Strip selection method of mechanized thinning in northern hardwood pole size stands
Book
·
OSTI ID:5167159
The purpose of the strip selection thinning was to determine the economic and silvicultural implications of a mechanized harvesting system. The selectively cut strips were thinned from an original basal area of 26.6 square meters per hectare (116 square feet per acre) to a residual of 15.6 square meters per hectare (68 square feet per acre). The 4.57 meter (15 feet) wide clearcut strips reduced the over-all residual stocking to 12.6 square meters per hectare (55 square feet per acre). An average of 193 tons of whole tree chips per hectare (78.1 tons per acre) were removed at a harvesting cost of $8.64 per ton. Thirty-two percent of the residual trees sustained harvesting damage. Of the 32% damaged, 13% were minor injuries (less than 323 square centimeters (50 squae inches) of sapwood exposed) and 19% major injuries (more than 323 square centimeters (50 square inches) of sapwood exposed.
- OSTI ID:
- 5167159
- Report Number(s):
- NP-25025
- Country of Publication:
- United States
- Language:
- English
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