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Gutt, Julian; Barratt, Iain; Domack, Eugene W; d'Udekem d'Acoz, Cédric; Dimmler, Werner; Grémare, Antoine; Heilmayer, Olaf; Isla, Enrique; Janussen, Dorte; Jorgensen, Elaina; Kock, Karl-Hermann; Lehnert, Linn Sophia; López-Gonzáles, Pablo José; Langner, Stephanie; Linse, Katrin; Manjón-Cabeza, Maria Eugenia; Meißner, Meike; Montiel, Américo; Raes, Maarten; Robert, Henri; Rose, Armin; Schepisi, Elisabet Sañé; Saucède, Thomas; Scheidat, Meike; Schenke, Hans Werner; Seiler, Jan; Smith, Craig (2010): Physical oceanography, sea-bed photographs and videos of benthos from the Weddell Sea taken with remote operated vehicle CHEROKEE during POLARSTERN cruise ANT-XXIII/8. PANGAEA,, Supplement to: Gutt, J et al. (2011): Biodiversity change after climate-induced ice-shelf collapse in the Antarctic. Deep Sea Research Part II: Topical Studies in Oceanography, 58(1-2), 74-83,

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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.
Median Latitude: -64.579524 * Median Longitude: -57.538808 * South-bound Latitude: -70.540100 * West-bound Longitude: -61.957880 * North-bound Latitude: -36.895540 * East-bound Longitude: 15.932820
Date/Time Start: 2006-11-24T21:30:00 * Date/Time End: 2007-01-27T05:40:00
PS69/602-1 * Latitude: -46.662400 * Longitude: 7.504300 * Date/Time: 2006-11-27T20:41:00 * Elevation: -2522.0 m * Location: South Atlantic Ocean * Campaign: ANT-XXIII/8 (PS69) * Basis: Polarstern * Device: CTD/Rosette (CTD-RO) * Comment: operator: A. Wisotzki (
PS69/603-1 * Latitude: -70.519000 * Longitude: -8.799600 * Date/Time: 2006-12-07T11:19:00 * Elevation: -293.0 m * Location: Weddell Sea * Campaign: ANT-XXIII/8 (PS69) * Basis: Polarstern * Device: CTD/Rosette (CTD-RO) * Comment: operator: A. Wisotzki (
PS69/605-2 * Latitude: -61.337000 * Longitude: -55.526900 * Date/Time: 2006-12-19T23:30:00 * Elevation: -150.0 m * Location: Scotia Sea, southwest Atlantic * Campaign: ANT-XXIII/8 (PS69) * Basis: Polarstern * Device: CTD/Rosette (CTD-RO) * Comment: operator: A. Wisotzki (
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