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Topic: Colorado Desert


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In the News (Mon 23 Nov 09)

  
  Colorado Desert - Wikipedia, the free encyclopedia
The Colorado Desert is a large arid depression in the southeastern part of the U.S. state of California and the northeastern portion of the Mexican state of Baja California.
The region is essentially the northwest extension of the Sonoran Desert to the southeast.
Anza-Borrego Desert State Park, the largest state park in the contiguous United States, covers 600,000 acres (2400 km²) from the edge of the coastal mountains east of San Diego to the Salton Sea and south almost to the US-Mexico border.
en.wikipedia.org /wiki/Colorado_Desert   (287 words)

  
 Sonoran Desert Natural History Information
Desert grassland or chaparral borders the northern Sonoran Desert on the east.
The Great Basin Desert is both the highest and northernmost of the four and has very cold winters, which limit the growing season to the summer regardless of seasonal precipitation.
This was Shreve's seventh subdivision of the Sonoran Desert.
desertmuseum.org /desert/sonora.html   (2465 words)

  
 Sonoran Desert - Wikipedia, the free encyclopedia
The Sonoran Desert (sometimes also called Gila Desert after Gila River) is a North American desert which straddles part of the U.S.-Mexico border and covers large parts of the U.S. states of Arizona and California and the Mexican state of Sonora.
It is one of the largest and hottest deserts in North America, with an area of 120,000 square miles (311,000 km²).
To the east, the deserts transition to the coniferous Arizona Mountains forests and Sierra Madre Occidental forests at higher elevations.
en.wikipedia.org /wiki/Sonoran_Desert   (374 words)

  
 Wildlife Diversity Project
The Colorado Desert region encompasses approximately 7 million acres, reaching from the Mexican border in the south to the higher-elevation Mojave Desert in the north and from the Colorado River in the east to the Peninsular mountain range in the west.
In the Colorado Desert’s arid environment, aquatic and wetland habitats are limited in extent but are critically important to wildlife.
Although the Colorado Desert remains one of the least-populous regions in California, human activities have had substantial impacts on the region’s habitats and wildlife.
www.dfg.ca.gov /habitats/wdp/region-colorado/overview.html   (879 words)

  
 The North American Deserts - DesertUSA
Three of these deserts -- the Chihuahuan, the Sonoran and the Mojave -- are called "hot deserts," because of their high temperatures during the long summer and because the evolutionary affinities of their plant life are largely with the subtropical plant communities to the south.
Colorado Desert: The California portion of the Sonoran Desert west of the Colorado River.
OR The entire region from the northern boundary of the Sonoran Desert of Arizona to southwestern Colorado and southern Utah, encompassing the Colorado River, the Colorado Plateau and its numerous parks and monuments.
www.desertusa.com /glossary.html   (825 words)

  
 Colorado River Water Users Association: Agriculture Uses
Blythe had in 1877 made the first filing on Colorado River water in California when he recorded a request for 190,000 miners inches for "agricultural, mining, manufacturing, domestic and commercial purposes." He had acquired some 40,000 acres and spent $82,000 building a canal from the river before any irrigation was accomplished.
The Colorado River, which is the boundary between Arizona and California, forms the eastern and southern boundaries of the Palo Verde Irrigation District.
Colorado has been the home of irrigated farming since the late 1850s when discouraged miners applied their picks and shovels to bottom lands to grow food.
www.crwua.org /colorado_river/agriculture.htm   (3811 words)

  
 Overview of the Colorado Desert Bioregion
The Colorado Desert Bioregion in the southeastern corner of California extends from the Mexican border north to San Bernardino County and the southern edge of the Joshua Tree National Park, east to the Colorado River and Arizona, and west into Riverside and San Diego counties.
With a population of about 375,000, according to 1990 census figures, the Colorado Desert is the second least populous of the ten bioregions.
The Colorado Desert is the western extension of the Sonoran desert that covers southern Arizona and northwestern Mexico.
ceres.ca.gov /geo_area/bioregions/Colorado_Desert/about.html   (734 words)

