Body size and age of specimen of the Antarctic clam Laternula elliptica collected in Potter Cove (KGI) ...

Recent rapid changes of air temperature on the western side of the Antarctic Peninsula results in increased sediment discharge and ice scouring frequencies in coastal regions. These changes are bound to especially affect slow growing, sessile filter feeders such as the Antarctic bivalve, Laternula e...

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Bibliographic Details
Main Authors: Philipp, Eva E R, Husmann, Gunnar, Abele, Doris
Format: Dataset
Language:English
Published: PANGAEA 2011
Subjects:
Online Access:https://dx.doi.org/10.1594/pangaea.776567
https://doi.pangaea.de/10.1594/PANGAEA.776567
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Summary:Recent rapid changes of air temperature on the western side of the Antarctic Peninsula results in increased sediment discharge and ice scouring frequencies in coastal regions. These changes are bound to especially affect slow growing, sessile filter feeders such as the Antarctic bivalve, Laternula elliptica, a long-lived and abundant key species with circumpolar distribution. We investigated the effect of sedimentation and ice scouring on small/young and large/old individuals at two closely located stations, distinctly influenced by both types of disturbance. Small individuals dealt better with disturbance in terms of their respiratory response to sediment exposure, reburrowing ability, and survival after injury, compared to larger animals. At the more disturbed station L. elliptica population density was lower, but larger animals reburrowed faster after iceberg disturbance and reduced their metabolic rate under strong sediment coverage, compared to larger animals of the less disturbed station, indicating ... : Supplement to: Philipp, Eva E R; Husmann, Gunnar; Abele, Doris (2011): The impact of sediment deposition and iceberg scour on the Antarctic soft shell clam Laternula elliptica at King George Island, Antarctica. Antarctic Science, 23(2), 127-138 ...