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The origin of terraces or andenes in the Andes is poorly understood, but they were being built by 2000 BCE. Agriculture became essential for the subsistence of a growing population after 900 BCE. People of the Huarpa culture and the later Wari culture (500–1000 CE) built terraces into the hillsides of the Andes in Peru. [4]
The Andean region, located in central Colombia, is the most populated natural region of Colombia. With many mountains, the Andes contain most of the country's urban centers. [ 1 ] They were also the location of the most significant pre-Columbian indigenous settlements.
Because of its natural structure, Colombia can be divided into six distinct natural regions.These consist of the Andean Region, covering the three branches of the Andes mountains found in Colombia; the Caribbean Region, covering the area adjacent to the Caribbean Sea; the Pacific Region adjacent to the Pacific Ocean; the Orinoquía Region, part of the Llanos plains mainly in the Orinoco river ...
The Oroncota area on the eastern slopes of the Andes consists of the narrow valleys of the Pilcomayo River and its tributary the Inkapampa River for a distance of 20 kilometres (12 miles), at an elevation of about 2,000 metres (6,600 ft). Agriculture was feasible near the river and on alluvial fans. Unlike many other Andean prehistoric sites ...
La Paz, Bolivia, is the second-largest city located in the Altiplano (after El Alto) Volcanoes in Sajama National Park (Parinacota and Pomerape). The Altiplano is an area of inland drainage lying in the central Andes, occupying parts of northern Chile, western Bolivia, southern Peru and northwest Argentina.
Terraces were built to permit agriculture in the rugged terrain of the Andes. The heartland of the Inca Empire was in the high plateaus and mountains of the Andes of Peru . This area is mostly above 3,000 metres (9,800 ft) in elevation and is characterized by low or seasonal precipitation, low temperatures, and thin soils.
The Southern Andes in Argentina and Chile, south of Llullaillaco, The Central Andes in Peru and Bolivia, and The Northern Andes in Venezuela, Colombia, and Ecuador. At the northern end of the Andes, the separate Sierra Nevada de Santa Marta range is often, but not always, treated as part of the Northern Andes. [3]
In agriculture, a terrace is a piece of sloped plane that has been cut into a series of successively receding flat surfaces or platforms, which resemble steps, for the purposes of more effective farming. This type of landscaping is therefore called terracing. Graduated terrace steps are commonly used to farm on hilly or mountainous terrain.