Análisis de macroinvertebrados acuáticos como bioindicadores de calidad hídrica y la influencia del uso de suelo del estero el barro, Los ríos, Ecuador
The analysis of aquatic macroinvertebrates as bioindicators of water quality and the influence of soil uses in the el Barro micro-water, located in the canton Quevedo, allowed to know the prevalence of macroinvertebrate families (MAIA) based on land uses: Agricultural, Forest and Mine. The project w...
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| Format: | bachelorThesis |
| Jezik: | spa |
| Izdano: |
2020
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| Online pristup: | http://repositorio.uteq.edu.ec/handle/43000/6202 |
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Dodaj oznaku | Sažetak: | The analysis of aquatic macroinvertebrates as bioindicators of water quality and the influence of soil uses in the el Barro micro-water, located in the canton Quevedo, allowed to know the prevalence of macroinvertebrate families (MAIA) based on land uses: Agricultural, Forest and Mine. The project was developed in December, January and February (2020-2021), for which 3 sampling points were identified per coverage, with a distance of 200m upstream and downstream, having a total of 9 points. The methodology applied was developed in two phases: the first is based on field sampling (macroinvertebrate collection and water sampling) for the analysis of chemical physical parameters: pH, electrical conductivity, dissolved oxygen, total dissolved solids, temperature, and application of indices: river habitat (IHF) and river forest quality (QBR); In the second phase, a statistical analysis was carried out to determine the diversity indices: Shannon– Weaver (H) , Simpson (I-D), Pielou (J) and the biotic quality index BMWP-Cr. A total of 1302 species were obtained in 10 orders, 22 families and 26 genera, the most representative genera being Xiphocentron with 37.5%, followed by the genus Baetodes with 33.3%. The application of the Index (QBR) details that forest land use has a better quality of good-intermediate water between the three land uses, while the index (IHF) presents that forest cover has a good-moderate quality. According to the application of the BMWP-Cr index, it was obtained as a result that in the micro-water El Barro prevails the quality of bad water very contaminated (16-35). Keywords: Water quality, Aquatic macroinvertebrates, BMWP-Cr index |
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