Global InformationNRANK information
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NRANK, or National Rank, is a ranking of the rarity of a species within a nation.[1] Each nation can assign their own NRANK based on information from conservation data centres, natural heritage programmes, and expert scientists.
- ^ Flather, Curtis H. (2008). Geographic Patterns of At-risk Species: A Technical Document Supporting the USDA Forest Service Interim Update of the 2000 RPA Assessment. U.S. Department of Agriculture Forest Service, Rocky Mountain Research Station.