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Entrainment, transport, and deposition of large woody debris in streams : results from a series of flume experiments

Creator:: Braudrick, Christian A.
Abstract:: Although there has been extensive research on the geomorphic and ecologic role of large woody debris (LWD) in streams, the dynamics of LWD in streams are poorly known due to various measurement difficulties during floods. In this thesis I present the results of two flume experiments on the dynamics of...
Resource Type:: Masters Thesis
Full Text:: Forest (LTER3-BSR8514325). Although my name is on the title page this thesis, it is a comprised of two

Some factors affecting the distribution of organic arsenical silvicides in the forest ecosystem

Creator:: Greaves, Robert D.
Abstract:: The initial distribution of organic arsenical silvicides was measured in the trees, litter and soil of four forest types in the Pacific Northwest following a standard, precommercial chemical thinnning. Factors which influenced the persistence, movement or fate of these compounds were noted and used to evaluate differences in the generalized...
Resource Type:: Masters Thesis

Ecology of riparian plant communities in southern Malheur National Forest

Creator:: Padgett, Wayne G.
Abstract:: Riparian communities in the southern portion of Malheur National Forest were intensively studied with the objective of designing an approach for classifying disturbed riparian areas into units of similar potential. Not all riparian community types in this portion of the Blue Mountains were sampled due to time limitations. Some of...
Resource Type:: Masters Thesis
Full Text:: . 141 ECOLOGY OF RIPARIAN PLANT COMMUNITIES IN SOUTHERN MALHEUR NATIONAL FOREST INTRODUCTION In

Early stages in plant succession on Douglas fir clearcuts on the Mary's Peak watershed near Corvallis, Oregon

Creator:: Brown, Eugene Allen
Abstract:: This study has been concerned with the patterns of vegetative changes which occur during the first five years following logging and burning on Douglas-fir clear cuts. Knowledge of the successional sequence in the coastal forests of western Oregon is of primary importance to those concerned with the management of this...
Resource Type:: Masters Thesis
Full Text:: area is managed as a unit by the United States Forest Service. Due to the marine influence, the

The phytosociology of some vine maple communities in the Marys Peak watershed

Creator:: Anderson, Howard George
Abstract:: A study was undertaken in the Marys Peak watershed with the following objectives. First, a classification of the major plant communities was carried out. Second, some of the ecological features of Acer circinatum that account for its distribution within these communities were determined. The following plant communities are described: Corylus...
Resource Type:: Masters Thesis
Full Text:: forest include Tsuga and Oxalis oregana. The shrub layer is represented by occa- sional Tsuga

The influence of tree cover and shade pattern upon the distribution of understory plants in ponderosa pine stands of central Oregon

Creator:: Robinson, Andrew Frederick, Jr.
Abstract:: Seven sites of uniform topography and soil were selected within a self perpetuating ponderosa pine forest found on the eastern flank of the central Oregon Cascades. These plots were located along a vegetational gradient caused mainly by an orographic rain shadow. Data gathered included density, frequency, and cover for all...
Resource Type:: Masters Thesis
Full Text:: uniforrn topography and soil were selected with- in a self perpetuating ponderosa pine forest found on the

Assessing the influence of silvicultural practices on Douglas-fir nutrition and stemwood production

Creator:: Reid, Paula W.
Abstract:: Nitrogen, phosphorus and sulfur concentrations were measured in the soil, foliage and litter of Douglas-fir growing in pure Douglas-fir and mixed conifer stands. On four sites of contrasting fertility and climatic conditions, plots had been modified by the introduction of alder, thinning, or by a single application of nitrogen fertilizer...
Resource Type:: Masters Thesis

Ectomycorrhizal populations on a chronosequence of disturbed areas in the central Cascades

Creator:: Meyer, Michele Marie
Abstract:: A greenhouse bioassay was used to investigate effects of natural and manmade disturbances on native ectomycorrhizal populations of Douglas-fir and western hemlock on a steep southeast slope in the west central Cascade Mountains. Total and mycorrhizal root tips were counted on seedlings grown in soils collected from (a) two 100+...
Resource Type:: Masters Thesis

A characterization of unmanaged riparian overstories in the central Oregon Coast Range

Creator:: Nierenberg, Tara R.
Abstract:: Riparian areas that can be used as reference sites on which to base goals of vegetation restoration have not been documented in the Oregon Coast Range. I examined the composition and distribution of unmanaged riparian overstories in the central Oregon Coast Range along nine streams which have experienced minimal disturbance...
Resource Type:: Masters Thesis

Forest vegetation and soils of terraces and floodplains along the McKenzie River, Oregon

Creator:: Hawk, Glenn M.
Abstract:: A study of the McKenzie River floodplains, terraces and glacial outwash plains was undertaken to classify and describe the vegetation and soils of a previously little studied synecological unit. During the summer of 1971, 54 analytic vegetation and soil plots (stands) were studied. Cover and frequency of all trees, shrubs,...
Resource Type:: Masters Thesis
Full Text:: Forest vegetation and soils of terraces and floodplains

ScholarsArchive@OSU

Entrainment, transport, and deposition of large woody debris in streams : results from a series of flume experiments

Some factors affecting the distribution of organic arsenical silvicides in the forest ecosystem

Ecology of riparian plant communities in southern Malheur National Forest

Early stages in plant succession on Douglas fir clearcuts on the Mary's Peak watershed near Corvallis, Oregon

The phytosociology of some vine maple communities in the Marys Peak watershed

The influence of tree cover and shade pattern upon the distribution of understory plants in ponderosa pine stands of central Oregon

Assessing the influence of silvicultural practices on Douglas-fir nutrition and stemwood production

Ectomycorrhizal populations on a chronosequence of disturbed areas in the central Cascades

A characterization of unmanaged riparian overstories in the central Oregon Coast Range

Forest vegetation and soils of terraces and floodplains along the McKenzie River, Oregon

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