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Filtering by: Subject Flowers -- Oregon -- Willamette River Valley -- Identification Advisor Kaye, Thomas N. Degree Name Master of Science (M.S.)

Factors affecting establishment and germination of upland prairie species of conservation concern in the Willamette Valley, Oregon

Creator:

Jones, Katherine D.

Abstract:

Identifying mechanisms that determine who lives and dies is the first step in developing successful restoration techniques for rare species and endangered habitats. We studied interactions that affect establishment of native plant forbs of conservation concern at the seedling stage to support the theoretical basis for restoration activities in Pacific...

Resource Type:

Masters Thesis

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Conservation Concern in the Willamette Valley, Oregon Abstract approved
Performance of Willamette Valley native plants following herbicide exposure

Creator:

Blakeley-Smith, Matthew R.

Abstract:

Prairies were once the dominant vegetation type in Oregon's Willamette Valley. Land use conversion, fire suppression, succession, and invasive species have reduced Willamette Valley prairies to less than 1% of their historical area. The remnant prairies that persist today are small in size and are highly fragmented. Marginal strips of...

Resource Type:

Masters Thesis

Full Text:

species of container-grown plants from the Willamette Valley, Oregon. The research presented in this
Studies to facilitate reintroduction of golden paintbrush (Castilleja levisecta) to the Willamette Valley, Oregon

Creator:

Lawrence, Beth A.

Abstract:

Golden paintbrush (Castilleja levisecta Greenman) historically inhabited the prairies of the Willamette Valley, Oregon. However, this Pacific Northwest endemic is currently restricted to eleven sites in the Puget Trough of Washington and British Columbia. Recovery criteria call for the establishment of new populations throughout the species historic range, including the...

Resource Type:

Masters Thesis

Full Text:

Willamette Valley, Oregon. Abstract approved: Thomas N. Kaye Golden paintbrush (Castilleja levisecta

ScholarsArchive@OSU

Factors affecting establishment and germination of upland prairie species of conservation concern in the Willamette Valley, Oregon

Performance of Willamette Valley native plants following herbicide exposure

Studies to facilitate reintroduction of golden paintbrush (Castilleja levisecta) to the Willamette Valley, Oregon

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