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Labansen, Aili L; Lydersen, Christian; Levermann, Nette; Haug, Tore; Kovacs, Kit Maureen (2011): Stomach content of ringed seals (Pusa hispida) obtained from the Northeast Greenland area. PANGAEA, https://doi.org/10.1594/PANGAEA.814030, Supplement to: Labansen, AL et al. (2010): Diet of ringed seals (Pusa hispida) from Northeast Greenland. Polar Biology, 34(2), 227-234, https://doi.org/10.1007/s00300-010-0874-0

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Abstract:
The diet of ringed seals (Pusa hispida) from coastal and offshore areas of Northeast Greenland was determined by identifying, to the lowest taxonomic limit possible, all hard-part contents from the gastrointestinal tract of 51 seals sampled (2002-2004) in spring (April to June, N = 35) and autumn (September to October, N = 16). The autumn diet was characterized by high numbers of Parathemisto libellula, and the spring diet was comprised primarily of polar cod (Boreogadus saida), with few invertebrates consumed. The coastal seal diet samples had a diverse fish prey composition (during both the spring and autumn), whereas the open water seals had eaten mostly crustaceans with P. libellula being most abundant. The sample sizes from the various locations and seasons were not large enough to explore age-class effects on diet in addition. Similar to earlier studies, this study suggests that the ringed seal is a generalist that exploits prey based on availability, with a few key species dominating the diet in an area at least on a seasonal basis.
Coverage:
Median Latitude: 74.044115 * Median Longitude: -13.035837 * South-bound Latitude: 70.255000 * West-bound Longitude: -22.572800 * North-bound Latitude: 77.820000 * East-bound Longitude: -3.176300
Date/Time Start: 2002-05-01T00:00:00 * Date/Time End: 2004-06-30T00:00:00
Comment:
Data extracted in the frame of a joint ICSTI/PANGAEA IPY effort, see http://doi.pangaea.de/10.1594/PANGAEA.150150
Size:
4 datasets

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