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River Restoration

Where are all the beavers on Arizona's San Pedro River? Volunteers go looking for them

SAN PEDRO RIVER — On a cloudy December Saturday, a group of wildlife enthusiasts met on a dirt pull-off in southern Arizona to embark on a mission. Wide-eyed and unified, the cadre of researchers, advocates, professors and students had volunteered to spend the day collecting data for conservation. Read more...

Using a Dry Irrigation Ditch to Restore a Historic Tucson Mesquite Grove

For well over a century, the Corbett Irrigation Ditch carried water from Tanque Verde Creek to the old Fort Lowell neighborhood, where it nourished farmland and helped to sustain a thick forest of native velvet mesquite trees. Now a group of residents, historians and conservationists have launched a campaign to restore the trees and fill the ditch with water again for the first time since it mysteriously ran dry roughly a decade ago.

Cienega Creek: A Restoration Story

The Cienega Creek Natural Preserve was established in 1986 under a resolution passed by the Pima County Board of Supervisors that authorized the Director of the Regional Flood Control District to acquire designated lands along the Cienega Creek corridor to preserve riparian habitat, reduce peak stormwater flows, and facilitate groundwater recharge. 

Field Guide to Riparian Restoration, and Upland and Arroyo Erosion

For rural and natural lands owners, managers, and restoration practitioners

We live in a unique part of the world, one of the world’s most diverse and wet deserts. People settled in this region thousands of years ago because of one amazing thing –water in the desert! The water that attracted our predecessors in now mostly gone. The two reasons for that are over-pumping our groundwater and the degradation of our washes, creeks, wetlands and rivers.


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