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Filtering by: Subject Floodplain ecology -- Oregon Remove constraint Subject: Floodplain ecology -- Oregon Advisor Frenkel, Robert E. Remove constraint Advisor: Frenkel, Robert E.

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Ecological survey and interpretation of the Willamette Floodplain Research Natural Area, W.L. Finley National Wildlife Refuge, Oregon

Creator:

Streatfeild, Rosemary Welch

Abstract:

The purpose of this study was to: (1) evaluate land use and vegetation history of the Willamette Floodplain Research Natural Area; (2) characterize present day vegetation; (3) evaluate the relation of vegetation to environment, and (4) establish a baseline dataset for future trend analysis in order that response of different...

Resource Type:

Masters Thesis
Multivariate analysis of a tidal marsh ecosystem at Netarts Spit, Tillamook County, Oregon

Creator:

Liverman, Marc C.

Abstract:

Variability of plant species distributions, plant connunities, soil and hydrological factors in an area of the Netarts Spit tidal marsh are examined. The purpose is to advance general understanding of Oregon's tidal marsh ecosystems in terms of plant coninunities and functio'nal habitat conditions and make a contribution to the conceptual...

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Masters Thesis
Plants, plant communities, net production and tide levels; the ecological biogeography of the Nehalem salt marshes, Tillamook County, Oregon

Creator:

Eilers, H. Peter

Abstract:

Nehalem Bay is located on the northern coast of Oregon in Tillamook County and contains approximately 243 ha of salt marsh. The Nehalem marshes occur as islands and land-tied units. West Island is the largest marsh island with an area of 82.9 ha and a maximum elevation of 3.079 m...

Resource Type:

Dissertation
Ecological status and dynamics of a salt marsh restoration in the Salmon River Estuary, Oregon

Creator:

Morlan, Janet C.

Abstract:

In 1978, a 22 ha diked pasture in the Salmon River estuary, Oregon, was restored to tidal influence. The goal was to re-establish the original salt marsh. The pasture had been diked for 17 years and was dominated by upland pasture species. The site had also subsided by 30- 40...

Resource Type:

Masters Thesis
Synecology of the Monotropoideae within Limpy Rock Research Natural Area, Umpqua National Forest, Oregon

Creator:

Luoma, Daniel L.

Abstract:

Four aspects of the ecology of members of the Monotropoideae (achiorophyllous Ericaceae, referred to here as "monotropes") are presented: (1) a clarified conceptualization of monotrope nutrition based on a detailed literature review, (2) the relationship of monotrope populations to the plant communities of Limpy Rock RNA, (3) a test of...

Resource Type:

Masters Thesis
Vegetation changes in the Willamette River Greenway, Benton and Linn Counties, Oregon, 1972-1981

Creator:

Wickramaratne, Siri Nimal

Abstract:

The nature and extent of niparian vegetation change from 1972 to 1981 in the Willamette River Greenway in Benton and Linn Counties, Oregon was quantitatively investigated. The study was primarily by aerial imagery analysis and associated field verification. A classification of vegetation and land cover within the study area was...

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Masters Thesis

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Academic Affiliation

Geography4
Geosciences2

Advisor

Frenkel, Robert E.[remove]6

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1975 to 1995

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Committee Member

Chilcote, W.W.1
Matzke, Gordon E.1

Creator

Eilers, H. Peter1
Liverman, Marc C.1
Luoma, Daniel L.1
Morlan, Janet C.1
Streatfeild, Rosemary Welch1
more Creators »

Date

Date range begin – Date range end

Current results range from 1974 to 1995

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Decade

1990-19992
1980-19893
1970-19791

Degree Field

Geography6

Degree Level

Master's5
Doctoral1

Degree Name

Master of Science (M.S.)5
Doctor of Philosophy (Ph.D.)1

Language

English [eng]6

Non-Academic Affiliation

Oregon State University. Graduate School6

Peer Reviewed

No6

Resource Type

Masters Thesis5
Dissertation1

Rights Statement

In Copyright6

Subject

Ecological surveys -- Oregon -- Willamette Floodplain Research Natural Area1
Estuarine ecology -- Oregon -- Salmon River1
Forest ecology -- Oregon -- Limpy Rock Research Natural Area1
Marine ecology -- Oregon -- Tillamook County1
Marsh ecology -- Oregon -- Tillamook County1
more Subjects »

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