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Watanabe, Yuuki; Bornemann, Horst; Liebsch, Nikolai S; Plötz, Joachim; Sato, Katsufumi; Naito, Yasuhiko; Miyazaki, Nobuyuki (2006): Under ice shelf photographs from Drescher Inlet (Riiser Larsen Ice Shelf) taken by seal mounted cameras during expedition DRE2003. PANGAEA, https://doi.org/10.1594/PANGAEA.726918, Supplement to: Watanabe, Y et al. (2006): Seal-mounted cameras detect invertebrate fauna on the underside of an Antarctic ice shelf. Marine Ecology Progress Series, 309, 297-300, https://doi.org/10.3354/meps309297

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Abstract:
While modern sampling techniques, such as autonomous underwater vehicles, are increasing our knowledge of the fauna beneath Antarctic sea ice of only a few meters in depth, greater sampling difficulties mean that little is known about the marine life underneath Antarctic ice shelves over 100 m thick. In this study, we present underwater images showing the underside of an Antarctic ice shelf covered by aggregated invertebrate communities, most likely cnidarians and isopods. These images, taken at an average depth of 145 m, were obtained with a digital still camera system attached to Weddell seals Leptonychotes weddellii foraging just beneath the ice shelf. Our observations indicate that, similar to the sea floor, ice shelves serve as an important habitat for a remarkable amount of marine invertebrate fauna in Antarctica.
Project(s):
Coverage:
Median Latitude: -72.833300 * Median Longitude: -19.233300 * South-bound Latitude: -72.833300 * West-bound Longitude: -19.433300 * North-bound Latitude: -72.833300 * East-bound Longitude: -19.033300
Date/Time Start: 2003-12-13T02:26:29 * Date/Time End: 2003-12-23T00:57:34
Event(s):
DRE2003_wed_a_f_01 * Latitude: -72.833300 * Longitude: -19.433300 * Date/Time: 2003-12-10T13:00:00 * Campaign: DRE2003 (ANT-XXI/2, PS65) * Basis: Drescher Camp * Method/Device: Marine endotherm (MET) * Comment: Leptonychotes weddellii, adult female
DRE2003_wed_a_f_14 * Latitude: -72.833300 * Longitude: -19.033300 * Date/Time: 2003-12-21T13:12:00 * Campaign: DRE2003 (ANT-XXI/2, PS65) * Basis: Drescher Camp * Method/Device: Marine endotherm (MET) * Comment: Leptonychotes weddellii, adult female
Size:
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