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The California chaparral and woodlands is a terrestrial ecoregion of southwestern Oregon, northern, central, and southern California (United States) and northwestern Baja California , located on the west coast of North America.
The chaparral features Oregon grape, western fescue, snowberry, bluebunch wheatgrass, and ceanothus. The region covers 121 square miles (313 km 2) in Oregon near the Siskiyou Summit, including portions of the Rogue River – Siskiyou National Forest and the Cascade–Siskiyou National Monument. [5]
The Willamette Valley ecoregion is a Level III ecoregion designated by the United States Environmental Protection Agency in the U.S. states of Oregon and Washington.Slightly larger than the Willamette Valley for which it is named, the ecoregion contains fluvial terraces and floodplains of the Willamette River system, scattered hills, buttes, and adjacent foothills.
Over the last few weeks, crews have nearly finished removing the last of the four dams that once held back the Klamath River near the California-Oregon border. On Wednesday, workers carved ...
The California coastal sage and chaparral (Spanish: Salvia y chaparral costero de California) is a Mediterranean forests, woodlands, and scrub ecoregion, defined by the World Wildlife Fund, located in southwestern California (United States) and northwestern Baja California . It is part of the larger California chaparral and woodlands ecoregion.
Level III subdivides the continent into 182 ecoregions; of these, 9 lay partly within Oregon's borders. Level IV is a further subdivision of Level III ecoregions. There are 65 Level IV ecoregions in Oregon, [3] many of which continue into adjacent areas in the neighboring states of Washington, Idaho, Nevada, and California.
Overview of Oregon river drainage basins. This is a partial listing of rivers in the state of Oregon, United States. This list of Oregon rivers is organized alphabetically and by tributary structure. The list may also include streams known as creeks, brooks, forks, branches and prongs, as well as sloughs and channels.
The California interior chaparral and woodlands ecoregion covers 24,900 square miles (64,000 km 2) in an elliptical ring around the California Central Valley. It occurs on hills and mountains ranging from 300 feet (91 m) to 3,000 feet (910 m).