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Reexamining fire suppression impacts on brushland fire regimes

Science

By:
, , and
DOI:10.1126/science.284.5421.1829

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Abstract

California shrubland wildfires are increasingly destructive, and it is widely held that the problem has been intensified by fire suppression, leading to larger, more intense wildfires. However, analysis of the California Statewide Fire History Database shows that, since 1910, fire frequency and area burned have not declined, and fire size has not increased. Fire rotation intervals have declined, and fire season has not changed, implying that fire intensity has not increased. Fire frequency and population density were correlated, and it is suggested that fire suppression plays a critical role in offsetting potential impacts of increased ignitions. Large fires were not dependent on old age classes of fuels, and it is thus unlikely that age class manipulation of fuels can prevent large fires. Expansion of the urban-wildland interface is a key factor in wildland fire destruction.

Additional publication details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Reexamining fire suppression impacts on brushland fire regimes
Series title:
Science
DOI:
10.1126/science.284.5421.1829
Volume:
284
Issue:
5421
Year Published:
1999
Language:
English
Publisher:
AAAS
Contributing office(s):
Western Ecological Research Center
Description:
4 p.
First page:
1829
Last page:
1832