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Filtering by: Subject Volcanism -- Washington (State) -- Saint Helens, Mount Academic Affiliation Forest Science

Conifer establishment from seed on tephra deposits from the 1980 eruptions of Mount St. Helens, Washington

Creator:

Frenzen, Peter M.

Abstract:

Information concerning the factors controlling seedling establishment on tephra deposits (airfall volcanic ejecta) is limited. The establishment and growth of six coniferous species, Abies amabills (Dougl.) Forbes (Pacific silver fir), A. procera Rehd. (noble fir), Pinus monticola Dougl. (western white pine), P. Contorta Dougl. (lodgepole pine), Pseudotsuga menziesii (Mirb.) Franco...

Resource Type:

Masters Thesis
Post-eruption species selection and planting trials for reforestation of sites near Mount St. Helens

Creator:

Logan, Sheila E.

Abstract:

The 1980 eruptions of Mount St. Helens damaged or destroyed vegetation on more than 66,100 hectares (270,000 acres) within the Gifford Pinchot National Forest. The effects of the eruption on planting sites and seedling performance were unknown. Regeneration of "cut over" lands near Mount St. Helens has historically been limited...

Resource Type:

Masters Thesis