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      Utilización de macroinvertebrados acuáticos como herramienta para determinar la calidad del agua en la quebrada Santo Tomás, municipio de Pensilvania, Colombia Translated title: Utilization of aquatic macroinvertebrates as a tool to determine water quality in Santo Tomás ravine, Pensilvania municipality (Colombia)

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          Abstract

          Resumen A pesar de la riqueza hídrica del municipio de Pensilvania, Caldas, y del creciente uso de los macroinvertebrados acuáticos como herramienta sencilla, eficiente y de bajo costo para determinar la calidad del agua en diversos ecosistemas, no se conocen estudios de este tipo en el municipio. El objetivo de esta investigación fue evaluar la diversidad de los macroinvertebrados acuáticos y la calidad del agua de la quebrada Santo Tomás en el municipio de Pensilvania. Se recolectaron muestras de macroinvertebrados entre junio y agosto de 2015 en diferentes hábitats (hojarasca sumergida, sedimento fino y rocas), empleando una red Surber. Se registraron 2.175 individuos pertenecientes a 97 grupos taxonómicos; los órdenes más abundantes fueron Trichoptera y Ephemeroptera (54 %). No se encontraron diferencias significativas (p>0,05) en términos de diversidad entre los sitios evaluados y según los índices BMWP/Col y EPT, las aguas son muy limpias, aunque el índice ASPT indicó la presencia de aguas ligera y moderadamente contaminadas.

          Translated abstract

          Abstract Despite the water wealth of the municipality of Pensilvania, Caldas, and the growing use of aquatic macroinvertebrates as a simple, efficient and low-cost tool to determine water quality in various ecosystems, no studies of this type are known in the municipality. The objective of this research was to evaluate the diversity of aquatic macroinvertebrates and the water quality of the Santo Tomás stream in the municipality of Pennsylvania. Samples of macroinvertebrates were collected between June and August 2015 in different habitats (submerged leaf litter, fine sediment, and rocks), using a Surber net. There were 2,175 individuals belonging to 97 taxonomic groups; the most abundant orders were Trichoptera and Ephemeroptera (54%). No significant differences were found (p> 0.05) in terms of diversity between the evaluated sites and, according to the BMWP / Col and EPT indices, the waters are very clean, although the ASPT index indicated the presence of lightly to moderately polluted waters.

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          Most cited references31

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          Riparian deforestation, stream narrowing, and loss of stream ecosystem services.

          A study of 16 streams in eastern North America shows that riparian deforestation causes channel narrowing, which reduces the total amount of stream habitat and ecosystem per unit channel length and compromises in-stream processing of pollutants. Wide forest reaches had more macroinvertebrates, total ecosystem processing of organic matter, and nitrogen uptake per unit channel length than contiguous narrow deforested reaches. Stream narrowing nullified any potential advantages of deforestation regarding abundance of fish, quality of dissolved organic matter, and pesticide degradation. These findings show that forested stream channels have a wider and more natural configuration, which significantly affects the total in-stream amount and activity of the ecosystem, including the processing of pollutants. The results reinforce both current policy of the United States that endorses riparian forest buffers as best management practice and federal and state programs that subsidize riparian reforestation for stream restoration and water quality. Not only do forest buffers prevent nonpoint source pollutants from entering small streams, they also enhance the in-stream processing of both nonpoint and point source pollutants, thereby reducing their impact on downstream rivers and estuaries.
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            Leaf litter breakdown rates in boreal streams: does shredder species richness matter?

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              Key to the South America genera of Elmidae (Insecta: Coleoptera) with distributional data

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                racefn
                Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales
                Rev. acad. colomb. cienc. exact. fis. nat.
                Academia Colombiana de Ciencias Exactas, Físicas y Naturales (Bogotá, Distrito Capital, Colombia )
                0370-3908
                September 2018
                : 42
                : 164
                : 212-220
                Affiliations
                [3] La Dorada orgnameServicio Nacional de Aprendizaje, SENA orgdiv1Estudiante-Aprendiz Colombia
                [2] Puerto Boyacá orgnameServicio Nacional de Aprendizaje (SENA) orgdiv1Semillero de Investigación IDEAS Colombia
                [1] La Dorada orgnameServicio Nacional de Aprendizaje (SENA) orgdiv1Sistema de investigación, desarrollo tecnológico e innovación (SENNOVA), Centro Pecuario y Agroempresarial orgdiv2Grupo de Investigación en Recursos Naturales, Biotecnología y Bioprospección (RENABBIO) Colombia
                Article
                S0370-39082018000300212
                10.18257/raccefyn.655
                5a6c1633-840f-4a59-bcad-7258417e2eda

                This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

                History
                : 02 May 2018
                : 06 June 2018
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 40, Pages: 9
                Product

                SciELO Colombia

                Categories
                Ciencias naturales

                Bioindicadors,Biological diversity,Acueductos rurales,Fuente hídrica,Bioindicador,Diversidad biológica,Aquatic ecosystems,Monitoring,Rural aqueducts,Water sources,Ecosistemas acuáticos,Monitoreo

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