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A global perspective on the trophic geography of sharks 5
Bird, Christopher S.; Verissimo, Ana; Magozzi, Sarah; Abrantes, Katya G.; Aguilar, Alex; Al-reasi, Hassan; Barnett, Adam; Bethea, Dana M.; Biais, Gerard; Borrell, Asuncion; Bouchoucha, Marc; Boyle, Mariah; Brooks, Edward J.; Brunnschweiler, Juerg; Bustamante, Paco; Carlisle, Aaron; Catarino, Diana; Caut, Stephane; Cherel, Yves; Chouvelon, Tiphaine; Churchill, Diana; Ciancio, Javier; Claes, Julien; Colaco, Ana; Courtney, Dean L.; Cresson, Pierre; Daly, Ryan; De Necker, Leigh; Endo, Tetsuya; Figueiredo, Ivone; Frisch, Ashley J.; Hansen, Joan Holst; Heithaus, Michael; Hussey, Nigel E.; Iitembu, Johannes; Juanes, Francis; Kinney, Michael J.; Kiszka, Jeremy J.; Klarian, Sebastian A.; Kopp, Dorothee; Leaf, Robert; Li, Yunkai; Lorrain, Anne; Madigan, Daniel J.; Maljkovic, Aleksandra; Malpica-cruz, Luis; Matich, Philip; Meekan, Mark G.; Menard, Frederic; Menezes, Gui M.; Munroe, Samantha E. M.; Newman, Michael C.; Papastamatiou, Yannis P.; Pethybridge, Heidi; Plumlee, Jeffrey D.; Polo-silva, Carlos; Quaeck-davies, Katie; Raoult, Vincent; Reum, Jonathan; Torres-rojas, Yassir Eden; Shiffman, David S.; Shipley, Oliver N.; Speed, Conrad W.; Staudinger, Michelle D.; Teffer, Amy K.; Tilley, Alexander; Valls, Maria; Vaudo, Jeremy J.; Wai, Tak-cheung; Wells, R. J. David; Wyatt, Alex S. J.; Yool, Andrew; Trueman, Clive N..
Sharks are a diverse group of mobile predators that forage across varied spatial scales and have the potential to influence food web dynamics. The ecological consequences of recent declines in shark biomass may extend across broader geographic ranges if shark taxa display common behavioural traits. By tracking the original site of photosynthetic fixation of carbon atoms that were ultimately assimilated into muscle tissues of 5,394 sharks from 114 species, we identify globally consistent biogeographic traits in trophic interactions between sharks found in different habitats. We show that populations of shelf-dwelling sharks derive a substantial proportion of their carbon from regional pelagic sources, but contain individuals that forage within additional...
Tipo: Text
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00420/53141/54249.pdf
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Global spatial risk assessment of sharks under the footprint of fisheries 5
Queiroz, Nuno; Humphries, Nicolas E.; Couto, Ana; Vedor, Marisa; Da Costa, Ivo; Sequeira, Ana M. M.; Mucientes, Gonzalo; Santos, Antonio M; Abascal, Francisco J.; Abercrombie, Debra L.; Abrantes, Katya; Acuna-marrero, David; Afonso, Andre S.; Afonso, Pedro; Anders, Darrell; Araujo, Gonzalo; Arauz, Randall; Bach, Pascal; Barnett, Adam; Bernal, Diego; Berumen, Michael L.; Lion, Sandra Bessudo; Bezerra, Natalia P. A.; Blaison, Antonin V.; Block, Barbara A.; Bond, Mark E.; Bonfil, Ramon; 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 R.; Clua, Eric G.; Cochran, Jesse E. M.; Crochelet, Estelle C.; Dagorn, Laurent; Daly, Ryan; Cortes, Daniel Devia; Doyle, Thomas K.; Drew, Michael; Duffy, Clinton A. J.; Erikson, Thor; Espinoza, Eduardo; Ferreira, Luciana C.; Ferretti, Francesco; Filmalter, John D.; Fischer, G. Chris; Fitzpatrick, Richard; Fontes, Jorge; Forget, Fabien; Fowler, Mark; Francis, Malcolm P.; Gallagher, Austin J.; Gennari, Enrico; Goldsworthy, Simon D.; Gollock, Matthew J.; Green, Jonathan R.; Gustafson, Johan A.; Guttridge, Tristan L.; Guzman, Hector M.; Hammerschlag, Neil; Harman, Luke; Hazin, Fabio H. V.; Heard, Matthew; Hearn, Alex R.; Holdsworth, John C.; Holmes, Bonnie J.; Howey, Lucy A.; Hoyos, Mauricio; Hueter, Robert E.; Hussey, Nigel E.; Huveneers, Charlie; Irion, Dylan T.; Jacoby, David M. P.; Jewell, Oliver J. D.; Johnson, Ryan; Jordan, Lance K. B.; Jorgensen, Salvador J.; Joyce, Warren; Daly, Clare A. Keating; Ketchum, James T.; Klimley, A. Peter; Kock, Alison A.; Koen, Pieter; Ladino, Felipe; Lana, Fernanda O.; Lea, James S. E.; Llewellyn, Fiona; Lyon, Warrick S.; Macdonnell, Anna; Macena, Bruno C. L.; Marshall, Heather; Mcallister, Jaime D.; Mcauley, Rory; Meyer, Michael A.; Morris, John J.; Nelson, Emily R.; Papastamatiou, Yannis P.; Patterson, Toby A.; Penaherrera-palma, Cesar; Pepperell, Julian G.; Pierce, Simon J.; Poisson, Francois; Quintero, Lina Maria; Richardson, Andrew J.; Rogers, Paul J.; Rohner, Christoph A.; Rowat, David R. L.; Samoilys, Melita; Semmens, Jayson M.; Sheaves, Marcus; Shillinger, George; Shivji, Mahmood; Singh, Sarika; Skomal, Gregory B.; Smale, Malcolm J.; Snyders, Laurenne B.; Soler, German; Soria, Marc; Stehfest, Kilian M.; Stevens, John D.; Thorrold, Simon R.; Tolotti, Mariana T.; Towner, Alison; Travassos, Paulo; Tyminski, John P.; Vandeperre, Frederic; Vaudo, Jeremy J.; Watanabe, Yuuki Y.; Weber, Sam B.; Wetherbee, Bradley M.; White, Timothy D.; Williams, Sean; Zarate, Patricia M.; Harcourt, Robert; Hays, Graeme C.; Meekan, Mark G.; Thums, Michele; Irigoien, Xabier; Eguiluz, Victor M.; Duarte, Carlos M.; Sousa, Lara L.; Simpson, Samantha J.; Southall, Emily J.; Sims, David W..
