Site information and gamma-diversity counts.
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资源简介：
Modern areas calculated based on the size of modern protected areas. Historical areas were calculated from geo-referenced historical maps of the Roosevelt expedition. M = modern; H = historical; Shared H&M = number of species that occurred in both time periods; Total H+M = total number of species recorded in any time period without overlaps.
创建时间：
2015-12-02
