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Pilot experiment of forest fertilization during an outbreak of the western spruce budworm in Northeastern Oregon

Mixed-conifer stands of grand fir (Abies grandis (Dougl. ex D. Don) Lindl., Douglas-fir (Pseudotsuga menziesii var. glauca (Beissn.) Franco), and ponderosa pine (Pinus ponderosa Dougl. ex Laws.) were fertilized...
Reduction in growth of pole-sized Ponderosa pine related to a Pandora moth outbreak in central Oregon

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...
Invertebrates of the H. J. Andrews Experimental Forest, western Cascade Mountains, Oregon. IV, the oribatid mites (Acari:...

A fully illustrated key is presented for identifying genera of oribatid mites known from or suspected of occurring in the Pacific Northwest. The manual includes an introduction detailing sampling methodology;...

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