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espanolEl objetivo de este trabajo fue evaluar la eficiencia del sistema de lagunas de estabilizacion El Salguero mediante el uso de macroinvertebrados acuaticos. Se aplico del indice BMWP/Col (adaptado para Colombia) y los indices ecologicos de diversidad alfa y beta. Se colectaron macroinvertebrados acuaticos en las lagunas anaerobicas, facultativas y de maduracion. Los 2619 individuos colectados estan distribuidos en tres phylum, tres Clases, cinco Ordenes y 14 Familias. Los resultados obtenidos demuestran la dominancia del orden Diptera. El indice BMWP/Col indica que existen diferencias entre la calidad de agua en las diferentes lagunas de estabilizacion. Los indices ecologicos alfa y beta mostraron valores de diversidad entre medio y bajo y asociaciones entre las diferentes familias de taxones. En conclusion, la mayor diversidad de los macroinvertebrados acuaticos se obtuvo en las lagunas de maduracion siendo el orden Diptera los que tienen mayor presencia de individuos en cada fase de tratamiento. EnglishThe objective of this study was to evaluate the efficiency of the El Salguero stabilization lagoon system by examining aquatic macroinvertebrates. The BMWP/Col index adapted for Colombia was applied as well as the ecological indexes of alpha and beta diversity. Aquatic macroinvertebrates were collected from anaerobic, facultative, and maturation lagoons. The 2619 individuals collected were distributed in three phyla, three classes, five orders, and 14 families. The order Diptera was the most dominant. The BMWP/Col index showed differences in water quality between the different stabilization ponds examined. The ecological indexes alpha and beta showed diversity values ranging from medium to low and showed the associations and distributions of taxa families. In conclusion, the majority of the aquatic macroinvertebrate diversity was obtained from maturation lagoons and the order Diptera was the most prevalent in number of individuals at each treatment phase.

Uso de macroinvertebrados acuáticos como sistema de evaluación de las lagunas de estabilización El Salguero (Colombia)