NDLI: Uso de suelo y su influencia en la calidad del agua de la microcuenca El Sapanal, Ecuador / Soil use and its influence on the water quality of the El Sapanal micro watershed, Ecuador

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Uso de suelo y su influencia en la calidad del agua de la microcuenca El Sapanal, Ecuador / Soil use and its influence on the water quality of the El Sapanal micro watershed, Ecuador

Content Provider	Semantic Scholar
Author	Chuez, Norma María Guerrero Ponce, M. L. D. Zambrano, Juan Pablo Urdanigo Cajas, Cecilia Carolina Tay Hing Chuez, Raquel Verónica Guerrero Rosado, Ángel Joel Yépez
Copyright Year	2016
Abstract	El objetivo de esta investigacion fue determinar la calidad de agua a partir de la evaluacion del efecto en el cambio del uso de suelo, basadas en el estudio de la dinamica de los macroinvertebrados acuaticos como bioindicado-res, en la microcuenca “El Sapanal”. Se realizo una descripcion y levantamiento de areas con distintos usos de suelo (pastizal, bosque secundario y cultivos agricolas) mediante la observacion directa, recopilacion de datos de campo tomados con GPS, y aplicacion del programa AutoCAD Map3D. Se tomaron muestras de macroinvertebrados acuaticos con una red tipo “D” en diferentes tipos de habitat, para su identificacion por medio de estereoscopios hasta nivel de familia. Los macroinvertebrados identificados fueron utilizados en el indice Biological Monitoring Working Party modificado para Costa Rica (BMWP-Cr). El indice mostro que el uso de suelo del bosque posee aguas de calidad excelente, a diferencia del uso de suelo agricola y pastizal con aguas de calidad regular. Esto demuestra que la reduccion de la franja riberena contribuye a la degradacion del habitat interior y de la calidad del agua de la microcuenca. Palabras clave: Macroinvertebrados acuaticos, bioindicador, calidad del agua, contaminacion, Indice BMWP-Cr ABSTRACT The objective of this research was to determine the water quality from the evaluation of the effect on the change of the soil use, based on the study of aquatic macroinvertebrate dynamics as bioindicators, in the "El Sapanal" microbasin. A description and survey of areas with different soil uses (pasture, secondary forest and agricultural crops) was carried out by direct observation, field data collection using GPS, and applying AutoCAD Map 3D. Samples of aquatic macroinvertebrates was taken with a D type net in different habitat types, and identified up to the family level, using stereoscopic microscopy. The identified macroinvertebrates were used in the modified Biological Monitoring Working Party index for Costa Rica (BMWP-Cr). The index showed that the use of forest soil has excellent water quality, unlike the use of agricultural land and pasture with regular quality water. This shows that the reduction of the riparian strip contributes to the degradation of the interior habitat and the water quality of the micro watershed. Keywords: Aquactic macroinvertebrates, bioindicator, water quality, pollution, BMWP-Cr Index
Starting Page	11
Ending Page	11
Page Count	1
File Format	PDF HTM / HTML
Volume Number	5
Alternate Webpage(s)	http://www.rccb.uh.cu/index.php/RCCB/article/download/156/265
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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