Utilización de macroinvertebrados acuáticos como herramienta para determinar la calidad del agua en la quebrada Santo Tomás, municipio de Pensilvania, Colombia

Objetivo: Esta investigación tuvo como objetivo evaluar la salud ambiental del ecosistema lótico río Ranchería en el área de influencia del complejo carbonífero El Cerrejón, a través de bioindicación con macroinvertebrados acuáticos. Metodología: Se establecieron tres estaciones de monitoreo (E1, E2 y E3), en las cuales se realizaron mediciones de variables fisicoquímicas como: temperatura (ºC), oxígeno disuelto (mg/l), pH, salinidad (%o), conductividad (µS/cm), turbidez (UNT), sólidos suspendidos totales (mg/l), cloruros (mg/l), amonios (µg/l), nitritos -(µg/l), nitratos (µg/l), fosfatos (µg/l) y demanda bioquímica de oxígeno (mg/l) Los macroinvertebrados acuáticos se colectaron a través de muestreo multihábitat por arrastre con red surber, red D-net y recolección de organismos bentónicos, usando nucleadores PVC. La calidad de las aguas en cada estación de monitoreo se clasificó mediante el índice BMWP/col. Resultados: Como resultados relevantes, se encontró que las familias de macroinvertebrados acuáticos con más abundancia en E1 fueron Baetidae, Coenagrionidae, Philopomamidae, Leptohyphidae y Leptophlebiidae; en E2, Culicidae, Hydrophilidae, Coenagrionidae, Psephenidae e Hydrobiidae, y en E3, Coenagrionidae, Hydrobiidae, Belastomatidae y Palaemonidae. Conclusiones: Se concluye que E1 posee aguas de buena calidad (BMWP/col = 130; ASPT = 6,50), con alta diversidad y riqueza (H’E1 = 3,75 bits/ind; IE1 = 4,76); E2 y E3 poseen aguas de calidad aceptable (BMWP/col = 65; ASPT = 5,00) y calidad dudosa (BMWP/col = 50; ASPT = 5,25), respectivamente, con mediana diversidad de familias (H’E2 = 2,97 bits/ind y H’E3 = 2,32 bits/ind) y mediana riqueza (IE2 = 2,82 y IE3 = 1,88).

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Salud ambiental del río ranchería a través de macroinvertebrados acuáticos en el área de influencia del complejo carbonífero el cerrejón

Romero

Molina-Bolívar

Chávez

2020

Tecnura

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Water quality assessment using biological indicators in Cane River - Colombia

Vega-Garzón,

Pulido,

Sánchez-Rodríguez

et al. 2024

Rev.Fac.Ing.Univ.Antioquia

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This study shows the results of a water quality assessment for the Basin of the Cane River, which belongs to Iguaque Flora and Fauna Sanctuary National Natural Park, a naturally protected area formed by the Andean Forest and paramo ecosystems in Colombia. The water quality of this river is impacted by agricultural runoff and domestic wastewater from human activities in the buffer area. This was assessed by using chemical, physical, and biological indexes. The IDEAM, NSF and water quality indexes were based on the European standards of measurement. Further to this, BMPW/Col and ETP biological indexes were analyzed and, amongst these, IDEAM WQI (Water quality index) and ETP showed a good correlation. A similar trend was found between the IDEAM water quality index and BMWP/Col index, showing their potential as a good tool for water catchment, diagnosis, assessment, and management in Andean paramo basins. In total, 537 specimens of macroinvertebrates were collected, identifying 8 taxonomic orders, 16 families and 18 genera. Predominant orders were Trichoptera, Ephemeroptera, and Diptera. Baetidae and Planariidae taxas were found in the three water quality levels, showing a decrease in number with a decrease in water quality. Thus, both species have shown sensibility to water quality parameters and also to riverine habitat quality, being then interesting species to determine water quality, deserving more detailed studies for similar cases in high Andean forests and paramo basins.

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First record of the larvae Byrsopteryx Flint, 1981 (Trichoptera: Hydroptilidae) in Colombia

Vásquez-Ramos

Osorio-Ramírez

Caro-Caro

2020

Rev. Acad. Colomb. Cienc. Ex. Fis. Nat.

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Hydroptilidae is one of the most diverse families of the order Trichoptera in the world. Neotropical fauna has 36 genera. In Colombia, 14 have been reported in the larval stage and 11 in the adultstage. In the present study, a Byrsopteryx larva is registered for the first time in Colombia. The larvawas found in the Orotoy River (919 MASL), a stream from the foothills of the eastern flank of the country’s Eastern Cordillera (Orinoquia) characterized as waterfall current with riffle on rocks and pebbles, preserved riparian vegetation with open canopy, and clay-loam soil. The water temperature was 19.7 ºC, pH 5.8, conductivity 15.6 uS/cm, and dissolved oxygen 9.1-9.7 mg/lO2. Given the high diversity of aquatic ecosystems and the limited knowledge of Hydroptilidae genera in Colombia, we hope to open the way for new research and discovery of more species in the country.

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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

Cited by 5 publications

References 7 publications

Salud ambiental del río ranchería a través de macroinvertebrados acuáticos en el área de influencia del complejo carbonífero el cerrejón

Salud ambiental del río ranchería a través de macroinvertebrados acuáticos en el área de influencia del complejo carbonífero el cerrejón

Water quality assessment using biological indicators in Cane River - Colombia

First record of the larvae Byrsopteryx Flint, 1981 (Trichoptera: Hydroptilidae) in Colombia

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