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Filtering by: Advisor Franklin, Jerry Subject Douglas fir

Biomass dynamics of dead Douglas-fir and western hemlock boles in mid-elevation forests of the Cascade Range

Creator:

Graham, Robin Lee Lambert

Abstract:

The rate and manner of bioniass loss from decomposing Douglas-fir and western hemlock boles in mid-elevation forests of the central Cascade Range were measured. Bole bark and wood were considered separately. Loss of bole wood due to respiration was measured by change in bole wood density. Loss of bole wood...

Resource Type:

Dissertation
Forest structure and regeneration in the Tsuga heterophylla - Abies amabilis transition zone, central Western Cascades, Oregon

Creator:

Stewart, Glenn H.

Abstract:

The dynamics of stands in the mid-elevation old-growth Douglas-fir (Pseudotsuga menziesii) forests of the central western Oregon Cascade Range were investigated using stand structure analysis. Trees with different growth rates were commonly present in the same stand, which resulted often in a weak correlation between tree diameter and age. Thus,...

Resource Type:

Dissertation

Full Text:

transition zone. central Western Cascades, Oregon Redacted for Privacy Abstract approved: Jerry F. Franklin