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Article . 2009
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Biodiversidad del parque nacional pre-Delta (Entre Ríos, Argentina) II. Estudio cuantitativo del fitoplancton

Authors: Mirande, V.; Barreto, G. A.; Haleblian, S. E.; Tracanna, Beatriz Concepcion;

Biodiversidad del parque nacional pre-Delta (Entre Ríos, Argentina) II. Estudio cuantitativo del fitoplancton

Abstract

La falta de antecedentes ficológicos vinculados al Parque Nacional Pre-Delta nos condujo a realizar este estudio. El objetivo fue conocer la abundancia del fitoplancton en ambientes leníticos y lóticos de dicha área protegida, la cual está situada en la ciudad de Diamante (Entre Ríos). Se estudiaron siete zonas (tres lagunas, un arroyo y dos riachos) y las variables abundancia absoluta algal, biomasa y diversidad, empleándose para la ordenación de los sitios el análisis de componentes principales (ACP). Los resultados obtenidos evidenciaron a las diatomeas como el grupo dominante a través de las pennadas. Si se consideran a nivel de individuos aportados por las especies, Aulacoseira granulata fue dominante en líneas generales en los sistemas lóticos estudiados, no así en los sistemas lénticos. El empleo de variables específicamente vinculadas al fitoplancton como densidad absoluta, biomasa y diversidad posibilitó la separación de los sitios a través del ACP.

This paper was realized because of lack of phycologic dates from Pre-Delta National Park. The aim of this paper was to know abundance phytoplankton in lentic and lotic environments from this area, which is located in Diamante City (Entre Ríos). Seven sampling sites (three lakes, one stream and two rivers) and absolute algal abundance, biomass and diversity of phytoplankton were studied, employing the Principal Component Analyse (PCA) in the ordination of the sites. Our results have showed to diatoms as dominant across pennate group. The PCA separated the lotic and lentic water bodies in base of considered variables. If we consider to individual level given by species, Aulacoseira granulata was generally dominant in lotic systems but not in lentic systems. The absolute algal abundance, biomass and diversity variables permitted to separate the lentic and lotic sampling sites by means of the PCA utilization

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

Fil: Mirande, V.. Fundación Miguel Lillo. Dirección de Botánica. Instituto de Ficología; Argentina. Universidad Autónoma de Entre Ríos; Argentina

Fil: Haleblian, S. E.. Universidad Autónoma de Entre Ríos; Argentina

Fil: Barreto, G. A.. Universidad Autónoma de Entre Ríos; Argentina

Country
Argentina
Keywords

FITOPLANCTON, PARQUE NACIONAL PRE-DELTA, ENTRE RIOS, ARGENTINA, https://purl.org/becyt/ford/1.6, SISTEMAS LENITICOS Y LOTICOS, ABUNDANCIA, https://purl.org/becyt/ford/1

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BIP!Citations provided by BIP!
popularity
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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).
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impulse
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Italian National Biodiversity Future Center