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Filtering by: Subject Forest litter -- Biodegradation Remove constraint Subject: Forest litter -- Biodegradation Decade 1980-1989 Remove constraint Decade: 1980-1989 Degree Level Master's Remove constraint Degree Level: Master's

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Levels of asymbiotic nitrogen fixation in leaf litter in Northwest forests

Creator:

Heath, Brian E.

Abstract:

Asymbiotic N fixation in leaf litter in the Northwest was assayed by acetylene reduction. Annual N input measured by periodic sampling in a young Willamette Valley Douglas-fir plantation at Adair, Oregon was 1.08 +_.13 kg/ha. Using different calculating methods, six other annual estimates at the Adair site ranged from 0...

Resource Type:

Masters Thesis
Large woody debris and channel morphology of undisturbed streams in southeast Alaska

Creator:

Robison, E. George

Abstract:

The characteristics and interactions of the riparian stand, large woody debris (LWD), and channel morphology were examined on five undisturbed, low gradient streams in southeast Alaska. One first-, two second-, one third-, and one fourth-order streams were studied. Stream morphology variables were measured systematically at fixed intervals of three to...

Resource Type:

Masters Thesis
The source area for coarse woody debris in small streams in western Oregon and Washington

Creator:

McDade, Mary Helen

Abstract:

Large organic debris has important biological and physical roles within the stream ecosystem. In order to determine the source area of large organic debris in streams, thirty-nine streams in the Cascade and Coast Ranges of Oregon and Washington were sampled. The distance from point-of-origin to channel was measured for thirty...

Resource Type:

Masters Thesis

Full Text:

forest biome of the Pacific Northwest has many unique characteristics. Climatic factors (mild, wet
Storage dynamics of fine woody debris for two low-order streams in southeast Alaska

Creator:

Gillilan, Scott E.

Abstract:

The characteristics and associated storage dynamics of approximately 2000 pieces of fine woody debris (FWD; 2.5 cm <diameter<10 cm and 0.3 m<length<10 m) was evaluated over a three-year period in two undisturbed salmonid nursery streams in Southeast Alaska. To index a given reaches propensity to capture and store FWD over...

Resource Type:

Masters Thesis

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Academic Affiliation

Forest Engineering2
Botany and Plant Pathology1
Forest Science1

Advisor

Beschta, Robert L.2
Cromack, Kermit jr.1
Franklin, Jerry F.1
Perry, David1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1985 to 1990

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Committee Member

Franklin, Jerry1
Sedell, Jim1
Swanson, Fred1

Creator

Gillilan, Scott E.1
Heath, Brian E.1
Mcdade, Mary Helen1
Robison, E. George1

Date

Date range begin – Date range end

Current results range from 1985 to 1989

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Decade

1980-1989[remove]4

Degree Field

Forest Engineering2
Botany and Plant Pathology1
Forest Science1

Degree Level

Master's[remove]4

Degree Name

Master of Science (M.S.)4

Language

English [eng]4

Non-Academic Affiliation

Oregon State University. Graduate School4

Peer Reviewed

No4

Resource Type

Masters Thesis4

Rights Statement

Copyright Not Evaluated3
In Copyright1

Subject

Forest litter1
Forest litter -- Alaska, Southeast1
Forest litter -- Biodegradation1
Forest litter -- Northwest, Pacific1
Nitrogen -- Fixation1
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