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 > These trees, by locals referred to as Queñua, Yagual, and other names, can be found at altitudes of 4,500 m (14,760 ft) above sea level. A few species of hummingbirds, notably some hillstars, can be seen at altitudes above 4,000 m (13,100 ft), but far higher diversities can be found at lower altitudes, especially in the humid Andean forests ("cloud forests") growing on slopes in Colombia, Ecuador, Peru, Bolivia, and far northwestern Argentina. The small tree Cinchona pubescens, a source of quinine which is used to treat malaria, is found widely in the Andes as far south as Bolivia. The Andes of Chile and Argentina can be divided into two climatic and glaciological zones: the Dry Andes and the Wet Andes. It is between 4,500 and 4,800 m (14,764 and 15,748 ft) in the tropical Ecuadorian, Colombian, Venezuelan, and northern Peruvian Andes, rising to 4,800-5,200 m (15,748-17,060 ft) in the drier mountains of southern Peru and northern Chile south to about 30°S before descending to 4,500 m (14,760 ft) on Aconcagua at 32°S, 2,000 m (6,600 ft) at 40°S, 500 m (1,640 ft) at 50°S, and only 300 m (980 ft) in Tierra del Fuego at 55°S; from 50°S, several of the larger glaciers descend to sea level. The high-altitude Polylepis forests and woodlands are found in the Andean areas of Colombia, Ecuador, Peru, Bolivia, and Chile. It remains unclear if the patchy distribution of these forests and woodlands is natural, or the result of clearing which began during the Incan period. Yet another result of the dry climate are the salars of Atacama and Uyuni, the former being the largest source of lithium and the latter the world's largest reserve of the element. The Andean condor, the largest bird of its kind in the Western Hemisphere, occurs throughout much of the Andes but generally in very low densities. A long series of cultural development culminated in the expansion of the Inca civilization and Inca Empire in the central Andes during the 15th century. The Andes Mountains, initially inhabited by hunter-gatherers, experienced the development of agriculture and the rise of politically centralized civilizations, which culminated in the establishment of the century-long Inca Empire. The Andes are rich in fauna: With almost 1,000 species, of which roughly 2/3 are endemic to the region, the Andes are the most important region in the world for amphibians. About 30,000 species of vascular plants live in the Andes, with roughly half being endemic to the region, surpassing the diversity of any other hotspot. The diversity of animals in the Andes is high, with almost 600 species of mammals (13% endemic), more than 1,700 species of birds (about 1/3 endemic), more than 600 species of reptiles (about 45% endemic), and almost 400 species of fish (about 1/3 endemic). The Andes' dendritic glacier arms, components of valley glaciers, were up to 112.5 km (69.9 mi) long and over 1,250 m (4,101 ft) thick, and spanned a vertical distance of 5,150 m (16,896 ft). 20,000 years ago, the glaciers were over ten times longer. In 2017, nine years after the release of "Evolution", Ten Years After returned with the released their twelveth studio album, "A String in the Tale". Though precipitation increases with height, there are semiarid conditions in the nearly-7,000-metre (22,966 ft) highest mountains of the Andes. This all changed in the 16th century, when the Spanish conquistadors colonized the mountains in advance of the mining economy. Since then, many former Spanish territories have become five independent Andean states. In the tide of anti-imperialist nationalism, the Andes became the scene of a series of independence wars in the 19th century, when rebel forces swept through the region to overthrow Spanish colonial rule. Andes but are now greatly diminished, especially in the Chocó and inter-Andean valleys of Colombia. The northern Andes are typically rainy and warm, with an average temperature of 18 °C (64 °F) in Colombia. The Andes Mountains form a north-south axis of cultural influences. Press braking uses dies to form sheet metal along a straight axis. We are more distinguished than any other vendors in market, our metal roof sheets price per sheet is unquestionably the most affordable. Relative dating by biostratigraphy is the preferred method in paleontology and is, in some respects, more accurate. Founded in 1909, Bugatti has made some of the world's most iconic cars - none more so than the Veyron, which boasts a 16-cylinder engine capable of producing over 1,000 horsepower. More than 1,000 Americans were killed or went missing. If you loved this article and you would like to receive additional information concerning <a href="https://www.jr-rollformingmachines.com">track roll forming machine factory</a> kindly go to our own internet site.
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