  
 The Living Desert - About Deserts
Saying that The Living Desert is in "the desert" is a little like saying an island is in "the ocean." The name of our local desert, Colorado, comes from the Colorado River, which is roughly its eastern boundary.
The Mojave and Colorado regions are commonly called the "high" and "low" deserts, respectively, even though the Mojave claims Death Valley, the lowest spot in the Western Hemisphere at 282 feet below sea level.
Desert animals can run, fly, burrow, huddle, and hide when the winds come up, but plants are stationary and must have built in defenses
www.livingdesert.org /deserts   (278 words)

  
 The Living Desert - American Deserts
The Living Desert is located in the Colorado "Desert", one of the six subdivisions of the Sonoran Desert, which is one of the five sections of the North American Desert, which extends from Mexico all the way up into British Columbia.
The name of our local desert, Colorado, comes from the Colorado River, which is roughly its eastern boundary.
The Atlas, Caucasus, Zagros, Sierra Nevada, Andes, Himalayas, and locally, the Santa Rosas, are among the formidable barriers to desert rains.
www.livingdesert.org /deserts/american_deserts.asp   (198 words)

  
 Colorado Desert - Search Results - MSN Encarta   (Site not responding. Last check: 2007-09-07)
Colorado Desert, arid region, south-western North America, extending from the San Gorgonio Pass in the San Bernardino Mountains in south-eastern...
Painted Desert, plateau region of coloured rock in north-eastern Arizona, extending south-east from the Grand Canyon to the...
Colorado (river, United States/Mexico), river, south-west United States and north-western Mexico, 2,334 km (1,450 mi) long, the longest river west...
uk.encarta.msn.com /Colorado_Desert.html   (107 words)

  
 Friends of Saguaro National Park - About Saguaro National Park: Geography   (Site not responding. Last check: 2007-09-07)
The adjacent Colorado Desert (named after the river) in southern California, is considered by some experts to be a subdivision of the Sonoran Desert.
Most of the American deserts occur in or near the Basin and Range Region, but not all of the Basin and Range is desert.
The Yuma Desert along the southern Arizona and California border also differs from other areas of the Colorado Desert to the west, and the lush Sonoran Desert to the east, as seen around Saguaro National Park.
www.friendsofsaguaro.org /geography.html   (1782 words)

  
 Cal-Parks Colorado Desert: Anza-Borrego Desert State Park   (Site not responding. Last check: 2007-09-07)
With over 600,000 acres, Anza-Borrego Desert State Park® is the largest desert state park in the contiguous United States.
The Center is built under a desert garden, and is hidden from the road.
Desert Garden: A desert garden just outside the Visitor Center building provides a quick look at some of the vegetation in the 600,000-acre park, with the species identified.
www.anzaborrego.statepark.org /aboutthepark.html   (589 words)

  
 The Lilies of the Valley
In Bagdad, formerly a small town in the Mojave desert, is reported to be the driest in the state receiving an average annual precipitation of 2.2 in.
In Imperial, in the Colorado Desert, the range of temperature from the record high to the record low is 130 degrees.
The Colorado Desert is part of the Sonoran Desert and is called the "Low Desert." A lot of the Colorado Desert lies within the Salton Trough with the Salton Sea at its lowest point.
www.sonoma.edu /users/c/cannon/bio314chapter9.html   (4835 words)

  
 Rock Climbing in Colorado ~ Canyonlands ~ Moab, Utah with Colorado Alpine & Desert Adventures ~ Desert Crags & Cracks
Independence Monument (5.9, 4 pitches) At the heart of the Colorado National Monument is a huge tower that stretches up 500 feet from the canyon floor.
In "Rock Climbing Colorado," Stewart M. Green notes that Unaweep Canyon "offers an excellent variety of climbing routes that include some of Colorado's best crack lines." Unaweep is appropriate for every skill level and has enough uncrowded walls to keep you busy for days.
Desert Crags & Cracks also frequents such well-known places as: Sentinel Spire and Kissing Couple in the Colorado National Monument, Sister Superior in Castle Valley, Easter Island and Six-Shooters in the Indian Creek area, Lighthouse Tower, Potash Road and many, many others.
www.desertcrags.com   (689 words)

