香港六合彩开奖结果现场直播

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American bison : status survey and conservation guidelines 2010

Authors: Gates, C. Cormack, Freese, Curtis H., Gogan, Peter J. P., Kotzman, Mandy,
Year: 2010
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Abstract
This publication reports on the current status of American bison, in the wild and in conservation herds, and makes recommendations on how to ensure that the species is conserved for the future.