"common on the bajadas, while many of the desert trees found are restricted to dry watercourses; these include paloverde (""Parkinsonia""), the desert willow (""Chilopsis linearis""), desert ironwood (""Olneya tesota""), and smoke trees (""Psorothamnus spinosus""). Yuma Desert The Yuma Desert is a lower-elevation section of the Sonoran Desert in the southwestern United States and the northwest of Mexico. It lies in the Salton basin. The desert contains areas of sparse vegetation and has notable areas of sand dunes. With an average rainfall less than each year, this is among the harshest deserts in North America. Human presence is sparse throughout, the"
"Gran Desierto de Altar The Gran Desierto de Altar is one of the major sub-ecoregions of the Sonoran Desert, located in the State of Sonora, Northwest Mexico. It includes the only active erg dune region in North America. The desert extends across much of the northern border of the Gulf of California, reaching more than east to west, and over north to south. It constitutes the largest continuous wilderness area within the Sonoran Desert. The eastern portion of the area contains the volcanic Pinacate Peaks region, and with the western Gran Desierto de Altar area, together they form the El"
"States. Its physical geography ranges from some of the highest mountain peaks in the continental United States, to large desert lands, and rolling plains in the eastern portion of the region. The Mountain West states contain all of the major deserts found in North America. The Great Basin Desert is located in almost all of Nevada, western Utah, and southern Idaho. Portions of the Mojave Desert are located in California, but over half of the desert is located in southern Nevada, in the Mountain West. Meanwhile, the Sonoran Desert is located in much of Arizona, and the Chihuahuan Desert is"
"systems were also interpreted as fluvial in origin. Gran Desierto de Altar The Gran Desierto de Altar is one of the major sub-ecoregions of the Sonoran Desert, located in the State of Sonora, Northwest Mexico. It includes the only active erg dune region in North America. The desert extends across much of the northern border of the Gulf of California, reaching more than east to west, and over north to south. It constitutes the largest continuous wilderness area within the Sonoran Desert. The eastern portion of the area contains the volcanic Pinacate Peaks region, and with the western Gran Desierto"
"hedgehog, cholla, silver dollar, and jojoba. The portion of the Sonora Desert which lies in the Southwestern United States is the most populated area within the region. Six of the top ten major population centers of the region are found within its borders: Phoenix, Tucson, Mesa, Chandler, Glendale, and Scottsdale, all in Arizona. Also within its borders are Yuma and Prescott Arizona. The most northwest portion of the American Southwest is covered by the Mojave Desert. Bordered on the south by the Sonoran Desert and the east by the Colorado Plateau, its range within the region makes up the southeast"
"is considered the ""most biologically diverse desert in the Western Hemisphere and one of the most diverse in the world"", and includes more species of cacti than any other desert in the world. The most prolific plants in this region are agave, yucca and creosote bushes, in addition to the ubiquitous presence of various cacti species. When people think of the desert southwest, the landscape of the Sonoran Desert is what mostly comes to mind. The Sonoran Desert makes up the southwestern portion of the Southwest; most of the desert lies in Mexico, but its United States component lies on"
"security they can provide is welcomed, there is concern about the violation of human rights. In 2005, the state began advertising campaigns to reassure Arizonans that it is safe to cross the border. Sonora is located in northwest Mexico. It has a territory of and is the second largest state of the country. It borders the states of Sinaloa, Chihuahua, and Baja California Norte, with the United States to its north and the Gulf of California to its west. Its border with the United States is long. The state is divided into five hydraulic regions – Río Colorado, Sonora Norte,"
"El Pinacate y Gran Desierto de Altar Biosphere Reserve El Pinacate y Gran Desierto de Altar Biosphere Reserve (), is a biosphere reserve and UNESCO World Heritage Site managed by the Federal government of Mexico, specifically by Secretariat of the Environment and Natural Resources, in collaboration with state government of Sonora and the Tohono O'odham. It is in the Sonoran Desert in northwest Mexico, east of Gulf of California, in the eastern part Gran Desierto de Altar, just below the border of Arizona, United States and north of the city of Puerto Peñasco. It is one of the most significant"
