Chaparral/Coastal Scrub Burns Winter chaparral burning Burning off flammable chaparral during the wet season to reinforce control lines for an upcoming prescribed fire. Serves to open up grasslands and create good forage for wildlife.February 2020, Mendocino County. Coastal scrub burn Reviving encroached upon coastal prairie by top killing coyote brush and young Douglas fir trees. Humboldt County. Coyote brush burn Humboldt County.