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Physical Sciences and Mathematics
California Polytechnic State University, San Luis Obispo
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Basidiomycete Fungi Reported On Living Or Dead Giant Sequoia Or Coast Redwood, Douglas D. Piirto, John R. Parmeter, Jr., W. Wayne Wilcox
Basidiomycete Fungi Reported On Living Or Dead Giant Sequoia Or Coast Redwood, Douglas D. Piirto, John R. Parmeter, Jr., W. Wayne Wilcox
Natural Resources Management and Environmental Sciences
No abstract provided.
Causes Of Uprooting And Breakage Of Specimen Giant Sequoia Trees, Douglas D. Piirto, W. Wayne Wilcox, John R. Parmeter, Jr., David L. Wood
Causes Of Uprooting And Breakage Of Specimen Giant Sequoia Trees, Douglas D. Piirto, W. Wayne Wilcox, John R. Parmeter, Jr., David L. Wood
Natural Resources Management and Environmental Sciences
A study of the causes of uprooting and stem failure in old-growth giant sequoia (Sequoia gigantea [Lindl.] Decne) indicated many factors, depending upon the type of failure (by root, stem, or earth). Advanced decay and fire scars were the most frequently associated with failure. In 21 of 33 study trees, one-third or more of the roots were judged too decayed to provide support. Twenty-seven study trees possessed basal fire scars, and 26 fell toward the scarred side. Nine Basidiomycetes, including Fomes annosus, Poria albipellucida, Poria incrassata, and Armillaria mellea, were associated with decayed wood. Carpenter ants were found …