Death and Deterioration of Balsam Fir Weakened by Spruce Budworm Defoliation in Ontario: Part II. An Assessment of the Role of Associated Insect Species in the Death of Severely Weakened Trees
Author： Belyea R. M.
Publisher： Society of American Foresters
ISSN： 0022-1201
Source： Journal of Forestry, Vol.50, Iss.10, 1952-10, pp. : 729-738
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