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Filtering by: Committee Member Franklin, Jerry F. Degree Field Botany and Plant Pathology

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
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:

: Redacted for privacy .41-ry F. Franklin Large organic debris has important biological and physical roles