Oxygen and Carbon Dioxide Concentrations in Sound and Decaying Red Oak Trees

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Abstract:

Oxygen concentrations in stems of red oak trees were usually less than 2 percent in sound trees and less than 4 percent in decayed trees. Carbon dioxide concentrations varied between 14 to 20 percent in sound trees and between 7 and 21 percent in decayed trees. No distinct relationships were found between gas concentration and season, height, or depth in the trees. The significance of these findings in relation to the activity of wood-decaying fungi is discussed.

Keywords: Quercus sp; Stereum frustulatum; Stereum gausapatum; gases

Document Type: Journal Article

Affiliations: Plant Physiologist, Forest Insect and Disease Laboratory, Northeast. Forest Expt. Sta., Forest Service, U.S. Dept. Agric., Delaware, Ohio

Publication date: September 1, 1969

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