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Filtering by: Date issued sim 2016-01-15 Rights Statement Copyright Not Evaluated

Forest disturbance across the conterminous United States from 1985-2012: The emerging dominance of forest decline

Creator:

Cohen, Warren B., Yang, Zhiqiang, Stehman, Stephen V., Schroeder, Todd A., Bell, David M., Masek, Jeffrey G., Huang, Chengquan, and Meigs, Garrett W.

Abstract:

Evidence of shifting dominance among major forest disturbance agent classes regionally to globally has been emerging in the literature. For example, climate-related stress and secondary stressors on forests (e.g., insect and disease, fire) have dramatically increased since the turn of the century globally, while harvest rates in the western US...

Resource Type:

Article
Ethanol and acetone from Douglas-fir roots stressed by Phellinus sulphurascens infection: Implications for detecting diseased trees and for beetle host selection

Creator:

Kelsey, Rick G., Joseph, Gladwin, Westlind, Doug, and Thies, Walter G.

Abstract:

Phellinus sulphurascens (previously the Douglas-fir form of Phellinus weirii) is an important native pathogen causing laminated root rot in forests of western North America. Visual crown symptoms, or attacks by bark or ambrosia beetles appear only during advanced stages of the disease with extensive infection in the lower bole. Ethanol...

Resource Type:

Article