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      Abundancia de Quironómidos (Diptera: Chironomidae) en el bordo "JC" del norte del Estado de México en el periodo de secas Translated title: Abundance of Quironomids (Diptera: Chironomidae) in the "JC" pond in northern Estado de Mexico in dry season

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          Abstract

          Los objetivos de este trabajo fueron: Determinar la composición y abundancia de los quironómidos en el bordo temporal "JC" del Estado de México y su relación con los siguientes parámetros ambientales: Temperatura, concentración de oxígeno, dureza, alcalinidad, conductividad, profundidad, transparencia y pH. Los quironómidos se colectaron con una mini draga Petersen y se identificaron con claves especializadas. El bordo es somero, el agua es turbia, de regular cantidad de oxígeno disuelto, alcalina y ligeramente dura. Se determinaron 15 géneros que en orden descendente de abundancia fueron: Endochironomus, Lenziella, Einfeldia, Chironomus, Dicrotendipes, Cryptochironomus, Cladopelma, Phaenopsectra, Rheotanytarsus, Micropsectra, Macropelopia, Microchironomus, Cricotopus, Polypedilum y Paratanytarsus. El mayor valor de correlación de Pearson de la abundancia de quironomidos con los parámetros ambientales fue con la concentración de oxígeno (r=−0.86, g.l.= 6, p<0.05) y la profundidad (r=−0.66, g.l.= 6, p<0.05), el modelo de regresión múltiple fue: Abn. quironómidos (ind/m²) = 10830.04 −(377.83xO²) +(26.11xDureza) −(32.46xConductividad) −(93.05xTransparencia) −(11.98xProfundidad)−(299.25xpH). (R²= 0.99, p<0.05 g.l.=1)

          Translated abstract

          The main goals in the present work were to determinate the composition and abundance of chironomids, and to assess the interrelations among several environmental parameters in a temporary pond, known as JC, located in the Estado de Mexico. Temperature, oxygen concentration, hardness, alkalinity, conductivity, depth, Secchi transparency and pH were evaluated. The chironomids were collected with a mini Petersen dredge and identified using specialized keys. The temporary pond is shallow, moderately hard, muddy, with intermediate levels of dissolved oxygen. Fifteen genera were determinated, according to their abundance were: Endochironomus, Lenziella, Einfeldia, Chironomus, Dicrotendipes, Cryptochironomus, Cladopelma, Phaenopsectra, Rheotanytarsus, Micropsectra, Macropelopia, Microchironomus, Cricotopus, Polypedilum and Paratany-tarsus. The most significant Pearson's correlations between chironomids abundances, and the environmentals parameters were oxygen concentration (r = −0.86, d.f =6, p<0.05) and depth (r = −0.66, d.f. =6, p<0.05). These results agree with a multiple regression test, resulting in Abn. chironomids (ind./m²) = 10830.04−(377.83xO2)+(26.11x hardness)−(32.46x conductivity)−(93.05x Secchi transparency)−(11.98x depth)−(299.25xpH). (R²= 0.99, p<0.05 d.f.=1)

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          Most cited references17

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          Biology of Freshwater Chironomidae

          L Pinder (1986)
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            Modificaciones al sistema de clasificación climática de Koopen (para adaptarlos a las condiciones de la República Mexicana)

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              Chironomidae of the Holarctic region. Keys and diagnoses. Part I. Larvae

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                hbio
                Hidrobiológica
                Hidrobiológica
                UAM, Unidad Iztapalapa,
                0188-8897
                2004
                : 14
                : 2
                : 157-160
                Affiliations
                [1 ] Universidad Nacional Autónoma de México México
                Article
                S0188-88972004000200009
                79918317-338d-44aa-9326-be9cf57b45e1

                This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 International License.

                History
                Categories
                Marine & Freshwater Biology

                Ecology
                zoobentos,quirómidos de estanque,zoobenthos,pond chironomids
                Ecology
                zoobentos, quirómidos de estanque, zoobenthos, pond chironomids

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