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Filtering by: Subject Ponderosa pine -- Preservation Rights Statement No Copyright - United States

Reduction in growth of pole-sized Ponderosa pine related to a Pandora moth outbreak in central Oregon

Creator:

Cochran, P. H.

Abstract:

A pandora moth (Coloradia pandora Blake) outbreak began in 1991 in a ponderosa pine (Pinus ponderosa Dougl. ex. Laws) spacing study area that also included scattered sugar pine (P. lambertiana Dougl). The relation of defoliation to five tree spacings (with and without understory vegetation) was examined, and stand growth reduction...

Resource Type:

Technical Report
Comparison between the growing seasons of western yellow pine and Douglas fir

Creator:

McGuire, K. B.

Resource Type:

Undergraduate Thesis

Full Text:

. Twenty were Douglas Fir, (Pseudotsuga Taxifolia), and twenty were Western Yellow Pine, (Pinus Ponderosa