"to the desert climate. The Sonoran Desert's biseasonal rainfall pattern results in more plant species than any other desert in the world. The Sonoran Desert includes plant genera and species from the agave family, palm family, cactus family, legume family, and numerous others. The Sonoran is the only place in the world where the famous saguaro cactus (""Carnegiea gigantea"") grows in the wild. Cholla (""Cylindropuntia"" spp.), beavertail (""Opuntia basilaris""), hedgehog (""Echinocereus"" spp.), fishhook (""Ferocactus wislizeni""), prickly pear (""Opuntia"" spp.), nightblooming cereus (""Peniocereus"" spp.), and organ pipe (""Stenocereus thurberi"") are other taxa of cacti found here. Cactus provides food and homes"
"and is among the hottest places in the world from May to September. The economy is based on agriculture and cattle raising. The main crops are wheat, cotton, corn, beans, sorghum, and table grapes. The town is also a staging area for the flow of immigrants that will attempt entry into the United States through the shared Sonoran Desert. The largest localities (cities, towns, and villages) are: Altar Municipality Altar is a municipality in Sonora in north-western Mexico. The municipality had a 2010 census population of 9,049 inhabitants, the vast majority of whom lived in the municipal seat of Altar,"
"Tohono O'odham Nation The Tohono O'odham Nation is the collective government body of the Tohono O'odham tribe in the United States. The Tohono O’odham Nation governs four separate pieces of land with a combined area of , the second largest Native American land holding in the United States. These lands are located within the Sonoran Desert of south central Arizona and are directly exposed to the Mexico–United States border for along its southern border. The Nation is organized into 11 local districts and employs a tripartite system of government. Sells, Arizona, is the Nation's largest community and functions as its"
"Next Door: Land of Black Volcanoes and White Sands,"" which opened February 26, 2011 and closed in January 2013. Much of the Sonoran Desert lies south of the Arizona border in Mexico. This vast expanse and its diverse wildlife is the focus of this exhibition, which included wall murals depicting the vast contrasting dark “moon-scape” volcanic fields and bright seas of sand dunes. Visitors were able to learn about the geology, flora, and fauna of this region though photographs and interactive components. The exhibition was based on the book ""Land of Black Volcanoes and White Sands, The Pinacate and Gran"
"California; and the Yuma Desert east of the north-to-south section of the Colorado River in southwest Arizona. In the 1957 publication, ""Vegetation of the Sonoran Desert"", Forrest Shreve divided the Sonoran Desert into seven regions according to characteristic vegetation: Lower Colorado Valley, Arizona Upland, Plains of Sonora, Foothills of Sonora, Central Gulf Coast, Vizcaíno Region, and Magdalena Region. Many ecologists now consider Shreve's Vizcaíno and Magdalena regions, which lie on the western side of the Baja California Peninsula, to be a separate ecoregion, the Baja California Desert. Within the southern Sonoran Desert in Mexico is found the Gran Desierto de"
"Sonora Sonora (), officially Estado Libre y Soberano de Sonora (), is one of 31 states that, with Mexico City, comprise the 32 federal entities of United Mexican States. It is divided into 72 municipalities; the capital city is Hermosillo. Sonora is bordered by the states of Chihuahua to the east, Baja California to the northwest and Sinaloa to the south. To the north, it shares the U.S.–Mexico border with the states of Arizona and New Mexico, and on the west has a significant share of the coastline of the Gulf of California. Sonora's natural geography is divided into three"
"of around 1 million, and Mexicali, Baja California, whose municipality also has a population of around 900,000. The municipality of Hermosillo, Sonora, has a population of around 700,000. Ciudad Obregón, Sonora, in the southern part of the desert, has a population of 375,800. The Coachella Valley, located in the Colorado Desert section of the Sonoran Desert, has a population of 365,000. Many famous Southern California desert resort cities such as Palm Springs and Palm Desert are located here. During the winter months, from November to April, the daytime temperatures in the Coachella Valley range from 70 °F (21 °C) to"
"Chile, so far the most populous one. Palm Desert, California Palm Desert is a city in Riverside County, California, United States, in the Coachella Valley, approximately 14 miles (23 km) east of Palm Springs, 121 miles (194 km) northeast of San Diego and 122 miles (196 km) east of Los Angeles. The population was 48,445 at the 2010 census, up from 41,155 at the 2000 census. The city was one of the state's fastest growing in the 1980s and 1990s, beginning with 11,801 residents in 1980, doubling to 23,650 in 1990, 35,000 in 1995, and nearly double its 1990 population"
"any undetonated bombs, and no vehicle travel is permitted off of designated public use roads. Cabeza Prieta Wilderness The Cabeza Prieta Wilderness is located in the Sonoran Desert in southwestern Arizona in the United States. Cabeza Prieta Wilderness Area has the distinction of being Arizona's largest Wilderness Area, encompassing nearly 93 percent of the Cabeza Prieta National Wildlife Refuge and covering —larger than the land area of the state of Rhode Island. It may be temporarily closed for training exercises of the Barry M. Goldwater Air Force Range. It is also the reputed burial ground of famed environmentalist and author"
