Owyhee Desert
Encyclopedia
Owyhee
Owyhee is an older English spelling of Hawaii, used in the late 18th and early 19th centuries. It is found in the names of certain locations in the American Pacific Northwest, which were explored and mapped by expeditions whose members included native Hawaiians:*Owyhee, Nevada, a community in...
Desert ecoregion
Ecoregion
An ecoregion , sometimes called a bioregion, is an ecologically and geographically defined area that is smaller than an ecozone and larger than an ecosystem. Ecoregions cover relatively large areas of land or water, and contain characteristic, geographically distinct assemblages of natural...
, within the Deserts and xeric shrublands
Deserts and xeric shrublands
Deserts and xeric shrublands is a biome characterized by, relating to, or requiring only a small amount of moisture.-Definition and occurrence:...
Biome
Biome
Biomes are climatically and geographically defined as similar climatic conditions on the Earth, such as communities of plants, animals, and soil organisms, and are often referred to as ecosystems. Some parts of the earth have more or less the same kind of abiotic and biotic factors spread over a...
, is in the Northwestern United States
Northwestern United States
The Northwestern United States comprise the northwestern states up to the western Great Plains regions of the United States, and consistently include the states of Oregon, Washington, Idaho, Montana, Wyoming, to which part of southeast Alaska is also sometimes included...
. The Owyhee Uplands Bypass passes through the desert.
Geography
An arid region of canyonCanyon
A canyon or gorge is a deep ravine between cliffs often carved from the landscape by a river. Rivers have a natural tendency to reach a baseline elevation, which is the same elevation as the body of water it will eventually drain into. This forms a canyon. Most canyons were formed by a process of...
s, volcanic rock, sagebrush
Sagebrush
Sagebrush is a common name of a number of shrubby plant species in the genus Artemisia native to western North America;Or, the sagebrush steppe ecoregion, having one or more kinds of sagebrush, bunchgrasses and others;...
and grass
Grass
Grasses, or more technically graminoids, are monocotyledonous, usually herbaceous plants with narrow leaves growing from the base. They include the "true grasses", of the Poaceae family, as well as the sedges and the rushes . The true grasses include cereals, bamboo and the grasses of lawns ...
makes up the ~9375 sq mi (24,281.1 km²) Owyhee Desert.
The desert is in northern Nevada
Nevada
Nevada is a state in the western, mountain west, and southwestern regions of the United States. With an area of and a population of about 2.7 million, it is the 7th-largest and 35th-most populous state. Over two-thirds of Nevada's people live in the Las Vegas metropolitan area, which contains its...
, southwestern Idaho
Idaho
Idaho is a state in the Rocky Mountain area of the United States. The state's largest city and capital is Boise. Residents are called "Idahoans". Idaho was admitted to the Union on July 3, 1890, as the 43rd state....
and southeastern Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...
. It is located on the south edge of the Columbia Plateau
Columbia Plateau
The Columbia Plateau is a geologic and geographic region that lies across parts of the U.S. states of Washington, Oregon, and Idaho. It is a wide flood basalt plateau between the Cascade Range and the Rocky Mountains, cut through by the Columbia River...
southwest of Boise, Idaho
Boise, Idaho
Boise is the capital and most populous city of the U.S. state of Idaho, as well as the county seat of Ada County. Located on the Boise River, it anchors the Boise City-Nampa metropolitan area and is the largest city between Salt Lake City, Utah and Portland, Oregon.As of the 2010 Census Bureau,...
, stretching east from the Santa Rosa Range
Santa Rosa Range
The Santa Rosa Range is a line of mountains in northern Nevada in the western United States. The range extends for approximately 75 miles north from the Humboldt River west of Winnemucca through eastern Humboldt County to the border with Oregon. The highest peaks in the range are Granite Peak ...
. It has a mean elevation of approximately 5300 ft (1,615.4 m). The Owyhee Desert is primarily drained by the tributaries of the Bruneau River
Bruneau River
The Bruneau River is a tributary of the Snake River, in the U.S. states of Idaho and Nevada. It runs through a narrow canyon cut into ancient lava flows in southwestern Idaho...
and Owyhee River
Owyhee River
The Owyhee River is a tributary of the Snake River located in northern Nevada, southwestern Idaho and southeastern Oregon in the United States. It is long. The river's drainage basin is in area, one of the largest subbasins of the Columbia Basin...
s, which then flow into the Snake River
Snake River
The Snake is a major river of the greater Pacific Northwest in the United States. At long, it is the largest tributary of the Columbia River, the largest North American river that empties into the Pacific Ocean...
.
Past and current
Most of the land in the desert is owned by the federal governmentFederal government of the United States
The federal government of the United States is the national government of the constitutional republic of fifty states that is the United States of America. The federal government comprises three distinct branches of government: a legislative, an executive and a judiciary. These branches and...
and managed by the Bureau of Land Management
Bureau of Land Management
The Bureau of Land Management is an agency within the United States Department of the Interior which administers America's public lands, totaling approximately , or one-eighth of the landmass of the country. The BLM also manages of subsurface mineral estate underlying federal, state and private...
. It is largely used as ranchland, resulting in ongoing controversies regarding federal mismanagement and environmental degradation resulting from overgrazing.
Future options
In 1999, the Desert Group submitted an alternative for Owyhee resource management.See also
- Bruneau – Jarbidge Rivers WildernessBruneau – Jarbidge Rivers WildernessThe Bruneau – Jarbidge Rivers Wilderness is located on the high basalt plateaus of Owyhee County in southwestern Idaho in the western United States. The wilderness area is named after and protects much of the Bruneau and Jarbidge Rivers and their canyons. Whitewater rafting is a popular...
- Owyhee River WildernessOwyhee River WildernessThe Owyhee River Wilderness is located on the high basalt plateaus of Owyhee County in southwestern Idaho in the western United States. The wilderness area is named after and protects the upper Owyhee River, its tributaries, and the surrounding desert canyon landscape. Whitewater rafting is a...
- Yp DesertYp DesertThe Yp Desert is a desert and ecoregion, within the Deserts and xeric shrublands Biome, in Owyhee County, Idaho, and Elko County, Nevada in the northwestern United States....
- Northern Basin and Range (ecoregion)Northern Basin and Range (ecoregion)The Northern Basin and Range ecoregion is a Level III ecoregion designated by the United States Environmental Protection Agency in the U.S. states of Oregon, Idaho, Nevada, Utah, and California. It contains dissected lava plains, rolling hills, alluvial fans, valleys, and scattered mountain ranges...