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...
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Ano: 2019 URL: https://archimer.ifremer.fr/doc/00575/68662/67587.pdf
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Global status and conservation potential of reef sharks 5
Macneil, M. Aaron; Chapman, Demian D.; Heupel, Michelle; Simpfendorfer, Colin A.; Heithaus, Michael; Meekan, Mark; Harvey, Euan; Goetze, Jordan; Kiszka, Jeremy; Bond, Mark E.; Currey-randall, Leanne M.; Speed, Conrad W.; Sherman, C. Samantha; Rees, Matthew J.; Udyawer, Vinay; Flowers, Kathryn I.; Clementi, Gina; Valentin-albanese, Jasmine; Gorham, Taylor; Adam, M. Shiham; Ali, Khadeeja; Pina-amargos, Fabian; Angulo-valdes, Jorge A.; Asher, Jacob; Barcia, Laura Garcia; Beaufort, Oceane; Benjamin, Cecilie; Bernard, Anthony T. F.; Berumen, Michael L.; Bierwagen, Stacy; Bonnema, Erika; Bown, Rosalind M. K.; Bradley, Darcey; Brooks, Edd; Brown, J. Jed; Buddo, Dayne; Burke, Patrick; Caceres, Camila; Cardenosa, Diego; Carrier, Jeffrey C.; Caselle, Jennifer E.; Charloo, Venkatesh; Claverie, Thomas; Clua, Eric; Cochran, Jesse E. M.; Cook, Neil; Cramp, Jessica; D'Alberto, Brooke; De Graaf, Martin; Dornhege, Mareike; Estep, Andy; Fanovich, Lanya; Farabough, Naomi F.; Fernando, Daniel; Flam, Anna L.; Floros, Camilla; Fourqurean, Virginia; Garla, Ricardo; Gastrich, Kirk; George, Lachlan; Graham, Rory; Guttridge, Tristan; Hardenstine, Royale S.; Heck, Stephen; Henderson, Aaron C.; Hertler, Heidi; Hueter, Robert; Johnson, Mohini; Jupiter, Stacy; Kasana, Devanshi; Kessel, Steven T.; Kiilu, Benedict; Kirata, Taratu; Kuguru, Baraka; Kyne, Fabian; Langlois, Tim; Ledee, Elodie J. I.; Lindfield, Steve; Luna-acosta, Andrea; Maggs, Jade; Manjaji-matsumoto, B. Mabel; Marshall, Andrea; Matich, Philip; Mccombs, Erin; Mclean, Dianne; Meggs, Llewelyn; Moore, Stephen; Mukherji, Sushmita; Murray, Ryan; Kaimuddin, Muslimin; Newman, Stephen J.; Nogues, Josep; Obota, Clay; O'Shea, Owen; Osuka, Kennedy; Papastamatiou, Yannis P.; Perera, Nishan; Peterson, Bradley; Ponzo, Alessandro; Prasetyo, Andhika; Quamar, L. M. Sjamsul; Quinlan, Jessica; Ruiz-abierno, Alexei; Sala, Enric; Samoilys, Melita; Scharer-umpierre, Michelle; Schlaff, Audrey; Simpson, Nikola; Smith, Adam N. H.; Sparks, Lauren; Tanna, Akshay; Torres, Ruben; Travers, Marie-agnes; Van Zinnicq Bergmann, Maurits; Vigliola, Laurent; Ward, Juney; Watts, Alexandra M.; Wen, Colin; Whitman, Elizabeth; Wirsing, Aaron J.; Wothke, Aljoscha; Zarza-gonzalez, Esteban; Cinner, Joshua E..
Decades of overexploitation have devastated shark populations, leaving considerable doubt as to their ecological status1,2. Yet much of what is known about sharks has been inferred from catch records in industrial fisheries, whereas far less information is available about sharks that live in coastal habitats3. Here we address this knowledge gap using data from more than 15,000 standardized baited remote underwater video stations that were deployed on 371 reefs in 58 nations to estimate the conservation status of reef sharks globally. Our results reveal the profound impact that fishing has had on reef shark populations: we observed no sharks on almost 20% of the surveyed reefs. Reef sharks were almost completely absent from reefs in several nations, and...
Tipo: Text
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00644/75627/83233.pdf
Registros recuperados: 3
Primeira ... 1 ... Última
 

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