Composición taxonómica del zooplancton del embalse de betania, departamento del huila, colombia
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Herrera Martinez, Yimy
Guillot Monroy, Gabriel Hernando
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EspañolFecha de publicación
1999
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Durante el año de 1991 se realizaron muestreos con frecuencia bimestral en el embalse de Betania (alt.: 560 m.s.n.m.; área: 7.4 km2; volumen 1971x106 m3; prof. media: 28 m) en el departamento del Huila, con el objetivo de determinar la composición del zooplancton. En total se registraron 24 taxa: Thermocyclops decipiens (Crustacea, Copepoda), Moina sp., Ceriodaphnia cornuta y Allona sp. (Crustacea, Cladocera); 19 especies de rotíferos, de los cuales 7 corresponden al género Brachionus y larvas del díptero Chaoborus sp. Se registran por primera vez para Colombia Brachionus havanaensis, B. falcatus falcatus, b. quadridentatus, y Platyias cuadricornis f. brevispinus. A partir de la comparación con faunas zooplanctónicas de varios cuerpos de agua tropicales y subtropicales, se concluyó que la composición zooplanctónica del embalse es típica de lagos tropicales cálidos.
To determine the species composition of the zooplancton in the reservoir Betania (altitude; 560 m.a.s.l.; area: 7.4 km2; vol: 1971 x 106 m3; mean depht 28 m), at seven sites and several depths, bimonthly net samples (100 and 200 microns mesh size) were taken during 1991. Alltogether 24 species were found: Thermocyclops decipiens (Crustacea, Copepoda), Moina sp., Ceriodaphnia cornuta y Allona sp. (Crustacea, Cladocera); 19 species of rotífers, of which 7 belong to the genus Brachionus, as well as larvas of the dipter Chaoborus sp. For the first time Brachionus havanaensis, B. falcatus falcatus, b. quadridentatus, y Platyias cuadricornis f. brevispinus were found in Colombia. The species composition was compared with the composition of other lakes and comparison shows that the Betania reservoir has a typical species composition for warms tropical lakes.
To determine the species composition of the zooplancton in the reservoir Betania (altitude; 560 m.a.s.l.; area: 7.4 km2; vol: 1971 x 106 m3; mean depht 28 m), at seven sites and several depths, bimonthly net samples (100 and 200 microns mesh size) were taken during 1991. Alltogether 24 species were found: Thermocyclops decipiens (Crustacea, Copepoda), Moina sp., Ceriodaphnia cornuta y Allona sp. (Crustacea, Cladocera); 19 species of rotífers, of which 7 belong to the genus Brachionus, as well as larvas of the dipter Chaoborus sp. For the first time Brachionus havanaensis, B. falcatus falcatus, b. quadridentatus, y Platyias cuadricornis f. brevispinus were found in Colombia. The species composition was compared with the composition of other lakes and comparison shows that the Betania reservoir has a typical species composition for warms tropical lakes.
Abstract
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Ciencias Bilógicas ; Bilogía ; Medicina ; Reservoir ; Ciencias Bilógicas ; Bilogía ; Medicina ; Zooplancton ; Composición de Especies ; Embalses ; Tropical ; Betania ; Colombia