Title: Deep canyon and subalpine riparian and wetland plant associations of the Malheur, Umatilla, and Wallowa-Whitman National Forests.
Author: Wells, Aaron F.
Source: Gen. Tech. Rep. PNW-GTR-682. Portland, OR. U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 277 p
Description: This guide presents a classification of the deep canyon and subalpine riparian and wetland vegetation types of the Malheur, Umatilla, and Wallowa-Whitman National Forests. A primary goal of the deep canyon and subalpine riparian and wetland classification was a seamless linkage with the midmontane northeastern Oregon riparian and wetland classification provided by Crowe and Clausnitzer in 1997. The classification is based on potential natural vegetation and follows directly from the plant association concept for riparian zones. The 95 vegetation types classified across the three national forests were organized into 16 vegetation series, and included some 45 vegetation types not previously classified for northeastern Oregon subalpine and deep canyon riparian and wetland environments. The riparian and wetland vegetation types developed for this guide were compared floristically and environmentally to riparian and wetland classifications in neighboring geographic regions. For each vegetation type, a section was included describing the occurrence(s) of the same or floristically similar vegetation types found in riparian and wetland classifications developed for neighboring geographic regions. Lastly, this guide was designed to be used in conjunction with the midmontane guide to provide a comprehensive look at the riparian and wetland vegetation of northeastern Oregon.
Keywords: Riparian, wetland, classification, northeastern Oregon, potential natural vegetation, plant association, plant community, Hells Canyon, Wallowa Mountains, Elkhorn Mountains, Strawberry Mountains, Wenaha-Tucannon Wilderness, North Fork Umatilla Wilderness, Snake River, Columbia River watershed
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Wells, Aaron F. 2006. Deep canyon and subalpine riparian and wetland plant associations of the Malheur, Umatilla, and Wallowa-Whitman National Forests. Gen. Tech. Rep. PNW-GTR-682. Portland, OR. U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 277 p
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