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The biological effectiveness of the Standing Tree Debarking System (STDS) prototype, which consists of a gasoline-powered, tree-climbing delimber/debarker (named the "Tree Monkey") and a hand-held, gasoline powered debarker, is evaluated. Data and observations are presented showing that, when fully developed, the STDS could be a useful addition to the arsenal of direct measures for controlling mountain pine beetle. A tool for measuring tree roundness was developed and used in five stands of lodgepole pine in British Columbia. The results indicated that the STDS could operate effectively on about 70% of the infested trees in the stands. If a production model STDS is made, tests should be run to compare the efficacy of STDS with fell-and-burn, MSMA (a chemical treatment), and other control methods now in use.
Whitney, H.S., Safranyik, L.; Moulson, D.C.. 1995. A Biological Evaluation of the Prototype Standing Tree Debarking System (STDS) Used for Direct Control of Mountain Pine Beetle in Lodgepole Pine. British Columbia Ministry of Forests, Lands, Natural Resource Operations and Rural Development. FRDA Research Report. FRR234
Topic: FLNRORD Research Program
Keywords: Forest, Health
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