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Filtering by: Committee Member Huddleston, Herbert Academic Affiliation Botany and Plant Pathology

Conservation of Sidalcea nelsoniana through habitat management : effects of burning, mowing, and altered flooding regime on a rare Willamette Valley perennial

Creator:

Bartels, Marilynn R.

Abstract:

Active habitat management plays a key role in the preservation of native ecosystems and rare species, especially in the Willamette Valley of Oregon, where natural succession to woodlands threatens the few wetland prairies remaining after 150 years of agriculture and urbanization. Sidalcea nelsoniana, listed as threatened under the federal Endangered...

Resource Type:

Masters Thesis

Full Text:

. Herbert Huddleston, Robert Meinke, and Dominique Bachelet for their time and valuable feedback. This
Responses of forest understory plants to burial by volcanic tephra from Mount St. Helens, Washington

Creator:

Antos, Joseph A.

Abstract:

The effects of burial by tephra (volcanic aerial ejecta) on forest understory plants were examined northeast of Mount St. Helens, Washington, in the area where the 18 May 1980 eruption deposited tephra but did not destroy canopy trees. At six sites along a tephra depth gradient from 2-15 cm, understory...

Resource Type:

Dissertation

Full Text:

graduate committee: Drs. Peter S. Dawson, Jerry F. Franklin, Robert E. Frenkel, J. Herbert Huddleston