A global perspective on the trophic geography of sharks
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Date | 2018-02 | ||||||||||||||||||||||||
Language | English | ||||||||||||||||||||||||
Author(s) | Bird Christopher S.1, 70, Verissimo Ana![]() ![]() ![]() ![]() ![]() |
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Affiliation(s) | 1 : Univ Southampton, Ocean & Earth Sci, Natl Oceanog Ctr, Southampton, Hants, England. 2 : CIBIO Res Ctr Biodivers & Genet Resources, Vairao, Portugal. 3 : Virginia Inst Marine Sci, Gloucester Point, VA 23062 USA. 4 : James Cook Univ, Coll Sci & Engn, Cairns, Qld, Australia. 5 : Univ Barcelona, Dept Evolutionary Biol Ecol & Environm Sci, IRBio, Barcelona, Spain. 6 : Sultan Qaboos Univ, Dept Biol, Coll Sci, Muscat, Oman. 7 : Natl Marine Fisheries Serv, NOAA, Southeast Fisheries Sci Ctr, 3500 Delwood Beach Rd, Panama City, FL USA. 8 : IFREMER, Lab Ressources Halieut La Rochelle, Unite Halieut Gascogne Sud, Lhoumeau, France. 9 : IFREMER, Unite Littoral, Lab Environm Ressources Prov Azur Corse, La Seyne Sur Mer, France. 10 : FishWise, Santa Cruz, CA USA. 11 : Cape Eleuthera Inst, Shark Res & Conservat Program, Eleuthera, Bahamas. 12 : Gladbachstr 60, Zurich, Switzerland. 13 : Univ La Rochelle, UMR 7266, Littoral Environm & Soc LIENSs, La Rochelle, France. 14 : Stanford Univ, Hopkins Marine Stn, Pacific Grove, CA 93950 USA. 15 : Univ Azores, Dept Oceanog & Fisheries, MARE Marine & Environm Sci Ctr, Azores, Portugal. 16 : CSIC, Estn Biol Donana, Seville, Spain. 17 : Univ La Rochelle, UMR 7372, Ctr Etud Biol Chize, CNRS, Villiers En Bois, France. 18 : Lab Biogeochim Contaminants Met, Unite Biogeochim & Ecotoxicol, Nantes, France. 19 : Florida Int Univ, Sch Environm Arts & Soc, Marine Sci Program, North Miami, FL USA. 20 : Consejo Nacl Invest Cient & Tecn, CESIMAR Ctr Nacl Patagon, Puerto Madryn, Chubut, Argentina. 21 : Catholic Univ Louvain, Earth & Life Inst, Lab Biol Marine, Louvain La Neuve, Belgium. 22 : Univ Alaska Fairbanks, Coll Fisheries & Ocean Sci, Juneau Ctr, Point Lena Loop Rd, Juneau, AK USA. 23 : IFREMER, Lab Ressources Halieut Boulogne, Unite Halieut Manche Mer Nord, Boulogne Sur Mer, France. 24 : Port Elizabeth Museum Bayworld, Port Elizabeth, South Africa. 25 : SOSF, DRC, Geneva, Switzerland. 26 : Univ Cape Town, Dept Biol Sci, Cape Town, South Africa. 27 : Hlth Sci Univ Hokkaido, Sch Pharmaceut Sci, Tobetsu, Hokkaido, Japan. 28 : Dept Mar IPMA, Lisbon, Portugal. 29 : Great Barrier Reef Marine Pk Author, Reef HQ, Townsville, Qld, Australia. 30 : Aarhus Univ, Dept Biosci, Aquat Biol, Aarhus C, Denmark. 31 : Florida Int Univ, Sch Environm Arts & Soc, North Miami, FL USA. 32 : Univ Windsor, Biol Sci, Windsor, ON, Canada. 33 : Univ Namibia, Dept Fisheries & Aquat Sci, Henties Bay, Namibia. 34 : Univ Victoria, Dept Biol, Victoria, BC, Canada. 35 : Natl Marine Fisheries Serv, Ocean Associates Inc, Southwest Fisheries Sci Ctr, NOAA, La Jolla, CA USA. 36 : Florida Int Univ, Dept Biol Sci, Marine Sci Program, North Miami, FL USA. 37 : Univ Andres Bello, Fac Ecol & Recursos Nat, Ctr Invest Sustentabilidad, Santiago, Chile. 38 : IFREMER, Unite Sci & Tech Halieut, Lab Technol & Biol Halieut, Lorient, France. 39 : Univ Southern Mississippi, Div Coastal Sci, Ocean Springs, MS USA. 40 : Shanghai Ocean Univ, Coll Marine Sci, Shanghai, Peoples R China. 