Protected Areas Database of the United States (PAD-US) 3.0 - World Database on Protected Areas (WDPA) Submission

The United States Geological Survey (USGS) - Science Analytics and Synthesis (SAS) - Gap Analysis Project (GAP) manages the Protected Areas Database of the United...美国地质调查局（United States Geological Survey，USGS）旗下科学分析与综合部（Science Analytics and Synthesis，SAS）的间隙分析项目（Gap Analysis Project，GAP）负责管理美国保护区数据库（Protected Areas Database of the United...）