Pacific Northwest Research Station

Title: Early lessons from commercial thinning in a 30-year-old Sitka Spruce-Western Hemlock forest.

Author: Greene , Sarah E.; Emmingham, William H.

Date: 1986

Source: Res. Note PNW-RN-448. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 16 p

Station ID: RN-PNW-448

Description: A commercial thinning study was undertaken in a 30-year-old stand, pre-commercially thinned at 15 years of age, at Cascade Head Experimental Forest on the Oregon coast. Measurements obtained after three different thinning treatments are presented and include stand volume, basal area, current growth rate, scar damage, crown ratio, and sapwood radius. Method of establishing plots is given, and stand conditions before and after thinning are described.

Keywords: thinning effects, commercial thinning, Sitka spruce, western hemlock, Oregon, Cascade Head Experimental Forest

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Citation

Greene , Sarah E.; Emmingham, William H.  1986.  Early lessons from commercial thinning in a 30-year-old Sitka Spruce-Western Hemlock forest..   Res. Note PNW-RN-448. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 16 p