R. Scott Anderson

Contact Info


School of Earth Sciences and Environmental Sustain...
Northern Arizona University
P.O. Box 4070
Flagstaff , AZ 86011, United States

Publications in Fire Ecology

Multi-Millennial Fire History of the Giant Forest, Sequoia National Park, California, USA
Pages: 120-127
DOI: 10.4996/fireecology.0503120

Giant sequoias (Sequoiadendron giganteum [Lindl.] J. Buchholz) preserve a detailed history of fire within their annual rings. We developed a 3000 year chronology of fire events in one of the largest extant groves of ancient giant sequoias, the Giant Forest, by sampling and tree-ring dating fire scars and other fire-related indicators from 52 trees distributed over an area of about 350 ha. When all fire events were included in composite chronologies, the mean fire intervals (years between fires of any size) declined as a function of increasing spatial extent from tree, to group, to multiple groups, to grove scales: 15.5 yr (0.1 ha), 7.4 yr (1 ha.), 3.0 yr (70 ha), and 2.2 yr (350 ha), respectively. We interpreted widespread fires (i.e., fire events recorded on ≥2 trees, or ≥25 % of all trees recording fires within composites) to have occurred in areas of 70 ha to 350 ha at mean intervals ranging from about 6 yr to 35 yr.  [Read More]

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