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Filtering by: Subject Forest management -- Oregon Remove constraint Subject: Forest management -- Oregon Advisor Perry, David A. Remove constraint Advisor: Perry, David A. Decade 1990-1999 Remove constraint Decade: 1990-1999

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Spatial characterization and analysis of forests in the Mount Bachelor volcanic chain, central Oregon

Creator:

Huang, Jing, 1964-

Abstract:

Forest spatial pattern is a primary interest of landscape ecology due to the relationships between spatial configuration of biotic components and ecological processes. The spatial pattern must be measured in meaningful ways so that relationships between forests and their environment can be analyzed. Aerial and satellite imageries provide ecologists a...

Resource Type:

Dissertation
Interacting effects of stand density, site factors, and nutrients on productivity and productive efficiency of Douglas-fir plantations in the Oregon Cascades

Creator:

Velazquez-Martinez, Alejandro

Abstract:

The objectives of this research were to study: a) the effect of thinning and treatments consisting of pruning and multinutrient fertilization on aboveground biolnass increment, growth efficiency (GE), and foliar nutrients; b) the influence of topoedaphic variables (soil nutrients, slope, aspect, and rock content) and foliar nutrients on both leaf...

Resource Type:

Dissertation
Physical processes affecting soil biotic and abiotic responses to disturbance in forest ecosystems of southwestern Oregon

Creator:

Borchers, Jeffrey G.

Abstract:

The effect of physical factors such as soil structure, bulk density, parent material, and topographic variables on soil C and N dynamics and ectomycorrhizal inocululu potential in forests of southwest Oregon were investigated In the high-elevation white fir (Abies concolor (Gord. & Glend.) Lindl.) zone, two old poorly-vegetated clearcuts with...

Resource Type:

Dissertation
Study of some biological and nutritional factors that influence nodulation by Frankia on red alder (Alnus rubra) and snowbrush (Ceanothus velutinus) within three age-class Douglas-fir forests in H.J. Andrews Experimental Forest, Oregon

Creator:

Rojas-Melo, Nestor S.

Abstract:

Bioassays using red alder and snowbrush plants grown in soils collected from a clearcut, a young Douglas-fir plantation, and an old-growth stand were conducted. Sites are located at the Andrews Experimental Forest, Oregon. In the first bioassays, more alder than snowbrush plants survived and nodulated. Of the plants that survived,...

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Dissertation

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Academic Affiliation

Forest Science4

Advisor

Perry, David A.[remove]4

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1990 to 1998

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Committee Member

Myrold, Dave2
Sollins, Phil2
Chen, Chaur-Fong1
Cromack, Kermit1
Cromack, Kermit Jr.1
more Committee Members »

Creator

Borchers, Jeffrey G.1
Huang, Jing, 1964 1
Rojas Melo, Nestor S.1
Velazquez Martinez, Alejandro1

Date

Date range begin – Date range end

Current results range from 1990 to 1998

View distribution

Decade

1990-1999[remove]4

Degree Field

Forest Science4

Degree Level

Doctoral4

Degree Name

Doctor of Philosophy (Ph.D.)4

Language

English [eng]4

Non-Academic Affiliation

Oregon State University. Graduate School4

Peer Reviewed

No4

Resource Type

Dissertation4

Rights Statement

Copyright Not Evaluated4

Subject

Ceanothus velutinus -- Oregon -- H.J. Andrews Experimental Forest1
Douglas fir -- Oregon -- Growth1
Ectomycorrhizas -- Oregon1
Forest dynamics -- Oregon -- Remote sensing1
Forest ecology -- Oregon1
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