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Filtering by: Subject Douglas fir -- Thinning -- Oregon -- Willamette National Forest Degree Level Doctoral

Response of arthropods to different intensities of thinning in Oregon

Creator:

Yi, Hoonbok

Abstract:

The process of silvicultural thinning has become very controversial recently with regards to fire protection and management for old-growth conditions and biodiversity. Therefore, an unthinned control stand and 3 different thinning intensities were examined for their effects on the abundance, species richness, and diversity of arthropods in thinning treatments of...

Resource Type:

Dissertation
Thinning aged Douglas-fir : an analysis of mobilization costs and a log bucking strategy for revenue improvement

Creator:

Pilkerton, Stephen J.

Abstract:

Contract harvest operations have become the preferred approach to reducing the largest cost component of timber production through free market competition amongst logging contractors bidding or negotiating for work. The goal of this research was to investigate economic components of harvesting operations not previously studied for steep slope thinning harvests...

Resource Type:

Dissertation

Full Text:

costs: Experience from the Willamette Young Stand project. Forest Research Laboratory, Oregon State