
espanolLa Serrania El Majuy ubicada en el municipio de Cota, Cundinamarca, es una formacion montanosa con una alta relevancia ecologica, la cual debido al incesante crecimiento industrial en la sabana de Bogota, principalmente en la sabana centro (sector de Siberia) puede sufrir alteraciones de tipo ambiental, paisajistico o sociocultural. El presente articulo explora la posible incidencia de la expansion industrial en el sector de Siberia, sobre las precipitaciones en inmediaciones del resguardo indigena de Cota, esto mediante pruebas fisicoquimicas (pH, nitritos, sulfatos y conductividad) y por medio de bioindicadores como los liquenes presentes en la zona (Cetrelia sp., Flavopunctelia sp., Usnea sp., hypotrachyna sp., Xanthoparmelia sp.,Acarospora socialis sp., Caloplaca chantolyta sp., Caloplaca socialis sp., Candelariella Xanthostigma sp.), con los cuales se calculo el Indice de Diversidad Liquenica (LDV), indice de Shannon e Indice de Pureza Atmosferica (IPA). Tambien se realizo un mapa de dispersion para la incidencia de la emision atmosferica, con el cual se determino que la Serrania El Majuy se podria presentar una concentracion de contaminantes considerable pero se requiere de mas datos para confirmar dicha afectacion. La principal conclusion de esta investigacion es que en general no se presenta un comportamiento acido en las precipitaciones en la serrania El Majuy en el periodo de tiempo evaluado. EnglishSerrania El Majuy, located in the municipality of Cota, Cundinamarca, is a mountainous formation with high ecological significance, which, due to continuous industrial growth in the savannah of Bogota, mainly in the central savannah (Siberia sector) can undergo environmental, scenic or cultural alterations. This article explores the potential impact of industrial expansion in the Siberia sector on rainfall in the vicinity of the indigenous reserve of Cota, carried out using physic-chemical tests (pH, nitrites, sulfates and conductivity) and through bio-indicators as lichens present in the area (Cetrelia sp., Flavopunctelia sp., Usnea sp., hypotrachyna sp., Xanthoparmelia sp.,Acarospora socialis sp., Caloplaca chantolyta sp., Caloplaca socialis sp., Candelariella Xanthostigma sp.), with which the Lichen Diversity Value (LDV) index, the Shannon index and the Atmospheric Purity Index (API) were calculated. A dispersion map was also made for the incidence of atmospheric emissions, with which it was determined that a significant pollutant concentration could be present in El Majuy mountain range but more data is required to confirm this affectation. The main conclusion of this research is that, in general, there is no acid behavior in rainfall in El Majuy mountain range in the period of time evaluated.
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