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Filtering by: Subject Trees -- Oregon%2C Southwest -- Growth Remove constraint Subject: Trees -- Oregon%2C Southwest -- Growth Peer Reviewed No Remove constraint Peer Reviewed: No

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Modeling light competition in the forests of western Oregon

Creator:

Hanus, Mark L.

Abstract:

A plant's immediate neighborhood reflects its realized level of competitive stress, since competition and natural selection act at the individual level. In stands with continuous canopies competition for light is the dominant spatial interaction. Over 100 spatially explicit indices have been used to characterize the local competitive environment in models...

Resource Type:

Dissertation
Effect of release by logging on diameter growth of residual hemlock in northwestern Oregon

Creator:

Kimmey, Ray I.

Resource Type:

Undergraduate Thesis

Full Text:

conditions. Although it is known that su'pressed trees show an accelerat- ed growth following logging
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
Reducing stand densities in immature and mature stands, Applegate Watershed, Southwest Oregon

Creator:

Main, Marty L. and Amaranthus, Michael P.

Abstract:

Throughout the Applegate watershed, dense, overstocked, immature stands of mixed conifers and hardwoods and declining stands of mature conifers present significant and complex silvicultural problems. Stand stagnation is common, as is loss of largediameter conifers from insects and wildfire. Treatments designed to maintain or encourage development of large-diameter conifers have...

Resource Type:

Technical Report
Response of soil microbial communities and nitrogen cycling processes to changes in vegetation inputs

Creator:

Brewer, Elizabeth Ann

Abstract:

Changes in the type and amount of plant inputs can occur gradually, as with succession, or rapidly, as with harvesting or wildfire. With global change it is anticipated that both gradual and immediate scenarios will occur at increasing frequency. Changes in vegetation inputs alter the quality and quantity of soil...

Resource Type:

Dissertation

Full Text:

encroachment of N2-fixing trees and their associated plant communities. The structure and diversity of soil

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Academic Affiliation

Forest Resources2
Crop and Soil Science1
School of Forestry1

Advisor

Hann, David W.2
Myrold, David D.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1937 to 2011

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Unknown 1

Committee Member

Adams, Paul W.1
Bottomley, Peter J.1
Boutton, Thomas W.1
Hibbs, David1
Kleber, Markus1
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Creator

Amaranthus, Michael P.1
Brewer, Elizabeth Ann1
Hanus, Mark L.1
Kimmey, Ray I.1
Main, Marty L.1
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Date

Date range begin – Date range end

Current results range from 1937 to 2010

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Decade

2010-20191
2000-20091
1990-19992
1930-19391

Degree Field

Forest Resources2
Forestry1
Soil Science1

Degree Level

Doctoral3
Bachelor's1

Degree Name

Doctor of Philosophy (Ph.D.)3
Bachelor of Science (B.S.)1

File Format

application/pdf1

Language

English [eng]5

License

All rights reserved1

Non-Academic Affiliation

Oregon State University. Graduate School3
Oregon Explorer1

Peer Reviewed

No[remove]5

Resource Type

Dissertation3
Technical Report1
Undergraduate Thesis1

Rights Statement

Copyright Not Evaluated4
In Copyright1

Subject

Applegate River Watershed (Or.)1
Conifers -- Oregon -- Applegate River Watershed -- Density1
Douglas fir -- Oregon -- Growth -- Measurement1
Evergreens -- Oregon -- Applegate River Watershed -- Density1
Forest dynamics -- Oregon1
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