41 : IFREMER, IRD, CNRS, UBO,R LEMAR 195,UMR 6539, Noumea, New Caledonia. 42 : Harvard Univ, Ctr Environm, Cambridge, MA 02138 USA. 43 : Simon Fraser Univ, Dept Biol Sci, Burnaby, BC, Canada. 44 : Simon Fraser Univ, Dept Biol Sci, Earth Ocean Res Grp, Burnaby, BC, Canada. 45 : Florida Int Univ, Marine Sci Program, North Miami, FL USA. 46 : Sam Houston State Univ, Texas Res Inst Environm Studies, Huntsville, TX 77340 USA. 47 : Univ Western Australia, Australian Inst Marine Sci, Indian Ocean Marine Res Ctr, Perth, Australia. 48 : Aix Marseille Univ, Univ Toulon, MIO, CNRS,IRD, F-13288 Marseille, France. 49 : Griffith Univ, Australian Rivers Inst, Nathan, Qld, Australia. 50 : Coll William & Mary, Virginia Inst Marine Sci, Dept Environm & Aquat Anim Hlth, Gloucester Point, VA 23062 USA. 51 : Florida Int Univ, Dept Biol Sci, North Miami, FL USA. 52 : Univ St Andrews, Sch Biol, Scottish Oceans Inst, St Andrews, Fife, Scotland. 53 : CSIRO Oceans & Atmosphere, Hobart, Tas, Australia. 54 : Texas A&M Univ, Dept Marine Biol, Galveston, TX 77553 USA. 55 : Texas A&M Univ, Dept Wildlife & Fisheries Sci, College Stn, TX 77843 USA. 56 : Univ Bogota Jorge Tadeo Lozano Marina, Programa Biol, Fac Ciencias Nat & Ingn, Bogota, Colombia. 57 : Univ Newcastle, Dept Environm & Life Sci, Newcastle, NSW, Australia. 58 : Natl Marine Fisheries Serv, Conservat Biol Div, Northwest Fisheries Sci Ctr, NOAA, Seattle, WA USA. 59 : UAC, Inst Ecol Pesquerias & Oceanog Golfo Mexico EPOME, Campeche, Campeche, Mexico. 60 : Simon Fraser Univ, Dept Biol Sci, Earth Oceans Grp, Burnaby, BC, Canada. 61 : SUNY Stony Brook, Sch Marine & Atmospher Sci, Stony Brook, NY 11794 USA. 62 : Univ Massachusetts, Dept Environm Conservat, Amherst, MA 01003 USA. 63 : Northeast Climate Sci Ctr, Dept Interior, Amherst, MA USA. 64 : WorldFish Timor Leste, Dili, Timor-Leste. 65 : Inst Espanol Oceanog, Ctr Oceanog Balears, Palma De Mallorca, Spain. 66 : Nova Southeastern Univ, Guy Harvey Res Inst, Dania, FL USA. 67 : City Univ Hong Kong, State Key Lab Marine Pollut, Kowloon, Hong Kong, Peoples R China. 68 : Univ Tokyo, Atmosphere & Ocean Res Inst, Dept Chem Oceanog, Kashiwa, Chiba, Japan. 69 : Natl Oceanog Ctr Southampton, Southampton, Hants, England. 70 : CEFAS, Lowestoft, Suffolk, England. 71 : Natl Marine Fisheries Serv, NOAA, Southeast Reg Off, St Petersburg, FL USA. 72 : NOAA, Southeast Fisheries Sci Ctr, Panama City Lab, Delwood Beach Rd, Panama City, FL USA. |
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Source | Nature Ecology & Evolution (2397-334X) (Nature Publishing Group), 2018-02 , Vol. 2 , N. 2 , P. 299-305 | ||||||||||||||||||||||||
DOI | 10.1038/s41559-017-0432-z | ||||||||||||||||||||||||
WOS© Times Cited | 89 | ||||||||||||||||||||||||
Abstract | 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 isotopically diverse local food webs, such as those supported by terrestrial plant sources, benthic production and macrophytes. In contrast, oceanic sharks seem to use carbon derived from between 30° and 50° of latitude. Global-scale compilations of stable isotope data combined with biogeochemical modelling generate hypotheses regarding animal behaviours that can be tested with other methodological approaches. |
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