Lostine River
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The Lostine River is a Script error: No such module "convert".[1] tributary of the Wallowa River in northeastern Oregon in the United States. It drains a portion of the Eagle Cap Wilderness of the Wallowa Mountains in the Wallowa–Whitman National Forest and joins the Wallowa River at Wallowa.
In 1988, the upper Script error: No such module "convert". of the Lostine River were listed as Wild and Scenic. A Script error: No such module "convert". segment in the wilderness below the river's source at Minam Lake were classified "wild". The next Script error: No such module "convert". were designated "recreational".[2]
The main stem rises at Minam Lake at an elevation of nearly Script error: No such module "convert". above sea level,[3] about Script error: No such module "convert". south of the city of Lostine and Script error: No such module "convert". west-southwest of Joseph. The river flows generally north following a glaciated U-shaped canyon.[2] It exits the national forest at an elevation of Script error: No such module "convert". and gradually changes character as it reaches more level terrain which slopes gradually down to Script error: No such module "convert"., where it meets the Wallowa River. The river's flow varies seasonally from about Script error: No such module "convert"..
Irrigation diversions, which play a significant role in the river, contributed to the extinction of the local run of Coho salmon in the 1960s and reduced the population of the run of spring Chinook salmon to a low of 13 fish in 1999.[4] Both runs had been an historic source of food for the Nez Perce people. The Nez Perce began restoration efforts in the 1990s, and by 2005, the Chinook salmon run had risen to 800 fish.[4] An agreement that year among farmers, the Nez Perce, and the Oregon Water Trust led to efforts to preserve the stream flow during summer, helping the salmon to survive.[4] By 2009, the run had increased to more than 2,000 Chinook salmon.[5]
See also
References
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- ↑ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Template:Webarchive, accessed May 3, 2011
- ↑ a b Script error: No such module "citation/CS1".
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External links
- Grande Ronde Model Watershed
- Wild and Scenic Lostine River: U.S. Forest Service
- Photo of the river's valley by Dsdugan
