Occurrence of toxic cyanobacterial blooms in Rio de la Plata Estuary, Argentina: field study and data analysis

Water samples were collected during 3 years (20042007) at three sampling sites in the Rio de la Plata estuary. Thirteen biological, physical, and chemical parameters were determined on the water samples. The presence of microcystin-LR in the reservoir samples, and also in domestic water samples, was...

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Autores principales: Giannuzzi, Leda, Carvajal, Georgina, Corradini, M., Araujo Andrade, C., Echenique, Ricardo Omar, Andrinolo, Darío
Formato: Articulo
Lenguaje:Inglés
Publicado: 2012
Materias:
Ciencias Exactas
contamination
water
cyanobacteria
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/84013
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-84013
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Exactas
contamination
water
cyanobacteria
spellingShingle Ciencias Exactas
contamination
water
cyanobacteria
Giannuzzi, Leda
Carvajal, Georgina
Corradini, M.
Araujo Andrade, C.
Echenique, Ricardo Omar
Andrinolo, Darío
Occurrence of toxic cyanobacterial blooms in Rio de la Plata Estuary, Argentina: field study and data analysis
topic_facet Ciencias Exactas
contamination
water
cyanobacteria
description Water samples were collected during 3 years (20042007) at three sampling sites in the Rio de la Plata estuary. Thirteen biological, physical, and chemical parameters were determined on the water samples. The presence of microcystin-LR in the reservoir samples, and also in domestic water samples, was confirmed and quantified. Microcystin-LR concentration ranged between 0.02 and 8.6µg.L <sup>-1</sup>. Principal components analysis was used to identify the factors promoting cyanobacteria growth. The proliferation of cyanobacteria was accompanied by the presence of high total and fecal coliforms bacteria (1500MNP/100mL), temperature ≥25ºC, and total phosphorus content ≥1.24mgL <sup>-1</sup>. The observed fluctuating patterns of Microcystis aeruginosa, total coliforms, and Microcystin-LR were also described by probabilistic models based on the log-normal and extreme value distributions. The sampling sites were compared in terms of the distribution parameters and the probability of observing high concentrations for Microcystis aeruginosa, total coliforms, and microcystin-LR concentration.
format Articulo
Articulo
author Giannuzzi, Leda
Carvajal, Georgina
Corradini, M.
Araujo Andrade, C.
Echenique, Ricardo Omar
Andrinolo, Darío
author_facet Giannuzzi, Leda
Carvajal, Georgina
Corradini, M.
Araujo Andrade, C.
Echenique, Ricardo Omar
Andrinolo, Darío
author_sort Giannuzzi, Leda
title Occurrence of toxic cyanobacterial blooms in Rio de la Plata Estuary, Argentina: field study and data analysis
title_short Occurrence of toxic cyanobacterial blooms in Rio de la Plata Estuary, Argentina: field study and data analysis
title_full Occurrence of toxic cyanobacterial blooms in Rio de la Plata Estuary, Argentina: field study and data analysis
title_fullStr Occurrence of toxic cyanobacterial blooms in Rio de la Plata Estuary, Argentina: field study and data analysis
title_full_unstemmed Occurrence of toxic cyanobacterial blooms in Rio de la Plata Estuary, Argentina: field study and data analysis
title_sort occurrence of toxic cyanobacterial blooms in rio de la plata estuary, argentina: field study and data analysis
publishDate 2012
url http://sedici.unlp.edu.ar/handle/10915/84013
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