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Filtering by: Creator Rochelle, James Arthur, 1942-

Animal damage to coniferous plantations in Oregon and Washington. pt. II, an economic evaluation

Creator:

Brodie, J. Douglas (John Douglas), 1938-, Black, Hugh C., 1941-, Dimock, Edward J., Evans, James, 1930-, Kao, Chiang, Rochelle, James Arthur, 1942-, and Oregon State University. Forest Research Laboratory

Abstract:

Regression models of height growth and survival were fitted to aggregate data for trees, protected and not protected from animal damage, that had been surveyed on Douglas-fir and ponderosa pine plantations in Oregon and Washington. Animal damage significantly affected both height and survival. Dynamic programming analysis-using both soil expectation (Se)...

Resource Type:

Technical Report
Animal damage to coniferous plantations in Oregon and Washington. pt.1, a survey, 1963-1975

Creator:

Black, Hugh C., 1941-, Dimock, Edward J., Evans, James, 1930-, Rochelle, James Arthur, 1942-, and Oregon State University. Forest Research Laboratory

Abstract:

Mammal and bird damage recorded on Douglas-fir and ponderosa pine plots-randomly established in Oregon and Washington during 1963-64, then observed for 5 to 10 years-was evaluated for impact on survival and growth. In all, 194 plots were installed, and 10 of the 110 seedlings on each plot were caged to...

Resource Type:

Technical Report