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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.
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| one publication added to basket [210820] |
Biodiversity change after climate-induced ice-shelf collapse in the Antarctic
Gutt, J.; Barratt, I.; Domack, E.; d'Acoz, C.D.; Dimmler, W.; Gremare, A.; Heilmayer, O.; Isla, E.; Janussen, D.; Jorgensen, E.; Kock, K.H.; Lehnert, L.S.; Lopez-Gonzales, P.; Langner, S.; Linse, K.; Manjon-Cabeza, M.E.; Meissner, M.; Montiel, A.; Raes, M.; Robert, H.; Rose, A.; Schepisi, E.S.; Saucede, T.; Scheidat, M.; Schenke, H.W.; Seiler, J.; Smith, C. (2011). Biodiversity change after climate-induced ice-shelf collapse in the Antarctic. Deep-Sea Res., Part 2, Top. Stud. Oceanogr. 58(1-2): 74-83. dx.doi.org/10.1016/j.dsr2.2010.05.024
In: Deep-Sea Research, Part II. Topical Studies in Oceanography. Pergamon: Oxford. ISSN 0967-0645; e-ISSN 1879-0100, meer
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| Trefwoorden |
Euphausia superba Dana, 1850 [WoRMS]
Marien/Kust |
| Author keywords |
Antarctic Peninsula; Benthos; Krill; Apex predators; Pioneer species; |
| Auteurs | | Top |
- Gutt, J.
- Barratt, I.
- Domack, E.
- d'Acoz, C.D., meer
- Dimmler, W.
- Gremare, A.
- Heilmayer, O.
- Isla, E.
- Janussen, D.
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- Jorgensen, E.
- Kock, K.H.
- Lehnert, L.S.
- Lopez-Gonzales, P.
- Langner, S.
- Linse, K.
- Manjon-Cabeza, M.E.
- Meissner, M.
- Montiel, A.
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- Raes, M., meer
- Robert, H., meer
- Rose, A.
- Schepisi, E.S.
- Saucede, T.
- Scheidat, M.
- Schenke, H.W.
- Seiler, J.
- Smith, C.
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| Abstract |
The marine ecosystem on the eastern shelf of the Antarctic Peninsula was surveyed 5 and 12 years after the climate-induced collapse of the Larsen A and B ice shelves. An impoverished benthic fauna was discovered, that included deep-sea species presumed to be remnants from ice-covered conditions. The current structure of various ecosystem components appears to result from extremely different response rates to the change from an oligotrophic sub-ice-shelf ecosystem to a productive shelf ecosystem. Meiobenthic communities remained impoverished only inside the embayments. On local scales, macro- and mega-epibenthic diversity was generally low, with pioneer species and typical Antarctic megabenthic shelf species interspersed. Antarctic Minke whales and seals utilised the Larsen A/B area to feed on presumably newly established krill and pelagic fish biomass. Ecosystem impacts also extended well beyond the zone of ice-shelf collapse, with areas of high benthic disturbance resulting from scour by icebergs discharged from the Larsen embayments. |
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