Summarizes four documents that reflect some of the work that Pima County and Department of Interior staff, along with the science and Geographic Information Systems technical teams, have created to develop the biological component of the Sonoran Desert Conservation Plan.

Pima County Department of Transportation's Technical Services Division maintains GIS hardware, software, and databases with skilled personnel and has applied TIS technology to the SDCP, adapting, creating or acquiring over 1000 data layers for use in the Plan. Metadata has been developed for some of these layers.

Stream flow disappearance due to groundwater pumping, floodplain development, and habitat loss due to erosion have significantly altered the biologically rich and diverse riparian corridors of eastern Pima County. Today, there are new opportunities to recreate our watercourses as a gathering place for people and wildlife.