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Topic: Great Basin Desert


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In the News (Tue 20 Aug 19)

  
  Great Basin - Wikipedia, the free encyclopedia
The Great Basin is a large, arid region of the western United States, commonly defined as the contiguous watershed region, roughly between the Rocky Mountains and the Sierra Nevada, that has no natural outlet to the sea.
The Great Basin is not a single basin, but rather a series of contiguous watersheds, bounded on the west by watersheds of the Sacramento-San Joaquin and Klamath rivers, on the north by the watershed of the Columbia-Snake, and on the south and east by the watershed of the Colorado-Green.
Additionally the Great Basin contains two large expansive playas that are the lakebed remnants of prehistoric lakes that existed in the basin during the last ice age but have since largely dried up.
en.wikipedia.org /wiki/Great_Basin   (1208 words)

  
 Great Basin Desert
Great Basin is a cold desert bioregion represented by a small section in the NE corner of Kern County.
Great Basin comprises the southern Great Basin in the Basin and Range geomorphic province.
Great Basin Desert vegetation is difficult to categorize in Kern County as many microregions throughout the Kern Valley and east Sierra show characteristics of a mix of great basin, Mojave, riparian, grassland, and scrub habitats.
natureali.org /great_basin_desert.htm   (378 words)

  
 Great Basin--Mojave Desert Region
The eastern boundary of the Great Basin- Mojave Desert region is sharply defined by the high elevations of the Wasatch Mountains and the Colorado Plateau.
This zone is extensive throughout the Great Basin south of the Humboldt and Truckee river drainages and is sparse in the northern Lahontan River basin; it disappears altogether in Oregon.
In conjunction with the cessation of livestock grazing on the Hart Mountain and Sheldon national wildlife refuges in the northwestern Great Basin, a long-term study was initiated in 1991 to examine the relation of bird populations to riparian habitat recovery (Dobkin 1994b; Dobkin et al.
biology.usgs.gov /s+t/SNT/noframe/gb150.htm   (14767 words)

  
 JS Online: Where time fades from view
Sparsely populated and largely unknown, the Great Basin Desert covers most of Nevada, the west desert of Utah, parts of southern Oregon and Idaho, and California east of the Sierra.
The boom of sage grouse, the croak of a Great Basin spadefoot toad.
At Great Basin National Park, near Baker, Nev., a two-mile walk from the end of the road, past Stella Lake and onto the flanks of 13,063-foot Wheeler Peak, brings you to them.
www.jsonline.com /dd/destnat/dec99/basin26122599.asp   (1835 words)

  
 Terrestrial Ecoregions -- Great Lakes Basin desert steppe (PA1316)
The basin is 600-650 km in length with a width of 200-250 km in the north and 60-100 km in the south.
The Uvs lake basin is the center of the Asian anticyclone and is known as one of the coldest places in Asia with the lowest temperature recorded at -58°C (Finch 1999).
Desert steppe, with Nanophyton, Salsola passerina, and Artemisia frigida, dominates in the Uvs lake basin.
www.worldwildlife.org /wildworld/profiles/terrestrial/pa/pa1316_full.html   (1342 words)

  
 Lesson Plan
Locate the Great Basin Desert area on a map of the United States.
Identify plants and animals native to the Great Basin Desert region.
Desert amphibians such as this toad enter a state of semi-hibernation known as estivation during hot, dry periods of weather.
www.scsc.k12.ar.us /1999outwest/members/LachowskyR/lesson_plan.htm   (1030 words)

  
 Great Basin--Mojave Desert Region - References
Behle, W. Avian biogeography of the Great Basin and Intermountain Region.
Pavlik, B. Sand dune flora of the Great Basin and Mojave deserts of California, Nevada, and Oregon.
Pavlik, B. Phytogeography of sand dunes in the Great Basin and Mojave deserts.
biology.usgs.gov /s+t/SNT/noframe/gb150r.htm   (4075 words)

  
 Rattlesnakes, Great Basin National Park   (Site not responding. Last check: 2007-10-21)
Adult Great Basin rattlesnakes average 30-36 inches in length, and are tan to yellow in color, with a series of darker oval blotches on their back.
Great Basin rattlesnakes may occur up to 11,000 feet in elevation, but are more common belw 8,000 feet, in a variety of habitats- greasewood/shadscale, sagebrush, pinyon/juniper, and fir/spruce.
Great Basin rattlesnakes hibernate in dens, southern exposed rock outcrops, during the winter, emerging in May to bask in the spring sun.
www.nps.gov /grba/rattlesnake.htm   (460 words)

  
 RangeNet - Project wplgalbum - Page 3a: Grazing in Utah's Great Basin
In Utah, 59% of the mammals, 28% of the birds and 38% of the reptiles and amphibians occur on the salt deserts.
The primary cause of habitat degradation in the Great Basin (besides human population expansion) is livestock grazing.
Desert allotments grazed by cattle generally have only pauperized perennial grass populations and the lack of grass is a clear signal that it is being grazed by cattle with a preference for grass, even if the usual widespread and noticeable damage is not present.
www.rangenet.org /projects/wplgalbum/page3   (1433 words)

