Trophic structure and community stability in an overfished ecosystem
AuthorsUtne-Palm, Anne Christine
Salvanes, Anne Gro Vea
Nilsson, Göran E.
Braithwaite, Victoria A.
Stecyk, Jonathan A W
Van Der Bank, Megan G.
Flynn, Bradley A.
Sandvik, Guro Katrine
Klevjer, Thor Aleksander
Sweetman, Andrew K.
Pittman, Karin A.
Peard, Kathleen R.
Lunde, Ida Gjervold
Strandaba, R. A U
Gibbons, Mark J.
KAUST DepartmentBiological and Environmental Sciences and Engineering (BESE) Division
Marine Science Program
Online Publication Date2010-07-15
Print Publication Date2010-07-16
Permanent link to this recordhttp://hdl.handle.net/10754/561493
MetadataShow full item record
AbstractSince the collapse of the pelagic fisheries off southwest Africa in the late 1960s, jellyfish biomass has increased and the structure of the Benguelan fish community has shifted, making the bearded goby (Sufflogobius bibarbatus) the new predominant prey species. Despite increased prédation pressure and a harsh environment, the gobies are thriving. Here we show that physiological adaptations and antipredator and foraging behaviors underpin the success of these fish. In particular, body-tissue isotope signatures reveal that gobies consume jellyfish and sulphidic diatomaceous mud, transferring "dead-end" resources back into the food chain.
CitationUtne-Palm, A. C., Salvanes, A. G. V., Currie, B., Kaartvedt, S., Nilsson, G. E., Braithwaite, V. A., … Gibbons, M. J. (2010). Trophic Structure and Community Stability in an Overfished Ecosystem. Science, 329(5989), 333–336. doi:10.1126/science.1190708
SponsorsWe thank the crew of the G. O. Sars; F. Midtoy for assistance; and P. Ellitson, M. Hordnes, R. Jones, R. Amundsen and the rest of the scientific crew. We thank the National Research Foundation of South Africa, the Research Council of Norway, and our home institutions for funding and support. We thank BENEFIT (Benguela Environment Fisheries Interaction and Training), S. Sundby, D. C. Boyer, J. Otto Krakstad, and the crew of the research vessel Dr. Fridtjof Nansen for support with earlier goby cruises, laying the basis for the present study. We thank K. Helge Jensen for statistical support. We appreciate the comments on this manuscript by J. Giske, C. Jorgensen, M. P. Heino, and the anonymous reviewers. Care and handling of experimental animals were performed in accordance with institutional guidelines. J. A. W. S. was a postdoctoral researcher funded by the Natural Sciences and Engineering Reserach Council of Canada at the time when the research was conducted.
- Ecology. How a little fish keeps overfished ecosystem productive.
- Authors: Pennisi E
- Issue date: 2010 Jul 16
- Biomass, size, and trophic status of top predators in the Pacific Ocean.
- Authors: Sibert J, Hampton J, Kleiber P, Maunder M
- Issue date: 2006 Dec 15
- Adaptation to hypoxic environments; bearded gobies Sufflogobius bibarbatus in the Benguela upwelling ecosystem.
- Authors: Salvanes AGV, Gibbons MJ
- Issue date: 2018 Mar
- Jellyfish overtake fish in a heavily fished ecosystem.
- Authors: Lynam CP, Gibbons MJ, Axelsen BE, Sparks CA, Coetzee J, Heywood BG, Brierley AS
- Issue date: 2006 Jul 11
- From plankton to top predators: bottom-up control of a marine food web across four trophic levels.
- Authors: Frederiksen M, Edwards M, Richardson AJ, Halliday NC, Wanless S
- Issue date: 2006 Nov