Index Catalog // ScholarsArchive@OSU

Soil-vegetation relationships withing the ponderosa pine type in the central Oregon pumice region

Creator:: Dyrness, C. T.
Resource Type:: Dissertation
Full Text:: inarmer. Forest succession in central Oregon, both before and after the advent of extensive puitice

Forage production and utilization in a mixed conifer forest in the Wallowa Mountain foothills

Creator:: Young, James A. (James Albert), 1937-
Abstract:: This investigation was undertaken to characterize and evaluate the forage production and utilization of the successional vegetation of the mixed conifer forest. Field studies were carried out during the summers of 1962 through 1964 at the Eastern Oregon Experiment Station Hall Ranch which is located 12 miles southeast of Union,...
Resource Type:: Dissertation
Full Text:: FORAGE PRODUCTION AND UTILIZATION IN A MIXED CONIFER FOREST IN THE WALLOWA MOUNTAIN FOOTHILLS

Forest associations and secondary plant succession in the southern Oregon coastal range

Creator:: Bailey, Arthur Wesley, 1938-
Abstract:: Forest associations, secondary succession, and relationships of plant communities to Roosevelt elk were investigated. Stratification of vegetation into ecological units and an understanding of secondary succession by habitat-type were a necessary first step in investigations into browsing of conifers by elk. The study was jointly conducted by the Oregon State...
Resource Type:: Dissertation
Full Text:: greatest potential advances in basic ecology, wild- life management, and forestry in western Oregon can

Nutrient losses and nitrogen mineralization on forested watersheds in Oregon's Coast Range

Creator:: Miller, James H.
Abstract:: Nutrient losses of the biologically responsive anions, nitrate and bicarbonate together with the major cations, were monitored on 14 small watersheds in Oregon's Coast Range and evaluated in relation to management-induced disturbance. Mixed forests of Douglas-fir and red alder had dominated these high-nitrogen sites prior to treatment. A paired-watershed experimental...
Resource Type:: Dissertation

Description and classification of the forests of the upper Illinois River drainage of Southwestern Oregon

Creator:: Atzet, Thomas
Abstract:: The purpose of this study was to develope a plant community classification within the Siskiyou mountains, a small range within the Klamath geological province well known for its geologic and floristic diversity. Forest land managers have expressed the need for identification of basic Land classes that will aid in the...
Resource Type:: Dissertation
Full Text:: Forest Service offered monitary support for the project and provided office space at the Forestry

Forest structure and regeneration in the Tsuga heterophylla - Abies amabilis transition zone, central Western Cascades, Oregon

Creator:: Stewart, Glenn H.
Abstract:: The dynamics of stands in the mid-elevation old-growth Douglas-fir (Pseudotsuga menziesii) forests of the central western Oregon Cascade Range were investigated using stand structure analysis. Trees with different growth rates were commonly present in the same stand, which resulted often in a weak correlation between tree diameter and age. Thus,...
Resource Type:: Dissertation
Full Text:: Zealand Government and NZ Forest Service for the opportunity to study at Oregon State University. Many

Disaggregative and individual-tree growth models in theory and application

Creator:: Ritchie, Martin W.
Abstract:: Disaggregative and individual-tree/distance-independent modeling methods are compared and contrasted. Differences between the two are related to differences in functional and apparent resolution and may be illustrated using aggregation theory. When considering models of different levels of resolution describing a given phenomenon, invariance with respect to the aggregation implied (symmetry) may...
Resource Type:: Dissertation

Measuring the economic impact of forests on neighboring properties

Creator:: Kim, Yeon-Su
Abstract:: This thesis investigated the contribution of the forest to neighboring property prices and explored the possible impacts from different neighboring forest characteristics with the hedonic property price model. The quadratic Box-Cox model was applied to choose the proper functional form. The square root model was chosen to be the interpretable...
Resource Type:: Dissertation

Structural and functional comparison of human-impacted and natural forest landscapes in the western Cascades of Oregon

Creator:: Pennington, Deana D.
Abstract:: This study compared effects of human and natural wildfire disturbance on age class distribution and associated ecosystem properties of forests in a 15,670 km2 area of the western Cascades of Oregon. The study site is characterized by three forest use types: low elevation, intensively harvested private industrial lands; mid elevation...
Resource Type:: Dissertation

Development, fire history and current and past growth, of old-growth and young-growth forest stands in the Cascade, Siskiyou and mid-coast mountains of southwestern Oregon

Creator:: Sensenig, Thomas S.
Abstract:: I evaluated fire occurrence, growth and recruitment and determined the fire history of 21 old and 20 young 8ha stands in Cascade, Siskiyou and mid-Coast mixed conifer and evergreen forests in southwestern Oregon. The rates and patterns of growth were measured and analyzed on 1,079 old-growth and 2,111 young stand...
Resource Type:: Dissertation

ScholarsArchive@OSU

Soil-vegetation relationships withing the ponderosa pine type in the central Oregon pumice region

Forage production and utilization in a mixed conifer forest in the Wallowa Mountain foothills

Forest associations and secondary plant succession in the southern Oregon coastal range

Nutrient losses and nitrogen mineralization on forested watersheds in Oregon's Coast Range

Description and classification of the forests of the upper Illinois River drainage of Southwestern Oregon

Forest structure and regeneration in the Tsuga heterophylla - Abies amabilis transition zone, central Western Cascades, Oregon

Disaggregative and individual-tree growth models in theory and application

Measuring the economic impact of forests on neighboring properties

Structural and functional comparison of human-impacted and natural forest landscapes in the western Cascades of Oregon

Development, fire history and current and past growth, of old-growth and young-growth forest stands in the Cascade, Siskiyou and mid-coast mountains of southwestern Oregon

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