Fire Management Implications
Fires are infrequent in the Sonoran Desert owing to limited biomass,
wide spacing between shrubs and sparse ground cover. Successional
studies in creosotebush scrub reveal postdisturbance recolonization by
long-lived species is very slow and may require hundreds of years.
Fires may have long-term impacts on the structure and composition of
this community. Brittle bush is a good colonizer after fire. Fires in
creosotebush scrub have resulted in an increase in brittle bush
frequency and density. Recent fires have converted creosotebush scrub
at Palm Springs to brittle bush coastal sage scrub similar in
composition to the stands covering semiarid interior valleys around
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