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Filtering by: Subject Douglas fir -- Reproduction Contributor advisor sim Newton, Michael Creator Cole, Elizabeth C.

Fifth-year growth responses of Douglas-fir to crowding and other competition

Creator:

Cole, Elizabeth C.

Abstract:

This thesis examines the competitive aspects of Douglas-fir trees growing with two commonly associated competitors--red alder and grass--at varying densities. Two Nelder plots in three different environments in the Oregon Coast Range were studied. The sites represented the warm, dry climate of the Willamette Valley; the warm, moist climate of...

Resource Type:

Masters Thesis