"up out of the desert of Sonora, Mexico and in the US in Arizona and New Mexico. A Landscape of steep mountain valleys with rivers flowing through the canyons. This is a dramatic landscape of steep mountains cut through with canyons including Copper Canyon, the deepest in North America. The ecoregion consists of a complex of high elevation pine-oak forest enclaves surrounded at lower elevations by deserts and xeric shrublands and tropical dry forests at lower elevations, including the Sonoran Desert to the northwest, the Chihuahuan Desert to the northeast and east in Arizona, the Meseta Central matorral and Central"
"Desert to the east, and Sonoran Desert to the south. There are over 1,600 different plant species native to the range. Sand dunes are home to the endangered fringe-toed lizard at the lower elevation confluence of the Whitewater and San Gorgonio Rivers, while Desert bighorn sheep are found at higher elevations. Sand to Snow National Monument was designated by President Obama on February 12, 2016 along with Castle Mountains National Monument and Mojave Trails National Monument. It is governed by the United States Forest Service and the Bureau of Land Management. The Sand to Snow National Monument was inspired by"
"and western Asia, and Central Australia. In South America, ergs are limited by the Andes Mountains, but they do contain extremely large dunes in coastal Peru and northwestern Argentina. They are also found in several parts of the northeast coast of Brazil. The only active erg in North America is in the Gran Desierto de Altar () that extends from the Sonoran Desert in the northwestern Mexican state of Sonora to the Yuma Desert of Arizona and the Algodones Dunes of southeastern California. An erg that has been fixed by vegetation forms the Nebraska Sandhills (). Sand seas and dune"
"collaboration with the government of the State of Sonora's IMADES agency. Facts about the reserve: Pinacate Peaks The Pinacate Peaks (Sierra Pinacate, ) are a group of volcanic peaks and cinder cones located mostly in the Mexican state of Sonora along the international border adjacent to the U.S. state of Arizona, surrounded by the vast sand dune field of the Gran Desierto de Altar, at the desert's southeast. The Spanish name for the ""Pinacate Peaks"" geographic feature is the Sierra Pinacate, which is used in their homeland of Mexico. The Pinacate Peaks lie just north of the fishing resort of"
"northern and western areas, and the Rio Grande, running in the east, north to south. Formed approximately 8000 years ago, the Chihuahuan Desert is a relatively dry desert, although it is slightly wetter than the Sonoran Desert to the west. The Chihuahuan Desert spreads across the southeastern portion of the region, covering from southeastern Arizona, across southern New Mexico, and the portion of Texas included in the Southwest. While it is the second largest desert in the United States, only a third of the desert is within the United States, with the rest in Mexico. El Paso is the major"
"Sonora is divided into 72 municipalities. Sonora's border with the United States is long, and runs through desert and mountains, from the western Chihuahuan Desert, through an area of grasslands and oak mountain areas to the Sonoran Desert west of Nogales. The area gets drier from here west and the last third of the border is generally uninhabited. There are six official border crossings. From east to west these at Agua Prieta, Naco, Nogales, Sasabe, Sonoyta and San Luis Río Colorado. In populated areas, much of the border is marked by corrugated metal walls, but most of the rest is"
"Colorado Desert California's Colorado Desert is a part of the larger Sonoran Desert. It encompasses approximately , including the heavily irrigated Coachella and Imperial valleys. It is home to many unique flora and fauna. The Colorado Desert is a subdivision of the larger Sonoran Desert encompassing approximately The desert encompasses Imperial County and includes parts of San Diego County, Riverside County, and a small part of San Bernardino County. Most of the Colorado Desert lies at a relatively low elevation, below , with the lowest point of the desert floor at below sea level at the Salton Sea. Although the"
"Patagonian Desert The Patagonian Desert, also known as the Patagonia Desert, Patagonian Steppe, or Magellanic Steppe, is the largest desert in Argentina and is the 8th largest desert in the world by area, occupying 673,000 square kilometers (260,000 mi). It is located primarily in Argentina with small parts in Chile and is bounded by the Andes, to its west, and the Atlantic Ocean to its east, in the region of Patagonia, southern Argentina. To the north the desert grades into the Cuyo Region and the Pampas. The central parts of the steppe are dominated by shrubby and herbaceous plant species"
