Groundwater Pumping
The Santa Cruz River has a compelling human history. Telling this story can awaken a deeper emotional curiosity about the river and entice more people to explore the region’s rich heritage. The...
The Santa Cruz River and other riparian areas in the watershed have long been the backbone of the region’s natural and cultural heritage. This rich history is highlighted in the State of the Santa...
The Rio Yaqui drainage basin of northwestern Mexico comprises about 73,000 km of the most inaccessible and rugged terrain in western North America (Blásquez 1959). An average annual discharge of...
For thousands of years, rivers in the arid Southwest have sustained people and supported an abundance of plants and wildlife. Though at times unnoticed, the numerous services that these rivers...
For thousands of years, people in the arid West have built their communities near rivers that supply drinking water, serve as navigation corridors, and support hundreds of plant, fish, and...
Created as part of a collection of Arizona river overview documents titled "River of the Month Series, Celebrating Arizona’s Rivers". These reports were prepared and supported by Environmental...
An Endangered Species within Organ Pipe Cactus National Monument: Historical Significance and Management Challenges
The largest body of water at Organ Pipe Cactus National Monument is...
The Sonoyta mud turtle, Kinosternon sonoriense longifemorale, is endemic to a small area in south- western Arizona and northwestern Sonora. The only U.S. population, at Quitobaquito, declined from...
The Rio Sonoyta, despite grazing across the watershed, agriculture, groundwater pumping, and the incredible dry nature of the region, still has perennial flow in stretches west of the town of...
Southeast of Nogales, Sonora.
