sierra madre occidental location

Sierra madre occidental location

The Sierra Madre Occidental is a series of mountains in the North American Cordillera running northwest to southeast through western and northwestern Mexico and along the Gulf of California. This mountain range system is also part of the America Cordillera, a mountain range system consisting of an uninterrupted sequence of sierra madre occidental location ranges forming the western backbone of West Antarctica, North, Central, and South America.

The Sierra Madre Occidental is a major mountain range system of the North American Cordillera , that runs northwest—southeast through northwestern and western Mexico, and along the Gulf of California. The Sierra Madre is part of the American Cordillera , a chain of mountain ranges cordillera that consist of an almost continuous sequence that form the western "sounds" of North America , Central America , South America , and West Antarctica. The Spanish name sierra madre means "mother mountain range" in English, and occidental means "western", these thus being the "Western mother mountain range". The range extends from northern Sonora , a state near the Mexico—U. The high plateau that is formed by the range is cut by deep river valleys. This plateau is formed from volcanic rock overlying a basement of metamorphic rock.

Sierra madre occidental location

Running from north to south along the western coast of Mexico , the Sierra Madre Occidental is a chain of peaks known for its rugged summits and deep canyons, or barrancas. The Sierra Madre Occidental is a massive system of mountain ranges that runs down the west coast of Mexico. It is bordered to the north by the Southwest Basins and Ranges which themselves are a subsection of the Great Basin Ranges. Meanwhile, to the east, the range transitions into the Mexican Plateau. Overall, the Sierra Madre Occidental is a very remote region of Mexico. While there are quite a few small communities in the range, particularly in Copper Canyon Barrancas del Cobre , only a handful of paved roads actually cross the range, making travel through the area particularly challenging. Geographically, the range can be divided into regions based on the 6 large canyons formed by the 6 rivers that run through the Sierra Madre Occidental before draining into the Rio Fuerte and into the Gulf of California. The largest of these is Copper Canyon, though most of the towns in the region are located in the various canyons. However, the range itself is actually the remnant of a high plateau of extrusive igneous rocks that eroded over millennia to reveal the intrusive igneous and sedimentary basement rocks below. There is some debate as to the origin of this basement rock, though some believe it may be older than that found in other parts of North America. Throughout the range, there are multiple terranes, which is a fragment of crust that accreted onto another piece of crust, even though they have different origins and compositions. Although the range did experience extensive volcanism in the past, which also deposited substantial amounts of gold and silver in the area, most of these volcanoes are either dormant or extinct. The climate, and, thus, the ecology of the Sierra Madre Occidental depends greatly on location in this north to south mountain range. There are also large seasonal variations in temperature and moisture in the region due to its proximity to both the Atlantic and Pacific Oceans. Within the Sierra Madre Occidental, there is a wet summer monsoon season as well as a relatively dry winter season.

Smithsonian Institution Press. It is bordered to the north by the Southwest Basins and Ranges which themselves are a subsection of the Great Basin Ranges, sierra madre occidental location. Due to the early flowering, fruit is ripe and seeds are dispersed at the beginning of the rains.

The EBA is characterized by temperate forests: with increasing altitude from 1, to 3, m these are of mature pine oak, pine, and fir. The dominant species are mainly pine Pinus but also spruce Abies , firs Pseudotsuga , oaks Quercus , Arbutus and Pop ulus. In humid canyons below 2, m the main habitat is evergreen and semi-evergreen forest. All the restricted-range species are forest birds, apart from Xenospiza baileyi , which favours marsh and bunch-grass, but is normally in areas with some pines. This species and Atlapetes virenticeps are found in both the Sierra Madre Occidental and the trans-Mexican range, whereas Rhynchopsitta pachyrhyn cha but see below , Campephilus imperialis and Cyanocorax dickeyi are mainly in the Sierra Madre Occidental, with C. Eared Quetzal Euptilotis neoxenus is not included as a restricted-range species though, like Rhyncho psitta pachyrhyncha and Campephilus imperialis , it is confined to the Sierra Madre Occidental because its habitat and altitudinal preferences are more varied than these species and it is therefore judged to have a range larger than 50, km 2. Campephilus imperialis shows the most precise preferences, being a specialist of old-growth pine forests trees commonly m to the lowest limb with many dead branches, usually intermixed with grassy areas on flat mountain-tops, and with almost all records coming from 1,, m Collar et al.

