A global perspective on the trophic geography of sharks

Christopher S. Bird, Ana Veríssimo, Sarah Magozzi, Kátya G. Abrantes, Alex Aguilar, Hassan Al-Reasi, Adam Barnett, Dana M. Bethea, Gérard Biais, Asuncion Borrell, Marc Bouchoucha, Mariah Boyle, Edward J. Brooks, Juerg Brunnschweiler, Paco Bustamante, Aaron Carlisle, Diana Catarino, Stéphane Caut, Yves Cherel, Tiphaine Chouvelon & 30 others Diana Churchill, Javier Ciancio, Julien Claes, Ana Colaço, Dean L. Courtney, Pierre Cresson, Ryan Daly, Leigh De Necker, Tetsuya Endo, Ivone Figueiredo, Ashley J. Frisch, Joan Holst Hansen, Michael Heithaus, Nigel E. Hussey, Johannes Iitembu, Francis Juanes, Michael J. Kinney, Jeremy J. Kiszka, Sebastian A. Klarian, Dorothée Kopp, Robert Leaf, Yunkai Li, Anne Lorrain, Daniel J. Madigan, Aleksandra Maljković, Luis Malpica-Cruz, Philip Matich, Mark G. Meekan, Frédéric Ménard, Gui M. Menezes

Research output: Contribution to journalArticle

23 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)299-305
Number of pages7
JournalNature Ecology and Evolution
Volume2
Issue number2
DOIs
Publication statusPublished - Feb 1 2018

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global perspective
geography
shark
sharks
food webs
food web
forage
carbon
trophic interaction
muscle tissues
macrophytes
animal behavior
stable isotopes
fixation
environmental impact
muscle
stable isotope
predator
predators
biomass

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology

Cite this

Bird, C. S., Veríssimo, A., Magozzi, S., Abrantes, K. G., Aguilar, A., Al-Reasi, H., ... Menezes, G. M. (2018). A global perspective on the trophic geography of sharks. Nature Ecology and Evolution, 2(2), 299-305. https://doi.org/10.1038/s41559-017-0432-z

A global perspective on the trophic geography of sharks. / Bird, Christopher S.; Veríssimo, Ana; Magozzi, Sarah; Abrantes, Kátya G.; Aguilar, Alex; Al-Reasi, Hassan; Barnett, Adam; Bethea, Dana M.; Biais, Gérard; Borrell, Asuncion; Bouchoucha, Marc; Boyle, Mariah; Brooks, Edward J.; Brunnschweiler, Juerg; Bustamante, Paco; Carlisle, Aaron; Catarino, Diana; Caut, Stéphane; Cherel, Yves; Chouvelon, Tiphaine; Churchill, Diana; Ciancio, Javier; Claes, Julien; Colaço, 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, Dorothée; Leaf, Robert; Li, Yunkai; Lorrain, Anne; Madigan, Daniel J.; Maljković, Aleksandra; Malpica-Cruz, Luis; Matich, Philip; Meekan, Mark G.; Ménard, Frédéric; Menezes, Gui M.

In: Nature Ecology and Evolution, Vol. 2, No. 2, 01.02.2018, p. 299-305.

Research output: Contribution to journalArticle

Bird, CS, Veríssimo, A, Magozzi, S, Abrantes, KG, Aguilar, A, Al-Reasi, H, Barnett, A, Bethea, DM, Biais, G, Borrell, A, Bouchoucha, M, Boyle, M, Brooks, EJ, Brunnschweiler, J, Bustamante, P, Carlisle, A, Catarino, D, Caut, S, Cherel, Y, Chouvelon, T, Churchill, D, Ciancio, J, Claes, J, Colaço, A, Courtney, DL, Cresson, P, Daly, R, De Necker, L, Endo, T, Figueiredo, I, Frisch, AJ, Hansen, JH, Heithaus, M, Hussey, NE, Iitembu, J, Juanes, F, Kinney, MJ, Kiszka, JJ, Klarian, SA, Kopp, D, Leaf, R, Li, Y, Lorrain, A, Madigan, DJ, Maljković, A, Malpica-Cruz, L, Matich, P, Meekan, MG, Ménard, F & Menezes, GM 2018, 'A global perspective on the trophic geography of sharks', Nature Ecology and Evolution, vol. 2, no. 2, pp. 299-305. https://doi.org/10.1038/s41559-017-0432-z
Bird CS, Veríssimo A, Magozzi S, Abrantes KG, Aguilar A, Al-Reasi H et al. A global perspective on the trophic geography of sharks. Nature Ecology and Evolution. 2018 Feb 1;2(2):299-305. https://doi.org/10.1038/s41559-017-0432-z
Bird, Christopher S. ; Veríssimo, Ana ; Magozzi, Sarah ; Abrantes, Kátya G. ; Aguilar, Alex ; Al-Reasi, Hassan ; Barnett, Adam ; Bethea, Dana M. ; Biais, Gérard ; Borrell, Asuncion ; Bouchoucha, Marc ; Boyle, Mariah ; Brooks, Edward J. ; Brunnschweiler, Juerg ; Bustamante, Paco ; Carlisle, Aaron ; Catarino, Diana ; Caut, Stéphane ; Cherel, Yves ; Chouvelon, Tiphaine ; Churchill, Diana ; Ciancio, Javier ; Claes, Julien ; Colaço, 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, Dorothée ; Leaf, Robert ; Li, Yunkai ; Lorrain, Anne ; Madigan, Daniel J. ; Maljković, Aleksandra ; Malpica-Cruz, Luis ; Matich, Philip ; Meekan, Mark G. ; Ménard, Frédéric ; Menezes, Gui M. / A global perspective on the trophic geography of sharks. In: Nature Ecology and Evolution. 2018 ; Vol. 2, No. 2. pp. 299-305.
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