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Filtering by: Subject Forest thinning Committee Member Cromack, Kermit Resource Type Dissertation

Interacting effects of stand density, site factors, and nutrients on productivity and productive efficiency of Douglas-fir plantations in the Oregon Cascades

Creator:

Velazquez-Martinez, Alejandro

Abstract:

The objectives of this research were to study: a) the effect of thinning and treatments consisting of pruning and multinutrient fertilization on aboveground biolnass increment, growth efficiency (GE), and foliar nutrients; b) the influence of topoedaphic variables (soil nutrients, slope, aspect, and rock content) and foliar nutrients on both leaf...

Resource Type:

Dissertation
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