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Filtering by: Conference section Foliage & Seed Insects Advisor Zobel, Donald B.

The ecology of lupines in Crater Lake National Park, Oregon

Creator:

Kerle, Elizabeth A.

Resource Type:

Masters Thesis

Full Text:

sucking insect had attacked expanding leaves. From the k. latifolius seed spread in the field in
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:

estimated cover of foliage that was below about 1.5 m in height. Data for Vaccinium alaskense has been
Forest structure and regeneration in the Tsuga heterophylla - Abies amabilis transition zone, central Western Cascades, Oregon

Creator:

Stewart, Glenn H.

Abstract:

The dynamics of stands in the mid-elevation old-growth Douglas-fir (Pseudotsuga menziesii) forests of the central western Oregon Cascade Range were investigated using stand structure analysis. Trees with different growth rates were commonly present in the same stand, which resulted often in a weak correlation between tree diameter and age. Thus,...

Resource Type:

Dissertation

Full Text:

used, however, is study of structure of single stands, to describe vertical stratification, foliage
Vegetation and fire history of a Ponderosa pine-white fir forest in Crater Lake National Park

Creator:

McNeil, Robert Curlan

Resource Type:

Masters Thesis

Full Text:

subsequent fires (by changing fuel and microclimatic conditions) and to insects and disease (by affecting