作者单位：
Greenland Institute of Natural Resources, P.O. Box 570, 3900 Nuuk, Greenland
[1]
Department of Population Biology, Institute of Biology, University of Copenhagen, 2100 Copenhagen, Denmark
[2]
Norwegian Polar Institute, 9296 Troms?, Norway
[3]
Institute of Marine Research, 9294 Troms?, Norway
[4]
发布时间
2013-11-20
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