Residual lodgepole pine in older clearcuts are dwarf mistletoe-infected and pose a threat to regeneration present. Removal of these residuals coupled with planned or completed precommercial thinnings will effectively reduce dwarf mistletoe to an insignificant level and increase future volume yields. The benefit/ cost ratios based on timber values alone are negative for both areas at both 10 and 6 percent discount rates, but other benefits outweigh the economic ones. Dwarf mistletoe management is recommended.
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