  
 Restoration in the Colorado Desert:
Israeli researchers were intrigued by theancient farms, and one of the farms, Wadi Mashash was restored inthe early 1960's in an attempt to "relearn" the ancienttechniques of water harvesting.
Graphs of temperature and precipitation values forseveral weather stations in the Colorado desert illustrate theyear round water deficit, figures 2, 3.
Ambrosia dumosa, a goodcandidate for revegetation in the Colorado desert, should respondfavorably to micro catchments.
www.sci.sdsu.edu /SERG/techniques/microcatch.html   (3478 words)

  
 california desert ants
Unlike the Colorado Desert, the Mojave does not have as pronounced a rain shadow along the western margins and, in general, total annual precipitation decreases from west to east.
Saltbush Scrub of the Mojave Desert is roughly equivalent to Alkali Sink in the Colorado Desert but trees are usually absent.
For the Mojave Desert we drew principally from Vasek and Barbour (1977).
www.desertants.org /indexpages/mojave.html   (656 words)

  
 Joshua Tree National Park
This desert is a subdivision of the Sonora desert found in the southwest United States and northern Mexico.
One of the most plentiful plants in the desert is the creosote bush, which compete with each other for water and space, preventing other plants from growing too close.
The mountain ranges in the Colorado Desert section of Joshua Tree--the Cottonwood Mountains, Eagle Mountains, and Comb Mountains--stand in stark contrast to the desert basin.
www.shannontech.com /ParkVision/JoshuaTree/JoshuaTree3.html   (880 words)

  
 Colorado Desert, California   (Site not responding. Last check: 2007-09-07)
Despite its name the Colorado Desert is not in the state of Colorado, but in extreme southern California and northwestern Mexico.
The Colorado Desert is to the south of the Mojave Desert.
The Colorado Desert lies within the Sonoran Desert but as far as I know it lacks the giant Saguaro cacti seen further east in southern Arizona.
freespace.virgin.net /john.cletheroe/usa_can/ca/colodes.htm   (111 words)

  
 Reptiles and Amphibians » Toads » Colorado River Toad Main Page
Colorado River Toads are native to arid desert areas near washes, dry grasslands, and woodlands.
Colorado River Toads often live near large streams, although they have also been frequently found near human-made waterways like canals, or near smaller springs or large rain puddles.
Colorado River Toads secrete a very poisonous toxin that causes powerful hallucinations when ingested and in large amounts may even be able to kill a human.
www.centralpets.com /animals/reptiles/toads/tod5873.html   (552 words)

  
 The Desert Tortoise Recovery Plan
It occupies a wide variety of habitat types in the Mojave and Sonoran deserts (including the California subsection of the Sonoran Desert known as the Colorado Desert) and occurs in four states in the U.S. and two states in Mexico (Figure 1).
The USFWS (1994a) determined that desert tortoise populations could be delisted by recovery unit and that the Mojave Population could be delisted when populations in all six recovery units were considered to be recovered.
The desert tortoise, because of its widespread distribution, public interest and support, scientific value, and charisma, is being used as an umbrella or “flagship” species to represent many different plants and animals and their ecosystems.
www.tortoise-tracks.org /publications/berry2.html   (5255 words)

  
 NatureWorks - Colorado River Toad   (Site not responding. Last check: 2007-09-07)
The Colorado River toad can be found in and around the Sonoran Desert in California and in Arizona south to Mexico.
The Colorado River toad spends most of the summer months in a burrow that it digs or in a rodent hole.
The Colorado River toad is nocturnal and stays underground during the heat of the day.
www.nhptv.org /natureworks/coloradorivertoad.htm   (287 words)

  
 Chapter 40-Ecological Subregions of the United States   (Site not responding. Last check: 2007-09-07)
In the Section's southern portion, agricultural practices from Colorado River culture influences spread into the area during late prehistoric times, after 1000 A.D. Historic mining of hard rock minerals and borax altered much of the landscape.
The Lower Colorado River Valley, characterized by creosote bush and white bursage, occupies the western portion of the Sonoran Desert.
The Valley Subsection is low, hot, and dry (except for the Colorado River) and aboriginal settlement patterns involved widespread foraging or agriculture in the basins during the rainy season.
www.fs.fed.us /land/pubs/ecoregions/ch40.html   (1509 words)

