Browsing Theses, Dissertations and Student Research Papers (School of Forestry, pre - 1984) by Subject "Volcanic ash, tuff, etc. -- Washington (State) -- Saint Helens, Mount"

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

Frenzen, Peter M. (1983-04-25)

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 (Pacif ...