California leads the nation in fire losses and the explanation for this is that with more than 33 million people, California has a fire regime that is dominated by human ignitions.
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Keeley, J. E. a. C. J. F. 2006. Wildfire management on a human-dominated landscape: California chaparral wildfires.in G. Wuerthner, editor. Wildfire— A Century of Failed Forest Policy. Island Press, Covelo, CA.