  
 The Lilies of the Valley
It is a large wedge-shaped basin lying between the Garlock fault on the north and the San Andreas Fault on the south.
From North to South the three regions are: the Great Basin, east of the Cascades and the Sierra Nevada; the Mojave; to the interior of the Transverse Ranges; and the Colorado Desert, lying east of the Peninsular Ranges.
The Mojave Desert is south of the Great Basin.
www.sonoma.edu /users/c/Cannon/bio314chapter9.html   (4835 words)

  
 Utah's Cold Desert
The journey through the great state of Utah continues; and this part of your virtual trip takes you to some of the most beautiful and unique country on the entire planet, Bryce Canyon, which is an example of a cold desert.
The Great Basin area is one of the few deserts on the planet where the temperature often falls below freezing.
It is cold enough in the Great Basin desert to snow in the winter.
www.usoe.k12.ut.us /curr/science/core/4th/4thSciber/enviro/html/cdesert.htm   (453 words)

  
 GREAT BASIN DESERT   (Site not responding. Last check: 2007-10-21)
The Great Basin Desert covers a large area of land bounded by the Sierra Nevada - Cascade mountain range to the west and the Rocky Mountain range to the east.
These basins are interspersed by smaller mountain ranges, running north to south, so the typical scenery in this desert region is of broad, flat plains or shallow slopes bounded by mountain ridges.
One of the major ecological threats to the sagebrush-dominated Great Basin ecosystem is the introduction and spread of alien invasive species.
helios.bto.ed.ac.uk /bto/desertecology/basin.htm   (657 words)

  
 New Page
The Great Basin Desert is called a "cold desert" because it is generally cooler and its dominant life is not subtropical in origin.
The Great Salt Lake is the largest body of water between the Great Lakes and the Pacific Ocean.
Great Basin rattlesnakes hibernate in dens, southern exposed rock outcrops during the winter.
www.scsc.k12.ar.us /2001Outwest/PacificNaturalHistory/Projects/BridgesC   (584 words)

  
 greatbasincoloradoplateau   (Site not responding. Last check: 2007-10-21)
The Great Basin Desert is the largest desert in the United States.
The Great Basin is a cool or "cold desert", because it is further north in the United States than the other deserts.
Some of the animals of this desert are bobcats, mountain lions, deer, pronghorns, golden eagles, red-tailed hawks, goshawks, peregrine falcons, harriers, kestrels, and bald eagles.
www.stlpark.k12.mn.us /ph/think_links/greatbasincoloradoplateau.htm   (1068 words)

  
 Earth Floor: Biomes   (Site not responding. Last check: 2007-10-21)
The defining characteristic of a desert is that it is dry.
Deserts may occur along the coast such as the Atacama and Namib deserts or in the interior of continents such as the Great Basin and Australian deserts, which are far from any source of water.
Semiarid deserts, like the Great Basin Desert, are not only located far from moisture, but are frequently associated with high mountain ranges that produce a rainshadow effect.
www.cotf.edu /ete/modules/msese/earthsysflr/desert.html   (342 words)

  
 Great Basin --  Encyclopædia Britannica
The lake's basin is defined by the foothills of the Wasatch Range to the north, east, and south and by the Great Salt Lake Desert to the west.
It is the western part of the larger Basin and Range region that stretches between the Rocky Mountains on the east and the Sierra Nevada on the west.
The Great Basin is not a single bowl but a group of many enclosed basins and ranges with no drainage to the sea.
www.britannica.com /eb/article-9037838   (877 words)

  
 Kern County Biogeography
Great Basin Desert, Mojave Desert, Great Valley Grassland, Sierran Forest, Coastal Chaparral, and Coastal Redwood Forest.
Many plants of the GREAT BASIN PROVINCE are found in the northeast along the eastern slopes of the Sierra Nevada mountains, although Jepson does not describe the province as actually being in the county.
The desert portion of the county consists of climate zone 11.
natureali.org /KC_biogeography.htm   (816 words)

  
 Great Basin / High Desert - Ecoregions - Sierra Club   (Site not responding. Last check: 2007-10-21)
Left behind was a vast, arid, high-elevation basin, with deep canyons and steep, north/south-trending mountain ranges, piercingly cold in winter and blisteringly hot in summer.
Today the Great Basin/High Desert is a region of wild beauty and extreme ecological fragility, sparsely populated and seemingly desolate.
For these reasons, enlarging Great Basin National Park and designating additional wilderness and park areas are high on the Sierra Club's list of programs for protecting and restoring the region.
www.sierraclub.org /ecoregions/greatbasin.asp   (569 words)

  
 North American Deserts
The Great Basin lies beyond in the "Rain Shadow." The Great Basin is sagebrush country.
It is a subtropical desert, receiving much of its moisture during the summer "Monsoon" season as tropical moisture is pulled deep in the desert.
This desert lies primarily in Mexico, in the inter mountain basin in the Rocky Mountains between the Sierra Madre Oriental and the Sierra Madre Occidental.
www.nps.gov /moja/mojadena.htm   (672 words)

