Inventario de la flora y determinación del índice de contaminación de la microcuenca del Río Chimborazo en loa comunidad Calera Grande y Shobolpamba, parroquia San Juan, cantón Riobamba, provincia de Chimborazo

Abstract

The present research proposed: to carry out an inventory of the flora and determination of the contamination index of the microbasin of rhe Chimborazo river in the community Calera Grande and Shobolpamba, San Juan parish, Riobamba canton, Chimborazo province; with the help of GPS and field materials, the study area was delimited, three transects were identified where the plant species were identified and the bioindicator plants were analyzed, as well as the contamination indexes were evaluated through direct and indirect observation in the micro watershed of the Chimborazo river. During the investigation the inventory was obtained and we have the indices of Shannon and Simpson, in addition, a soil sample was collected and two samples of water with their label corresponding to the community being studied, which were transferred to the LSA (Laboratorio de servicios ambientales) of UNACH (Universidad Nacional de Chimborazo), with the respective physico-chemical and bacteriological parameters which the Indice de Calidad de Agua (ICA) was obtained, at the end of the research, 113 species were registered within the 3 transects of which 10 individuals are bioindicators corresponding to arboreous and herbaceous species, according to the Indice de Calidad de Agua (ICA), in the microbasin of the Chimborazo river corresponding to the study communities correspond to water of REGULAR quality. It is recommended to disseminate this research at the community level, so that they are direct participants in conservation projects of the miro-watershed and their compliance.

KEYWORDS: contamination index, plant species, bioindicator plants, water quality index.