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Willamette Ecological
Province
The huge valley lying
between the Cascade and Coast mountain ranges in Oregon.
It is characterized by flood plains, old valley fill, and ancient
high terraces and relatively low residual hill lands which include
the foothills of both mountain ranges. Elevations range
from about 50 feet at the Columbia river to about 2,000 feet on
mountains. Most of the province lies below 1,700 feet.
A relict
stand of oak forest on the Finley Wildlife Refuge near Corvallis.
Agriculture
in close proximity to woodland is common in this province.
Information and photos from: Anderson, E.W., Borman, M.M., and Krueger, W.C. 1998. The ecological provinces of Oregon: A treatise on the basic ecological geography of the state. Oregon Agricultural Experiment Station. SR 990. Corvallis, Oregon, USA. |