Soil samples collected in the Jornada Basin which is located in the northern portion of the Chihuahuan desert in the southwestern United States. The samples were collected at two depths, surface (0-1
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest)