Litter reductions reveal a trade-off between offspring size and number in brown bears

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作者： Gonzalez, Ofelia ^[1] ; Zedrosser, Andreas ^[2] ; Pelletier, Fanie ^[3] ; Swenson, Jon E. ^[4] ; Festa-Bianchet, Marco

作者单位： Norwegian Institute for Nature Research, 7485 Trondheim, Norway ^[1] Departement de biologie, Universit?de Sherbrooke, 2500 boul. de lniversit? Sherbrooke, QC, Canada, J1K 2R1 ^[2] Department of Ecology and Natural Resource Management, Norwegian University of Life Sciences, Post Box 5003, 1432 , Norway ^[3] Department of Integrative Biology and Biodiversity Research, Institute for Wildlife Biology and Game Management, University of Natural Resources and Applied Life Sciences, Vienna, Gregor Mendel Str. 33, 1180 Vienna, Austria ^[4]

关键词 Body mass Brown bear Litter size Maternal effect Sibling competition Ursus arctos

发布时间 2013-11-20

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