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Filtering by: Committee Member Ferrell, William

The effect of thinning intensity upon understory growth and species composition in an Oregon Coast Range Pseudotsuga menziesii stand

Creator:

Witler, Jerome Warren

Abstract:

Cover, frequency, and biomass of under story vegetation were estimated on 14 study plots in a central Oregon Coast Range Pseudotsuga menziesii stand. The treatments included a control and three different thinning intensities. Basal area of active growing stock, defined as young-growth P. menziesii with diameter at breast height of...

Resource Type:

Masters Thesis
Multi-scale relationships between aspen and birds in the northern Yellowstone ecosystem

Creator:

Hollenbeck, Jeff P., 1967-

Abstract:

I conducted a multi-scale evaluation of aspen – bird relationships in the northern ungulate winter range of the northern Yellowstone ecosystem during June 2001-03. Questions addressed were: (1) Does bird diversity increase with conifer presence in aspen stands? (2) Given known habitat selection cues, are migrating birds passively intercepted by...

Resource Type:

Dissertation