2015
DOI: 10.18359/rfcb.381
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Densidad Larval de Chironomidae (Insecta: Diptera) en un Meandro del Río Bogotá (Cajicá, Colombia) Durante La Niña 2011

Abstract: RESUMENEntre febrero y septiembre de 2011 (condiciones climáticas La Niña) se evaluó la densidad larval de Chironomidae en tres sectores de un meandro del río Bogotá. Se consideraron algunas variables abióticas para estimar el estado trófico del agua y su influencia sobre estos organismos. La trasparencia (13,0-44,0 cm), temperatura (15,2-18,8°C), O 2 (0,5-7,8 mg/l), dureza (1,3-3,0 mg/l), pH (5,2-7,0), conductividad (194-718 µS/cm), Fe 2+ (0,1-0,9 mg/l), sólidos totales (137,0-927,5 mg/l) y relación N/P (1,0-… Show more

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Cited by 5 publications
(3 citation statements)
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“…Variations in precipitation can generate variations in the assemblages of aquatic ecosystems (Bispo et al, 2006). These variations result in a decrease in the abundance of organisms and, consequently, in the species richness due to the drift caused by the flow increase in rivers and streams (Restello et al, 2014;Peralta & Martin, 2015).…”
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confidence: 99%
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“…Variations in precipitation can generate variations in the assemblages of aquatic ecosystems (Bispo et al, 2006). These variations result in a decrease in the abundance of organisms and, consequently, in the species richness due to the drift caused by the flow increase in rivers and streams (Restello et al, 2014;Peralta & Martin, 2015).…”
mentioning
confidence: 99%
“…The excess of rain caused by El Niño in the southern hemisphere can affect the abundance of stream insects, on the other hand, the drought provoked by El Niña decrease drastically the water flow causing an increase of some stream invertebrates (Garcia et al, 2003;Garcia & Suárez, 2007;Carone et al, 2009). Drought periods compared to rainy seasons, generate greater stability for habitats and, consequently, for aquatic communities (Peralta & Martin, 2015). This is because the effects caused by high precipitation drastically alter the streambed heterogeneity, which has a direct effect on benthic assemblages.…”
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