sonoran-desert.ecoregion
most biodiverse desert in north america — saguaro forests, phoenix-tucson megapolitan pressure, lower colorado river dependency, buffelgrass fire transformation.
purposedefend sonoran desert habitat, saguaro communities, and urban-edge ecological function against sprawl, buffelgrass invasion, and water extraction that drains the colorado river before it reaches its delta.
placesonoran desert — southern arizona, northwest mexico, southeastern california margin. phoenix, tucson, organ pipe, saguaro NP. tohono o'odham and akimel o'odham territory.