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Association of nitrogen-fixing bacteria with ectomycorrhizae in Douglas-fir

Creator:: Niu, Chih-Hao
Abstract:: Many higher plants have mycorrhizae associated with their roots. These structures are often essential for survival and growth (Harley & Smith 1983). Mycorrhizae are known for the abilities to enhance nutrient absorption. While nitrogen-fixing organisms are found as components of the mycorrhizosphere, mycorrhizal fungi are not presently known to fix...
Resource Type:: Masters Thesis

Juvenile development of Douglas-fir, red alder and snowbrush associations in Western Oregon

Creator:: El Hassan, Babiker Ahmed
Abstract:: The juvenile development of Douglas-fir, red alder and snowbrush associations was investigated in western Oregon. The relationship between Douglas-fir and red alder was studied and compared in the Coast, Willamette Valley and Cascade regions. Snowbrush- Douglas-fir stands were sampled in the western Cascades. Alder- Douglas-fir relationships were studied on clearcuts...
Resource Type:: Masters Thesis

Management impacts on the ectomycorrhizal associations of Pseudotsuga menziesii var. menziesii seedlings : field and greenhouse bioassays

Creator:: Pilz, David P.
Abstract:: Field and greenhouse bioassays were used to compare the mycorrhizal associations of Douglas-fir seedlings from undisturbed forests, and nonburned and burned portions of clearcuts on three Sites in the west-central Cascades of Oregon. Field soil transfers and greenhouse soil pasteurization and reinoculation were used to investigate soil biology and inoculum...
Resource Type:: Masters Thesis

Deer-mediated ecosystem service vs. disservice depends on forest management intensity - Dataset

Creator:: Stokely, Thomas D.
Abstract:: This dataset consists of planted crop-tree growth metrics (Pseudotsuga menziesii), non-crop tree vegetation metrics, and foraging data for black-tailed deer (Odocoileus hemionus columbianus) and Roosevelt elk (Cervus canadensis rooseveli) collected from the Intensive Forest Management experiment, Oregon Coast Range, USA, 2011-2016. The objective of the experiment was to quantify the...
Resource Type:: Dataset
Date Created:: 2018-10-04

The genus Pseudotsuga : ancestral history and past distribution

Creator:: Oregon State University. Forest Research Laboratory and Hermann, R. K.
Resource Type:: Technical Report
Full Text:: OF FORESTRY OREGON STATE UNIVERSITY The Forest Research Laboratory of Oregon State University was

Mycorrhizae on Douglas fir and Ponderosa pine seedlings

Creator:: Wright, Ernest, 1899- and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: of Forestry OREGON STATE UNIVERSITY Corvallis A4 07 A45 nom cop .2 OREGON STATE UNIVERSITY

Forest planting in the Douglas-fir region

Creator:: Kum̈mel, Julius Frank, Rindt, Charles A., 1903-, Munger, Thornton T. (Thornton Taft), 1883-, and United States. Forest Service
Resource Type:: Other
Full Text:: Oregon Planting agencies Acres successful plantations of Oregon Washington State and

Marine wood maintenance manual : a guide for proper use of Douglas-fir in marine exposures

Creator:: Morrell, Jeffrey J., Helsing, Guy G., Graham, R. D. (Robert D.), and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: coLLEGE PROGRAM The Forest Research Laboratory of Oregon State University was established by the Oregon

Physiological control of fine root turnover in Douglas-fir

Creator:: Marshall, John D. (John David), 1956-
Abstract:: To determine whether shading increases drought-induced root mortality by changing the chemical composition of roots, I conducted an experiment in which high and low light treatments in combination with high and low soil moisture treatments were applied to seedlings of Douglas-fir (Pseudotsuqa menziesii Mirb. Franco). Because synthesis of suberin (a...
Resource Type:: Dissertation

Silvicultural impacts of sheep grazing in Oregon's Coast Range

Creator:: Leininger, Wayne C.
Abstract:: A three-year investigation was conducted during 1980-1982 to evaluate the potential of using herded sheep as a silvicultural tool to suppress brush in Douglas-fir (Pseudotsuga menziesii) plantations of Oregon's Coast Range. Sheep browsing of Douglas-fir was highest in May soon after bud break. Averaged over the 2 years of grazing,...
Resource Type:: Dissertation
Full Text:: OREGON'S COAST RANGE by Wayne Carl Leininger A THESIS submitted to Oregon State University in partial

ScholarsArchive@OSU

Association of nitrogen-fixing bacteria with ectomycorrhizae in Douglas-fir

Juvenile development of Douglas-fir, red alder and snowbrush associations in Western Oregon

Management impacts on the ectomycorrhizal associations of Pseudotsuga menziesii var. menziesii seedlings : field and greenhouse bioassays

Deer-mediated ecosystem service vs. disservice depends on forest management intensity - Dataset

The genus Pseudotsuga : ancestral history and past distribution

Mycorrhizae on Douglas fir and Ponderosa pine seedlings

Forest planting in the Douglas-fir region

Marine wood maintenance manual : a guide for proper use of Douglas-fir in marine exposures

Physiological control of fine root turnover in Douglas-fir

Silvicultural impacts of sheep grazing in Oregon's Coast Range

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