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A Biological Evaluation of the Prototype Standing Tree Debarking System (STDS) Used for Direct Control of Mountain Pine Beetle in Lodgepole Pine

Author(s) or contact(s): H.S. Whitney, L. Safranyik, and D.C. Moulson
Source: Research Branch
Subject: Forest Health
Series: FRDA Report
Other details:  Published 1995. Hardcopy is available.
 

Abstract

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.

FRDA Research Report 234 (1420 KB)

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Updated July 24, 2015