The Sierra Madre is the principal mountain system of Mexico that encloses the central Mexican Plateau. Extending the length of Mexico, the mountains form a broad northwest-southeast arc. The Sierra Madre mountain system is part of the American Cordillera, a chain of mountain ranges cordillera that consists of an almost continuous sequence of ridges that form the western backbone of North America, Central America, South America, and West Antarctica. The primarily volcanic Sierra Madre Occidental is a primary mountain range system of the North American Cordillera that runs 1, km mi on a northwest-southeast course parallel to the Pacific coast of Mexico; through northwestern and western Mexico and along the Gulf of California. Forming the western border of the Mexican Plateau , the range extends from northern Sonora state near the Mexico-U. Deep river valleys, or barrancas, cut the high plateau formed by the range, the most spectacular of which is the complex known as Copper Canyon Barranca del Cobre in southwestern Chihuahua state. This plateau is formed from volcanic rock overlying a basement of metamorphic rock. This uplift has caused changes in weather patterns; increased mountain rainfall has provided areas where ecosystems can form in wetter areas than the surrounding land.

Sierra madre occidental location

Mountain Field Guide. White Mountain Peak. Jul 08 In the heart of Mexico lies a natural treasure that has remained largely unexplored and underappreciated — Sierra Madre Occidental. This magnificent mountain range, stretching across the western part of the country, offers a unique glimpse into the rich biodiversity and stunning landscapes that define this region. The Sierra Madre Occidental, often overshadowed by its eastern counterpart, the Sierra Madre Oriental, is a remarkable spectacle in its own right. For the uninitiated, the Sierra Madre Occidental may seem like just another mountain range. However, delve deeper, and one would find a treasure trove of natural wonders that are not found anywhere else in the world. This destination beckons travelers and nature enthusiasts with its awe-inspiring vistas and rich biodiversity.

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After leaving San Carlos in the fall of , Geronimo and other Apache moved to the mountains, [] and became known as the Nednai , sometimes referred to as the "Pinery Apache" or "Bronco Apache". The Sonoran Desert is found in the northwestern foothills at 1,—2, m 3,—6, ft. The Sierra Madre Oriental is one of three main mountain ranges surrounding the Mexican Plateau, which covers much of northern and central Mexico. Meanwhile, the Chihuahuan desert is located to the northeast of the range, and covers part of its lowlands. Sierra Madre Sparrow Xenospiza baileyi. Perhaps one of the first Europeans to arrive in the region was Francisco de Ibarra,who traveled along the western coast of Mexico and crossed the Sierra Madre in the s and s. Regions of North America. Mexico City. The range extends from northern Sonora , a state near the Mexico—U. Rhynchopsitta pachyrhyncha prefers temperate conifer forests with abundant cones, but breeding has been confirmed only in the northern half of the Sierra Madre Occidental in Chihuahua and Durango states though it may have once bred in the Chiracahua mountains of south-east Arizona Collar et al. The surface of the plateau is made up of a second series of volcanic ignimbrites , covered mostly by clay rich organic soils. Much of the Sierra Madre Occidental is quite remote, though there are a few areas in the range that are popular for outdoor recreation.

Running from north to south along the western coast of Mexico , the Sierra Madre Occidental is a chain of peaks known for its rugged summits and deep canyons, or barrancas. The Sierra Madre Occidental is a massive system of mountain ranges that runs down the west coast of Mexico. It is bordered to the north by the Southwest Basins and Ranges which themselves are a subsection of the Great Basin Ranges.

This rise in humidity accompanies the monsoon. You can help Wikipedia by adding to it. Soils along the eastern slopes have increased organic content and a clay heavy layer that is developed more than those of the more arid eastern lands. Archived from the original PDF on 11 April This forest and canyon land provided a place for a variety of indigenous people to live, until Spanish settlers with associated mestizos came into the area to found towns for the silver mines in the area. Mountain range along the Pacific coast of Mexico. Fissure-vein deposits have been divided into two groups of fissure vein deposits, which are divided geographically into an eastern and western series. Meanwhile, the Chihuahuan desert is located to the northeast of the range, and covers part of its lowlands. Terrestrial Ecoregions. Retrieved 6 November It is bordered to the north by the Southwest Basins and Ranges which themselves are a subsection of the Great Basin Ranges. The need for water to irrigate prompted the construction of dams, which has been the source of several environmental concerns in the area. Thick-billed Parrot Rhynchopsitta pachyrhyncha.

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