M, Duarte, Carlos M, Simpson, Samantha J
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Language:English
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Summary:[...]we account for selectivity by focusing our fisheries-independent spatial estimates directly on individuals that were actually caught by the focal fisheries. [...]the commercially valuable sharks that we tracked are seldom discarded by major high-seas longlining fleets8, indicating that an implicit assumption of a fishing mortality probability of one does not substantially overestimate the mortality that occurs. Regarding FEI being related to fishing-induced shark mortality, we stated1 that the significant positive relationship between Food and Agriculture Organization (FAO) fishery landings data and individual-species mean FEI "implies that the index reflects fishing-induced shark mortality". [...]we disagree that our analyses do not support our conclusion of limited spatial refuge for pelagic sharks from current levels of fishing effort in Areas Beyond National Jurisdictions (ABNJs).
ISSN:0028-0836
1476-4687
DOI:10.1038/s41586-021-03396-4