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  • PANGAEA  (1)
  • SPRINGER  (1)
  • AGU (American Geophysical Union)
  • INTER-RESEARCH
  • 2000-2004  (2)
  • 1
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    PANGAEA
    In:  Supplement to: Klages, Michael; Vopel, Kay; Bluhm, Hartmut; Brey, M; Soltwedel, Thomas; Arntz, Wolf E (2001): Deep-sea food falls: first observation of a natural event in the Arctic Ocean. Polar Biology, 24(4), 292-295, https://doi.org/10.1007/s003000000199
    Publication Date: 2024-07-01
    Description: Concentrations of scavengers attracted by bait in the deep sea are documented by time-lapse photography and results of baited traps. During a remotely operated vehicle deployment in the Molloy Deep, the deepest depression of the Fram Strait, the carcass of a natant decapod, Pasiphaea tarda Krøyer, 1845, was discovered at 79°08.4'N and 002°49.85'E in a depth of 5,551 m. The carcass was covered by hundreds of individuals of Uristes sp., a scavenging lysianassoid amphipod. After documentation of this event, both the carcass and the majority of amphipods were collected. This is the first reported observation and sampling of an ongoing feeding process of scavengers on a natural food fall in the deep sea.
    Keywords: ARK-XV/1; AWI_BPP; Bentho-Pelagic Processes @ AWI; Image analysis; MUC; MultiCorer; Polarstern; PS55; PS55/003; Uristes sp., length
    Type: Dataset
    Format: text/tab-separated-values, 693 data points
    Location Call Number Limitation Availability
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  • 2
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    SPRINGER
    In:  EPIC3Marine Biology, SPRINGER, 143(3), pp. 477- 484, ISSN: 0025-3162
    Publication Date: 2019-07-16
    Description: Standard metabolic rates of the endemic Antarctic scallop, Adamussium colbecki (Smith, 1902), were measured in austral summer and under simulated winter conditions. Average mass-specific metabolic rates were significantly different between summer (151.17 ± 45.06 µl O2 g-1 h-1) and winter (106.52 ± 39.65 µl O2 g-1 h-1) animals. The overall metabolic rates of A. colbecki are comparable to those of other Antarctic bivalve species, but well below those of temperate scallop species. Data for 24 scallop populations (13 species) from different latitudes give no evidence for elevated metabolic rates in A. colbecki as suggested by the concept of metabolic cold adaptation. A world-wide comparison of metabolic rate and overall growth performance of scallops indicates that in the Antarctic scallop the energetic advantage of low basal metabolism does not counterbalance the disadvantage of the prolonged seasonal period of food shortage.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
    Location Call Number Limitation Availability
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