Skip to main content
U.S. flag

An official website of the United States government

The Sonoran desert has grasslands, too.

August 2017 (approx.)

Detailed Description

The San Rafael grasslands are a diverse ecosystem in southern Arizona along the U.S./Mexico border region, a part of the Madrean Archipelago ecoregion. The USGS RAMPS program conducts collaborative research in this area, in places where land productivity and erosion threaten lives (wildlife) and livelihoods. 


Public Domain.