eight partner agencies now work together to deal with desert-wide issues in a collaborative forum. The eight agencies are the National Park Service, Bureau of Land Management, US Fish & Wildlife Service, US Geological Survey, branches of the Department of Defense, California State Parks, California Department of Fish and Game, and California Department of Transportation.
californiadesert.gov
Check out this statement:
To protect wildlife, and still allow for recreation, areas of the desert have been set aside for off highway vehicles (OHV's).