Ostrácodos de la zona estuárica de la laguna costera Mar Chiquita (provincia de Buenos Aires, Argentina)
; Ferrero, Laura ; de Francesco, Claudio German 
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04/2022
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Museo Argentino de Ciencias Naturales Bernardino Rivadavia
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Revista del Museo Argentino de Ciencias Naturales
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1514-5158
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La laguna costera Mar Chiquita (37°42´S; 57°25´O), declarada Reserva Mundial de Biosfera por la UNESCO en el año 1996, se localiza al sudeste de la provincia de Buenos Aires. La laguna es dividida en dos ambientes bien diferenciados, un cuerpo lagunar, donde la acción de la marea no es percibida; y un sector de características netamente estuariales. El objetivo del presente estudio fue conocer la composición taxonómica de las comunidades de ostrácodos vivientes de la laguna costera Mar Chiquita. Se identificaron cuatro taxones de ostrácodos: Cyprideis salebrosa hartmanni, Callistocythere asperereticulata, Cytherura dimorphica y Limnocythere cusminskyae. La coexistencia de las mismas indica que son tolerantes a amplias variaciones de salinidad debido a las influencias de mareas y fluctuaciones en los aportes de aguas continentales.
Ostracods from the estuarine zone of the Mar Chiquita coastal lagoon (Buenos Aires Province, Argentina). The Mar Chiquita coastal lagoon (37°42´S; 57°25´O), declared a World Biosphere Reserve by the UNESCO in 1996, is situated in the southeastern Buenos Aires Province. The lagoon is divided into two well differentiated environments, an innermost shallow zone where the tidal effect is insignificant and an estuarine zone subjected to tidal action. The aim of the present study was to know the taxonomic composition of the living ostracods communities of the Mar Chiquita coastal lagoon. Four ostracod taxa were identified: Cyprideis salebrosa hartmanni, Callistocythere asperereticulata, Cytherura dimorphica, and Limnocythere cusminskyae. The coexistence of species was interpreted as evidence of their tolerance to wide variations in salinity due to tidal influences and fluctuations in the contribution of inland waters.
Ostracods from the estuarine zone of the Mar Chiquita coastal lagoon (Buenos Aires Province, Argentina). The Mar Chiquita coastal lagoon (37°42´S; 57°25´O), declared a World Biosphere Reserve by the UNESCO in 1996, is situated in the southeastern Buenos Aires Province. The lagoon is divided into two well differentiated environments, an innermost shallow zone where the tidal effect is insignificant and an estuarine zone subjected to tidal action. The aim of the present study was to know the taxonomic composition of the living ostracods communities of the Mar Chiquita coastal lagoon. Four ostracod taxa were identified: Cyprideis salebrosa hartmanni, Callistocythere asperereticulata, Cytherura dimorphica, and Limnocythere cusminskyae. The coexistence of species was interpreted as evidence of their tolerance to wide variations in salinity due to tidal influences and fluctuations in the contribution of inland waters.
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