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Part of book or chapter of book . 2021
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Fitoplancton del embalse Escaba

Authors: Martinez Demarco, Solange Romina; Tracanna, Beatriz Concepcion; Mirande, Virginia; Isasmendi, Sara Celina; Taboada, María de Los Ángeles;

Fitoplancton del embalse Escaba

Abstract

En este capítulo se analizan las variaciones espaciales y temporales del fitoplancton de la zona limnética del embalse Escaba y la desembocadura de sus tributarios: ríos Chavarría, Las Moras, El Chorro y Singuil, respecto a variables físicas y químicas para caracterizar la calidad del agua desde agosto de 2010 a mayo de 2012. Se identificaron 135 taxones pertenecientes a las diatomeas (77), clorofitas (35), cianobacterias (12), carofitas (5), euglenoides (5) y dinoflagelado (1). La densidad algal fluctuó entre 84 a 6924 ind/ml y Ceratium hirundinella fue dominante excepto en primavera de 2011. La clorofila a tuvo un rango variable a nivel temporal y espacial que varió entre 6 y 2511 μg/l, encontrándose mayores registros en los afluentes. Los elevados valores de biomasa y la caracterización polisapróbica de sus aguas determinaron un estado ecológico deficiente o malo. La diversidad específica osciló entre 0-2,76. Por último, se contribuye al conocimiento de la biodiversidad algal del embalse Escaba y se amplía el área de distribución de C. hirundinella en la provincia de Tucumán.

This chapter analyzes space-time variations of phytoplankton in the limnetic zone of the Escaba reservoir and the mouths of its tributary rivers, Chavarría, Las Moras, El Chorro and Singuil, considering physicochemical variables in order to characterize the water quality between 2010 and 2012. One hundred and thirty-five taxa were determined: 77 diatoms, 35 chlorophytes, 12 cyanobacteria, 5 charophytes, 5 eugle- noids and 1 dinoflagellate. Algal density varied between 84 and 6,924 individuals/ml with Ceratium hirundinella as the dominant species, except for the spring of 2011. Chlorophyll-a varied seasonally and in space with values between 6 and 2,511 μg/l, with higher numbers for the affluents. Elevated biomass values and the polysapro- bic character of the waters defined a deficient or bad ecological status. The specific diversity oscillated between 0 and 2.76. The present study provides new information regarding the algal biodiversity of the Escaba dam and the distribution area of C. hirundinella in the province of Tucumán

Fil: Taboada, María de Los Ángeles. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - Tucumán. Unidad Ejecutora Lillo; Argentina. Fundación Miguel Lillo. Dirección de Botánica. Instituto de Ficología; Argentina

Fil: Tracanna, Beatriz Concepcion. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - Tucumán. Unidad Ejecutora Lillo; Argentina. Fundación Miguel Lillo. Dirección de Botánica. Instituto de Ficología; Argentina

Fil: Isasmendi, Sara Celina. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo; Argentina

Fil: Martinez Demarco, Solange Romina. Fundación Miguel Lillo. Dirección de Botánica. Instituto de Ficología; Argentina

Fil: Mirande, Virginia. Fundación Miguel Lillo. Dirección de Botánica. Instituto de Ficología; Argentina

Country
Argentina
Keywords

ALGAS, ARGENTINA, https://purl.org/becyt/ford/1.6, CERATIUM HIRUNDINELLA, RESERVORIO, https://purl.org/becyt/ford/1, TUCUMAN

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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
Average
Average
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Italian National Biodiversity Future Center