Jornada Experimental Range

This post is part of the Science Tuesday feature series on the USDA blog. Check back each week as we showcase stories and news from USDA’s rich science and research portfolio. Some of the world’s most unique cacti, reptiles and plants reside right here in the United States among our nation’s lush...

Vast acreage of dry lands may evoke images of a desolate, scorched desert that is uninhabitable to humans. But the arid and semi-arid dry lands of about half of both the United States’ and the world’s land surfaces actually are complex ecosystems made up variously of grasses, shrubs, agriculture...