The Madrean sky islands are a complex of small mountain ranges in southern Arizona and New Mexico which are home to enclaves of Madrean pine-oak woodlands. The enclaves are surrounded at lower elevations by the Sonoran and Chihuahuan deserts. For the fantasy novel by L. Frank Baum, see Sky Island Sky islands are mountains in ranges isolated by valleys in which other ecosystems are located. ... State nickname: The Grand Canyon State, The Copper State Other U.S. States Capital Phoenix Largest city Phoenix Governor Janet Napolitano Official languages English Only State Area 295,254 km² (6th) - Land 294,312 km² - Water 942 km² (0. ... State nickname: Land of Enchantment Other U.S. States Capital Santa Fe Largest city Albuquerque Governor Bill Richardson Official languages English and Spanish Area 315,194 km² (5th) - Land 314,590 km² - Water 607 km² (0. ... Categories: Stub | Deserts | Ecoregions | Arizona geography | California geography | Geography of Mexico ... The Chihuahuan Desert is a desert mainly situated in much of central and southern New Mexico, Texas west of the Pecos River, the northern half of the Mexican state of Chihuahua and most of the Mexican state of Coahuila. ...
The sky islands are the northernmost of the Madrean pine-oak woodlands, and are classified as part of the Sierra Madre Occidental pine-oak forests ecoregion. The sky islands were isolated from one another and from the pine-oak woodlands of the Sierra Madre Occidental to the south by the warming and drying of the climate since the ice ages. An ecoregion is a relatively large area of land or water that contains a geographically distinct assemblage of natural communities. ... The Sierra Madre Occidental is a mountain range in western Mexico and the extreme southwest of the United States, extending 1500 km from southeast Arizona (south and east of Tucson) southeast through eastern Sonora, western Chihuahua, Durango, Zacatecas, Aguascalientes to Guanajuato, where it joins with the Sierra Madre Oriental and... Variations in CO2, temperature and dust from the Vostok ice core over the last 400 000 years For the animated movie, see Ice Age (movie). ...
There are approximately 27 Madrean sky islands in the United States, and 15 in northern Mexico.
The skyislands are the northernmost of the Madrean pine-oak woodlands, and are classified as part of the Sierra Madre Occidental pine-oak forests ecoregion.
The skyislands were isolated from one another and from the pine-oak woodlands of the Sierra Madre Occidental to the south by the warming and drying of the climate since the ice ages.
Skyislands are mountains in ranges isolated by valleys in which other ecosystems are located.
The best known examples of skyislands are the Madreanskyislands at the northern end of the Sierra Madre Occidental in New Mexico, Arizona, Chihuahua and Sonora on the U.S.-Mexico border.
Other skyislands of note are the Great Basin montane forests of the United States' Great Basin, the Tepuis of Venezuela, Brazil, and Guyana, and in Africa.
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