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Protected. 35,905 km 2 (13,863 sq mi) (7%) [1] The Chihuahuan Desert (Spanish: Desierto de Chihuahua, Desierto Chihuahuense) is a desert ecoregion designation covering parts of northern Mexico and the southwestern United States. It occupies much of far West Texas, the middle to lower Rio Grande Valley and the lower Pecos Valley in New Mexico ...
The Sierra Madre Occidental pine–oak forests (Spanish: Bosques de pino-roble de la Sierra Madre Occidental) are a Temperate broadleaf and mixed forests ecoregion of the Sierra Madre Occidental range from the southwest USA region to the western part of Mexico. They are home to a large number of endemic plants and important habitat for wildlife.
Larrea tridentata is an evergreen shrub growing to 1 to 3 m (3 to 10 ft) tall, rarely 4 m (13 ft). The light gray stems of the plant bear resinous, dark green leaves with two opposite lanceolate leaflets joined at the base, with a deciduous awn between them, each leaflet 7 to 18 mm ( to in) long and 4 to 8.5 mm ( to in) broad.
From the Miocene to Pliocene New Mexico was home to creatures such as four-tusked relatives of modern elephants. Other inhabitants included an abundance of beavers, three-toed horses, and rhinoceroses. Trees growing in New Mexico have been preserved as petrified wood, some specimens have opalized into a gem-like substance. [16]
The Gila Wilderness is located in southwest New Mexico, north of Silver City and east of Reserve. It contains the West Fork, Middle Fork and much of the East Fork of the Gila River; riverside elevations of around 4,850 feet (1,480 m) are the lowest in the wilderness. The Mogollon Mountains traverse an arc across the wilderness.
Note the two sieves catching charred seeds and charcoal, and the bags of archaeological sediment waiting for flotation. Paleoethnobotany (also spelled palaeoethnobotany), or archaeobotany, is the study of past human-plant interactions through the recovery and analysis of ancient plant remains. Both terms are synonymous, though paleoethnobotany ...
Ephedra is a genus of gymnosperm shrubs. The various species of Ephedra are widespread in many arid regions of the world, ranging across southwestern North America, southern Europe, northern Africa, southwest and central Asia, northern China and western South America. [2] It is the only extant genus in its family, Ephedraceae, and order ...
Big sagebrush is a coarse, many-branched, pale-grey shrub with yellow flowers and silvery-grey foliage, which is generally 0.5–3 metres (1 + 1 ⁄ 2 –10 feet) tall. [3] A deep taproot 1–4 m (3 + 1 ⁄ 2 –13 ft) in length, coupled with laterally spreading roots near the surface, allows sagebrush to gather water from both surface precipitation and the water table several meters beneath.