  
 Great Basin   (Site not responding. Last check: 2007-10-21)
The Great Basin stretches from southern Idaho on the north to Nevada on the south, through parts of Utah, Colorado, Arizona, and New Mexico.
The Great Basin is considered a "cold" desert because precipitation often occurs as snow, and the northern latitudes keep the temperature down.
The area in which the Great Basin desert lies is a basin-and-range topography, consisting of alternating, undrained basins and ranges which typically have one steep side and one more gently-sloped side.
muirmaid.home.sprynet.com /grtbasin.htm   (370 words)

  
 Desert Regions
The Intermountain Desert encompasses several regions between the Sierra Nevada and Cascade Mountains in the west and the Rocky Mountains in the east.
We visit the Great Basin Desert on the return trip for the fieldcourse through the Pacific Northwest, and we spend one night at Great Basin National Park in Nevada (near the border with Utah).
In some ways, the Mojave Desert is a transition between the Intermountain Desert to the north and the Sonoran Desert to the south.
www.fhsu.edu /biology/Eberle/DesertSW/Deserts.htm   (491 words)

  
 North American Deserts   (Site not responding. Last check: 2007-10-21)
Four different deserts are distinguished in North America based upon their distinctive plant associations and climatic regimes.
The fog desert of Baja California is usually considered a part of the Sonoran even though it is distinctly different in composition and characterized by nearly endemic species such as the boojum tree (Idris columnaris) and elephant tree (Bursera microphylla).
The Great Basin Desert, found on the high Colorado Plateau of northen Arizona and in the Great Basin of Nevada and Utah, experiences a long, cold winter and a significant proportion of its precipitation falls as snow.
www.runet.edu /~swoodwar/CLASSES/GEOG235/biomes/desert/namdesrt.html   (403 words)

  
 Letting Go of the Rim
The Great Basin Desert covers most of Nevada, the West Desert of Utah, the southeastern corners of Oregon and Idaho, and California east of the Sierra and Cascades.
In the Great Basin, the people we meet live there." True, we don't know every hiker in the canyons of the Colorado Plateau, but most of them are the same urban recreationists that we are, with a copy of Desert Solitaire in their daypacks.
We cling to misunderstandings, alternately romanticizing or fearful of the desert, dismissing the Great Basin as an empty wasteland.
www.suwa.org /newsletters/1999/winter/17.html   (1551 words)

  
 Desert Moss Floristics - Mosses of Nevada On-line
Deserts are characterized by sporadic and episodic rainfall, in which a drought of several months can be followed by a high intensity rain event that may represent a third of the annual precipitation.
In general, desert soils are dry for most of the year, are distinctly low in organic content, N, and P, are rich in inorganic ions composing carbonates and gypsum, are high in calcium, and are alkaline.
Personal observations in the Mojave Desert in California and Nevada indicate that, where livestock grazing is presently occurring or has recently occurred, soil crustal communities are severely damaged or absent entirely, and the bryophytes are restricted to boulder and rock outcrops.
heritage.nv.gov /mosses/florstms.htm   (3986 words)

  
 The Great Basin Desert - DesertUSA
The Great Basin Desert, the largest U. desert, covers an arid expanse of about 190,000 square miles and is bordered by the Sierra Nevada Range on the west and the Rocky Mountains on the east, the Columbia Plateau to the north and the Mojave and Sonoran deserts to the south.
The Colorado Plateau, centered in northeastern Arizona, and including the adjacent Four Corners region of Utah, Colorado and New Mexico, is sometimes included in the Great Basin Desert, sometimes considered a separate desert -- the Navajoan -- and sometimes not considered a true desert.
: Bordered on the south by the Mojave and Sonoran deserts at Interstate 40, on the north by Interstate 70, on the west by U.S. Route 395 in Nevada, and on the east by U.S. Route 550 in Colorado and the Continental Divide in New Mexico.
www.desertusa.com /du_basin.html   (276 words)

  
 Great Basin; Basin and Range   (Site not responding. Last check: 2007-10-21)
The Great Basin is a triangular shaped area between the Rocky Mountains (on its east) and the Sierra Nevada and Cascade Mountains (on its west).
The Great Basin includes the Great Salt Lake in Utah, and the Mojave Desert and Death Valley in California.
The Great Basin derives its name from the fact that it is an area of interior drainage; in other words all its waterways drain into desert flats, not into the sea.
freespace.virgin.net /john.cletheroe/usa_can/usa/grbasin.htm   (262 words)

  
 Nevada - Great Basin National Park
Varied wildlife zones and great views over distant mountain and desert scenery make this a pleasant change from the featureless grey-green, sagebrush-covered plains that stretch over much of the state, and the park has another unusual attraction in the Lehman Caves, a cavern system with many beautiful limestone formations.
The foothills of the park are at an elevation of 6,000 feet - part of the Great Basin Desert of Nevada, an area dry for most of the year and characterised by long wide valleys interspersed by narrow mountain ridges running generally north-south.
This is quite a memorable location, with uninterrupted views over many miles of flat desert in the Snake Valley to the east, and a palpable sense of peace and isolation at night.
www.americansouthwest.net /nevada/great_basin/national_park.html   (452 words)

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