Aerial Photographic Techniques for Assessing the Impact of Spruce Budworm Defoliation in Maine
Goal(s)/Objective(s): Development of remote sensing techniques to better evaluate current feeding, tree and forest condition from past feeding, forest recovery after spraying, and mortality location from spruce budworm defoliation and other causes.
Key Findings: Tree and forest stand condition from past feeding was best interpreted on the CIR fall photos at scales of 1320 ft/in and larger
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- Ashley, Marshall D.
University of Maine
The spruce budworm (Choristoneura fumiferana, Clem.) infestation continues to be one of the largest forest management problems in eastern North America. Presented here are the techniques developed over the past few years to evaluate and map budworm related tree defoliation, recovery from spraying, and mortality using remote sensing.
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