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Efecto combinado de los cambios de salinidad y la exposición al cadmio en las respuestas fisiológicas de Isognomon alatus (Bivalvia: Isognomonidae)

Authors: Polo-Osorio, Juan Manuel; Campos, Néstor Hernando;

Efecto combinado de los cambios de salinidad y la exposición al cadmio en las respuestas fisiológicas de Isognomon alatus (Bivalvia: Isognomonidae)

Abstract

<p>Se evaluó el efecto combinado de los cambios de salinidad y la exposición al cadmio en las respuestas fisiológicas de Isognomon alatus, especie con potencial biomonitor por su abundancia y resistencia a los cambios de salinidad, temperatura y pH. Se recolectaron 200 individuos que se separaron en el laboratorio en tres grupos y se aclimataron durante un mes en condiciones de salinidad de 36, 27 y 18 UPS, respectivamente. Posteriormente, los individuos se trasladaron en grupos de cinco según el nivel de salinidad a tres tanques con condiciones salinas de 36, 27 y 18 UPS; en cada experimento se aplicaron dos choques salinos y un control de salinidad. El experimento para determinar el efecto del cadmio se realizó una vez con agua libre de metales y otra con una concentración no letal de 1 μg/L de cloruro de cadmio. Se evaluaron las diferencias entre las respuestas fisiológicas con base en las tasas de filtración, respiración y de excreción de amonio, comparando los controles y los tratamientos. Los resultados evidenciaron diferencias tanto en los efectos individuales de los choques salinos como frente a la exposición al cadmio; asimismo, se observó un efecto sinérgico importante, que permitió concluir que la respuesta de la especie como biomonitor depende de las condiciones de salinidad del ecosistema y sus dinámicas. © 2016. Acad. Colomb. Cienc. Ex. Fis. Nat.</p>

Country
Colombia
Keywords

Isognomon alatus, Cadmio, Biomonitoring, Biomonitora, Physiological responses, Respuestas fisiológicas, Cadmium

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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