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Acta Biológica Colombiana

versión impresa ISSN 0120-548X

Resumen

SIMIJACA-SALCEDO, DIEGO FERNANDO; VARGAS-ROJAS, DIANA LUCIA  y  MORALES-PUENTES, MARIA EUGENIA. Use of Non Vascular Plant Organisms as Indicators of Urban Air Pollution (Tunja, Boyacá, Colombiano). Acta biol.Colomb. [online]. 2014, vol.19, n.2, pp.221-232. ISSN 0120-548X.  https://doi.org/10.15446/abc.v19n2.40681.

Lichens and bryophytes are useful organisms in air quality determination. In the city of Tunja (Boyacá, Colombia), is evident the lack of green areas by the increase of building, which contributes to the detriment of the atmospheric purity making unhealthy conditions to the citizens and habitats and population reduction of cryptogamic plants. Using the Index of Atmospheric Purity (IAP) we identified the greater influence air pollutants areas. Parmotrema austrosinense has the highest frequency; and the Normal Femenina station with an IAP of 52,2196 is an atmospheric pollutants influenced area; Parque Santander and Semáforos, are the most contaminated (IAP 8,5333) with only two species (Heterodermia albicans and Lobariaceae sp.). We highlight the evaluation in the Reserva Forestal Protectora El Malmo with an IAP of 34,0281 and 23 species. IAP values were grouped in isocontamination areas to be represented cartographically. The use of bioindicators organisms is a natural and economic strategy allowing us to mapping urban areas and make revegetation cities designs, generating the contaminants diminution air impact improving the citizen's life quality.

Palabras clave : bryophyte; contamination; index; lichens; urban.

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