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Quercus garryana communities in the Puget Trough, Washington
(WSU Press, 2001)
Oak (Quercus garryana) communities at Fort Lewis, Washington, USA, were examined to assess encroachment by exotic plants and by Douglas fir (Pseudotsuga menziesii), to determine the amounts of regeneration of oak and other ...
Gradient analysis of vegetation on the north wall of the Columbia River Gorge, Washington
(WSU Press, 2002)
The Columbia River Gorge represents an ecocline of shifting environmental factors, species populations, and vegetation associations. Combinations of wind, temperature, and precipitation create different environmental regimes ...