A Resource for the Protected Areas Database of the United States (PAD-US)


Analyzing Species Protection Status

Gap Analysis answers the following kinds of questions:

• Where are the biodiversity conservation lands and who manages them?
• How much of a specific plant community or animal species’ habitat is held by each type of management organization?
• How much of a species’ habitat is on protected lands?
• Which areas host the most species?

Learn more about the USGS Gap Analysis Project and the 2021 national assessment.