  
 Sonoran Institute | Sonoran Desert Program | Colorado River Delta
The Colorado River Delta, including the Upper Gulf of California, has long been recognized as one of North America’s most unique and valuable ecosystems.
The Sonoran Desert is one of the first networks in the United States to develop "vital signs" or monitoring protocols for its national parks.
The Sonoran Institute is grateful for Andy's collaboration and partnership; together, we are developing a regional approach to ecosystem monitoring in the Sonoran Desert.
www.sonoran.org /programs/sonoran_desert/si_sdep_delta_priorities.html   (259 words)

  
 Terrestrial Ecoregions -- Sonoran desert (NA1310)
In Mexico, the desert stretches south to encompass much of the state of Sonora, as well as the eastern shore of Baja California to the town of Loreto.
The highest area in the western part of the ecoregion, which reaches 1,206 m in elevation, was formed when intense volcanic activity adjacent to a portion of the Gulf of California formed a lava spill and a variety of cinder cones surrounding the Pinacate area.
Near the Colorado River Valley and all remaining parts of the ecoregion temperatures are high year round with infrequent, irregular rainfall creating an arid dry climate.
www.worldwildlife.org /wildworld/profiles/terrestrial/na/na1310_full.html   (2237 words)

  
 Colorado Desert Of California
The Colorado Desert being in a low sink, its air possesses at seasons a quality of enervation that is not noticeable on the Mojave's elevated plateaus, and the time when it may be visited with pleasure by the unacclimated is therefore shorter.
The seemingly flat wall that confronted you from the desert floor, now that you are scaling it, proves to be neither flat nor a wall, but a succession of reteding rock ridges, each higher than the one in front of it.
This opens out upon the desert just south of Palm Springs settlement, and pours for eight months of the year into an artificial waterway a crystal flood of delicious mountain water that supplies the needs of the white villagers and the handful of Agua Caliente Indians whose reservation is close by.
www.oldandsold.com /articles32n/california-3.shtml   (2211 words)

  
 Status of the Northern & Eastern Colorado Desert Coordinated Management Plan
One of several land use plans in progress that address the recovery of the desert tortoise in the California Desert, the Northern and Eastern Colorado Desert Coordinated Management Plan (Plan) focuses on the Northern and Eastern Colorado Desert Recovery Units and a small portion of the Joshua Tree Recovery Unit.
It is bounded by I-40 (north), the Colorado River (east), the Imperial Sand Dunes and Coachella Canal (south), and the West Mojave Plan (west).
Approximately 137 drinkers are proposed for bighorn sheep and desert mule deer south of I-10.
www.deserttortoise.org /abstract/abstracts2001/2001abs12.html   (566 words)

  
 Southern Mojave And Colorado Desert Loop from Palm Springs   (Site not responding. Last check: 2007-09-07)
The lower desert's creosote bush and cacti shelter fl-throated sparrows, desert iguanas, and kangaroo rats; a half-dozen rattlesnake species make this desert their home.
Greater roadrunners, Gambel's quail, cactus wrens, threatened desert tortoises, and side-blotched lizards may be seen amid creosote bushes, cacti, or rock mounds throughout the area.
The surrounding desert is the domain of phainopeplas and loggerhead shrikes, northern harriers and prairie falcons.
www.cawatchablewildlife.org /hywy1_num10.htm   (1769 words)

  
 Restoration in the Colorado Desert:
The effects of jellyrolling on desert plants were evaluated in and experiment monitoring differences in plant water potential (as a measure of desiccation) between jellyrolled, containerized, and bare rooted Ambrosia dumosa (bur sage) seedlings over 24 hours (typical shipping duration and conditions).
After pilot studies in the Colorado desert indicated little difference in plant establishment success between shrubs planted form jellyrolls or containers, a larger study was initiated at Red Rock Canyon State Park.
The roots of many desert shrubs are fragile and easily desiccated, but jellyrolling does not seem to significantly impair outplanting success for most species tested, The results of these desert studies suggest that jellyrolling could be used in many other ecosystems where desiccation is less severe and root damage less critical.
www.sci.sdsu.edu /SERG/techniques/jellyroll.html   (1352 words)

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