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Spruce Weevil and Western Spruce Budworm Forest Health Stand Establishment Decision Aids
Choristoneura occidentalis forest health harvesting Pissodes strobi productivity silviculture
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2009/1/9
Western spruce budworm (Choristoneura occidentalis) is a defoliator of Douglas-fir throughout the tree’s range in British Columbia. Although recent defoliation levels within the Coast Forest Region (c...