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Zumwalt Prairie
Zumwalt Prairie is a grassland area located in Wallowa County in northeast Oregon, United States. Measuring , much of the land is used for agriculture, with some portions protected as the Zumwalt Prairie Preserve owned by The Nature Conservancy.〔Richard, Terry. To conserve and protect (and hike). ''The Oregonian'', April 2, 2006.〕 Part of that portion is designated as a National Natural Landmark. The high altitude prairie is along the west edge of Hells Canyon on the Oregon-Idaho border.
== Geography ==
The Zumwalt Prairie grassland is situated on a basalt plateau which varies in elevation from and is dominated by several native bunchgrasses, including Idaho Fescue (''Festuca idahoensis''), Bluebunch wheatgrass (''Pseudoroegneria spicata''), Sandberg's Bluegrass (''Poa secunda'') and many species of wildflowers. The Zumwalt Prairie is a piece of a once extensive temperate grassland system west of the Rocky Mountains which extended into Canada.〔Tisdale, EW. 1982. ''Grasslands of Western North America: The Pacific Northwest Bunchgrass''. p 232-245 in A.C. Nicholson, A. McLean, and T.E. Baker (eds.) Grassland ecology and classification (Symposium Proceedings). British Columbia Ministry of Forests, Kamloops, BC, Canada〕 The Zumwalt Prairie grassland system remains largely intact unlike most other prairies in North America. This fact can be attributed to its high elevation, harsh climate, and poor soils which made agriculture difficult.〔Taylor, R. V., 2007. Zumwalt Prairie Conservation Action Plan. The Nature Conservancy. Enterprise, Oregon.〕 Because most of the Zumwalt Prairie escaped the plow, much of the important habitat remains for the plants and animals.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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