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Filtering by: Subject Whiteleaf manzanita -- Oregon Subject Douglas fir -- Oregon -- Growth

Survival and growth of Douglas-fir and ponderosa pine during eight years of whiteleaf manzanita and herb competition in southwest Oregon

Creator:

Funez, Atilio Ortiz

Abstract:

This thesis examines the 8-year growth trend of Douglas-fir (Pseudotsuga menziesii (mirb.)Franco), ponderosa pine (Pinus ponderosa Dougl. ex laws.), and whiteleaf manzanita (Arctostaphylos viscida Parry). Manzanita stands ranging from 1700/ha to 27000/ha density were grown among mixed conifers of the same age, which were planted in 1981 at 250x250 cm...

Resource Type:

Masters Thesis