Desert bighorn sheep establish two desert areas in southwestern Arizona to help preserve the desert bighorn sheep: Cabeza Prieta National Wildlife Refuge and the Kofa National Wildlife Refuge. In 1941, the San Andres National Wildlife Refuge in New Mexico was added. Desert bighorn sheep populations have trended upward since the 1960s when their population was estimated at 6,700-8,100. The upward trend was caused by conservation measures, including habitat preservation. In 1980, desert bighorn sheep populations were estimated at 8,415-9,040. A state-by-state survey was conducted a few years later and estimated the overall US desert bighorn sheep population at 15,980. The 1993 estimate of
Desert Shores, California plus tracts within the district, the SCSD has no land use authority under existing law; that responsibility falls on the Imperial County Board of Supervisors. In the state legislature, Desert Shores is in , and . Federally, Desert Shores is in . Desert Shores, California Desert Shores (formerly Fish Springs) is a census-designated place (CDP) in Imperial County, California, US. It is part of the El Centro Metropolitan Statistical Area. The town is located at the western shore of the Salton Sea in the Imperial Valley, within the Colorado Desert ecoregion. It is west-northwest of Calipatria. According to the United