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Siskiyou Ecological Province

The area in southwestern Oregon that is strongly influenced by the mild climate of northern California.  It is characterized by extensive mountainous areas of the Klamath and Siskiyou mountains and western footslopes of the southern portion of the Cascade Mountains.  elevations in Oregon range from 925 feet at Grants Pass to 7,533 feet at Mt. Ashland.

A mosaic of wedgeleaf ceanothus, Oregon white oak, and grassy openings typifies the nonforested portion of the province.

Overview of the steep topography, interspersed valleys, contrasting vegetation cover, and the wide variety of elevations that, together typify the 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.

 
Small Oregon topographic mapOregon Home Page URL: http://oregonrangelands.org/Ecological_Provinces/SiskiyouEcologicalProvince.html
Last Revised: September 9, 2004