Human impact on the hydrology of the Andean páramos

Proyecto: Páramo Andino
Autor: Buytaert, Wouter
Autor(es) secundario(s): Célleri, Rolando De Bièvre, Bert Cisneros, Felipe Wyseure, Guido Deckers, Jozef Hofstede, Robert
Año: 2006
Países: Colombia, Ecuador, Venezuela, Perú
Área temática: Biodiversidad
Líneas de trabajo: Investigación y Monitoreo Socioambiental
Instituciones involucradas: CONDESAN, Universidad de Cuenca
Idioma: Inglés

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This paper analyses the problems involved in the conservation and management of the hydrological system of the South American páramo. The páramo consists of a collection of neotropical alpine grassland ecosystems covering the upper region of the northern Andes. They play a key role in the hydrology of the continent. Many of the largest tributaries of the Amazon basin have their headwaters in the páramo. It is also the major water source for the Andean highlands and a vast area of arid and semi-arid lowlands, where páramo water is used for domestic, agricultural and industrial consumption, and the generation of hydropower. Recently, the páramo is increasingly used for intensive cattle grazing, cultivation, and pine planting, among others. These activities, as well as global phenomena such as climate change, severely alter the hydrological regime. A review on the state of knowledge of its hydrology is given in a first part. In a second part, the impact of human activities and climate change on the hydrology of the páramo is discussed.