"pressures, most notably the Coachella Valley. Colorado Desert California's Colorado Desert is a part of the larger Sonoran Desert. It encompasses approximately , including the heavily irrigated Coachella and Imperial valleys. It is home to many unique flora and fauna. The Colorado Desert is a subdivision of the larger Sonoran Desert encompassing approximately The desert encompasses Imperial County and includes parts of San Diego County, Riverside County, and a small part of San Bernardino County. Most of the Colorado Desert lies at a relatively low elevation, below , with the lowest point of the desert floor at below sea level"
"with Arizona and Nevada; it also forms portions of northwest Arizona. The Colorado Desert lies in the southeastern corner of the state, between the Colorado River and the Transverse Ranges, and continues into Mexico and Arizona to the south and east, (as the named Sonoran Desert). The Great Basin desert lies immediately to the east of the Sierra Nevada cordillera and extends eastward into the state of Nevada. The deserts encompass all of Imperial County, the southern and eastern portion of Inyo County, the eastern portions of Mono County, Los Angeles County, Kern County, San Diego County, and Riverside County,"
"Yuha Desert The Yuha Desert is a section of the Sonoran Desert located in the Imperial Valley of California; south of Interstate 8, west of El Centro, and north of the international border. Unique aspects of the Yuha Desert include the Oyster Shell Beds, De Anza Historical Monument, Crucifixion Thorn Natural Area, and the Yuha geoglyph. It is the homeland of the Kamia, also spelled Kumeyaay, and may have been used by other Native American groups such as the Cahuilla, Quechan, and Cocopah Native American people. The Yuha Desert is designated an Area of Critical Environmental Concern by the Bureau"
"Kong, Japan, Iceland, Togo, and Cyprus. In 2009, the Cal State LA Fulbright contingent was one of the largest in the country, ranked in the top 10 nationally out of the more than 400 universities in the program. The Desert Studies Center is a field station of the California State University located in Zzyzx, California in the Mojave Desert. The purpose of the Center is to provide opportunities to conduct research, receive instruction and experience the Mojave Desert environment. Is officially operated by the California Desert Studies Consortium, a consortium of 7 CSU campuses: Fullerton, Cal Poly Pomona, Long Beach,"
"Sonoran Desert. This subdivision is sometimes referred to as the Colorado Desert and encompasses much of southeastern California, southwestern Arizona, northwestern Sonora, and northeastern Baja California. The subdivision is characterized by minimal precipitation, and the area around the Tinajas Altas Mountains averages only about three inches of rainfall per year. Mexican topographic maps and United States Geological Survey (USGS) maps of the region disagree on the name of an adjacent range lying to the southeast of the Tinajas Altas Mountains. In the United States this small range is referred to as the Sierra de la Lechuguilla, but in Mexico they"
"to provide electric and water service to the reservation. Basket weaving remains an economic pursuit; the tribe produces more basketry than any other tribe in the United States. Tohono O'odham Nation The Tohono O'odham Nation is the collective government body of the Tohono O'odham tribe in the United States. The Tohono O’odham Nation governs four separate pieces of land with a combined area of , the second largest Native American land holding in the United States. These lands are located within the Sonoran Desert of south central Arizona and are directly exposed to the Mexico–United States border for along its"
"Sonora state, Mexico to the northern border of neighboring Sinaloa. The LCRV extends about from Hoover Dam to the Colorado River Delta. The Sonoran Desert itself is more than twice as extensive north-to-south, and about in width. Two species, Desert Ironwood-(""Olneya tesota"") and the Lesser Long-nosed Bat, have geographic ranges identical to the Sonoran Desert, and are indicator species of the ""Sonoran Desert region"". The spring flowering of Ironwood, and the bat species migration arrivals also become indicators of annual or multi-year climate trends for regions of the Sonoran Desert. The Lower Colorado River Valley subregion of the Sonoran Desert"
"and animals, such as the saguaro (""Carnegiea gigantea"") and organ pipe cactus (""Stenocereus thurberi""). The Sonoran desert wraps around the northern end of the Gulf of California, from Baja California Sur (El Vizcaíno Biosphere Reserve in central and Pacific west coast, Central Gulf Coast subregion on east to southern tip), north through much of Baja California, excluding the central northwest mountains and Pacific west coast, through southeastern California and southwestern and southern Arizona to western and central parts of Sonora. It is bounded on the west by the Peninsular Ranges, which separate it from the California chaparral and woodlands (northwest)"