Southern Cascades Bioregion

Carl N. Skinner and Alan H. Taylor

in Fire in California's Ecosystems

Published by University of California Press

Published in print November 2006 | ISBN: 9780520246058
Published online March 2012 | e-ISBN: 9780520932272 | DOI:
Southern Cascades Bioregion

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This chapter discusses the tall volcanoes and extensive lava flows that characterize the Southern Cascades bioregion. There are generally two periods with distinctly different fire regimes in the Cascades. Firstly there was a Native American period, before 1905, when fires were generally frequent. The Native American period was followed by the fire-suppression period ensuing with the establishment of the national forest reserves in 1905 when fire occurrence decreased dramatically. The fire responses of important species and fire regime-plant community interactions in the southwestern foothills, northwestern foothills, mid-montane westside, mid-montane eastside, upper montane, and subalpine are reviewed. There is some discussion about the need to reduce fire hazard by manipulating fuels and stand structure either mechanically or with the use of prescribed fire. However, accomplishing fire hazard reduction is often problematic due to competing social/political objectives for Cascade forests.

Keywords: Southern Cascades bioregion; fire; Cascade forests; plant community; fuels; tall volcanoes; lava flows

Chapter.  16168 words.  Illustrated.

Subjects: Animal Pathology and Diseases

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