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Impact of landslide erosion on tree growth and vegetation in the western Oregon Cascades

Creator:: Miles, Donald William Riggs
Abstract:: Shallow, rapid soil mass movements are common events and primary sources of sediment in steep terrain of the Pacific Northwest. Poorly vegetated debris deposits and scars resulting from landslides remove land from the productive timber base, and are subject to continuing erosion. To examine the impact of these events on...
Resource Type:: Masters Thesis
Full Text:: landslides in the Western Cascade Range, Oregon. Geology 3(7):393-396. 13. Swanson, F. J., and M. E. James

Dry coniferous forests in the Western Oregon Cascades

Creator:: Means, Joseph E.
Abstract:: Pseudotsuga menziesii dominates the forests of the Pacific Northwest. But though it is dominat, Tsuaa heteroohylla or Abies amabilis is usually climax. Many researchers have studied Pseudotsuga on the widespread mesic sites where it is seral, but few have examined the relatively rare ecosystems in which Pseudotsuga or its associate...
Resource Type:: Dissertation
Full Text:: in evapor- ative demand in western Oregon (Waring et. al., 1978). Geology The Cascade Range is

Interpretation of gravity anomalies observed in the Cascade Mountain province of Northern Oregon

Creator:: Braman, Dave E.
Resource Type:: Masters Thesis
Full Text:: NORTKRN OREGON INTRODUCTION The High Cascades portion of the Cascade Mountain Range is described by

Temporal variations in volume and geochemistry of volcanism in the Western Cascades, Oregon

Creator:: Verplanck, Emily Pierce
Resource Type:: Masters Thesis
Full Text:: , OREGON CHAPTER I: INTRODUCTION OVERVIEW The Cascade Range is a volcanic are which extends from

Ecology of aquatic habitats associated with stream margins

Creator:: Moore, Kelly M. S.
Abstract:: The morphology and ecological importance of habitats associated with the margin of third-order stream channels in the Oregon Cascades were studied in streams in three different riparian types: 450-year-old conifers, 40-year-old alder, and an open, herbaceous-dominated clearcut. Margins, backwaters, and side channels in streams create important habitat for fry of...
Resource Type:: Masters Thesis
Full Text:: 46 CHAPTER III: ECOLOGY OF CUTTHROAT TROUT FRY IN CASCADE MOUNTAIN STREAMS 51 INTRODUCTION 51

Physical and chemical characteristics of riparian soils two third order streams in the western Cascades of Oregon

Creator:: Gillham, Marla L.
Abstract:: Study objectives were to survey and compare physical and chemical characteristics of soils within two thirdorder montane riparian ecosystems: a 500-year old Douglas fir (Pseudotsuga menzlesii) forest at Mack Creek, and a mature red alder (Alnus rubra) forest occupying a 35-year old clearcut at Quartz Creek, both near Blue River,...
Resource Type:: Masters Thesis

Denitrification potential in forest riparian soils of the western Oregon Cascades : spatial and temporal variation

Creator:: McClellan, Michael H.
Abstract:: Denitrification, the biological or chemical reduction of ionic nitrogen oxide or dinitrogen, has not been widely studied in forest ecosystems despite widespread interest in other facets of the forest nitrogen economy. This study had three main objectives: to determine whether potential for denitrification exists in forest riparian and hill slope...
Resource Type:: Masters Thesis

Geothermal and structural implications of magnetic anomalies observed over the southern Oregon Cascade Mountains and adjoining Basin and Range province

Creator:: McLain, William Henry
Resource Type:: Masters Thesis
Full Text:: transition between the Basin and Range province and the Cascade Mountains province, personnel from the

Gravity anomalies and their structural implications for the southern Oregon Cascade Mountains and adjoining Basin and Range province

Creator:: Veen, Cynthia A.
Abstract:: Gravity measurements made during 1979 and 1980, combined with existing gravity measurements, provide data for the interpretation of upper crustal structures relevant to the assessment of the geothermal potential of south-central Oregon. West of Upper Klamath Lake, free-air gravity anomalies trend north-south and average near 35 mgals. East of Upper...
Resource Type:: Masters Thesis
Full Text:: trends of the Basin and Range province ex- tend into the Cascade Mountains, and suggest that a heat

The influence of soil compaction on early conifer growth in the southern Washington Cascades

Creator:: Robbins, Richard William
Abstract:: This study evaluated the effect of soil compaction on the growth of natural regeneration on volcanic ash-influenced soils in the southern Washington Cascades. Growth of 9 to 18 year-old sapling-. sized Ponderosa pine (Pinus ponderosa Laws.) was studied on sites ranging from 915 to 1006 m elevation in an area...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Impact of landslide erosion on tree growth and vegetation in the western Oregon Cascades

Dry coniferous forests in the Western Oregon Cascades

Interpretation of gravity anomalies observed in the Cascade Mountain province of Northern Oregon

Temporal variations in volume and geochemistry of volcanism in the Western Cascades, Oregon

Ecology of aquatic habitats associated with stream margins

Physical and chemical characteristics of riparian soils two third order streams in the western Cascades of Oregon

Denitrification potential in forest riparian soils of the western Oregon Cascades : spatial and temporal variation

Geothermal and structural implications of magnetic anomalies observed over the southern Oregon Cascade Mountains and adjoining Basin and Range province

Gravity anomalies and their structural implications for the southern Oregon Cascade Mountains and adjoining Basin and Range province

The influence of soil compaction on early conifer growth in the southern Washington Cascades

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