NABCI BCR descriptions
收藏数据链接：
官方服务：
资源简介：
U.S. North American Bird Conservation Initiative Committee. 2000. North American Bird Conservation Initiative (NABCI) Bird Conservation Region Descriptions: A Supplement to the North American Bird Conservation Initiative Bird Conservation Regions Map. U.S. Fish & Wildlife Service, Migratory Birds, Arlington VA USA. http://www.nabci-us.org/aboutnabci/bcrdescrip.pdf .
创建时间：
2012-03-01
