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Filtering by: Creator Heller, Robert C. Creator Hard, John S. Creator Heller, Robert C.

A demonstration for hazard rating susceptibility of stands to Douglas-fir tussock moth defoliation on the Palouse Ranger District, 1. Probability of defoliation

Creator:

Kessler, Bruce L., Heller, Robert C., and Hard, John S.

Abstract:

A practical demonstration of a method for rating forest stands as to their probability of defoliation by the Douglas-fir tussock moth using aerial photographs and available cruise data was done in the Palouse Ranger District, Clearwater National Forest, Idaho. A nonlinear computer program, RISK, was used to identify significant independent...

Resource Type:

Technical Report