Assessment of water quality in temperate-plain streams (Argentina, South America) using a multiple approach

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We assessed the water quality in two pampean lotic systems (Argentina), the Juan Blanco and Buñirigo streams, subjected to different land uses (i. e., the UNESCO Biosphere Nature Reserve versus industry and agriculture, respectively) through measurements of physicochemical data and the structural pa...

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Autores principales: Ocón, Carolina, Rodrigues Capítulo, Alberto
Formato: Articulo
Lenguaje:Inglés
Publicado: 2012
Materias:
Ecología
Biología
Pollution
Macroinvertebrates
Physicochemical parameters
Ecotoxicological analyses
Pampean streams
Polución
Macroinvertebrados
Parámetros físico-químicos
Análisis ecotoxicológicos
Arroyos pampeanos
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/100101
https://ri.conicet.gov.ar/11336/27119
http://www.scielo.org.ar/scielo.php?pid=S1667-782X2012000200001&script=sci_abstract&tlng=ee
https://drive.google.com/file/d/0B4DdYjAaJQ4xZmZlb2N3U0l4LW8/view
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-100101
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ecología
Biología
Pollution
Macroinvertebrates
Physicochemical parameters
Ecotoxicological analyses
Pampean streams
Polución
Macroinvertebrados
Parámetros físico-químicos
Análisis ecotoxicológicos
Arroyos pampeanos
spellingShingle Ecología
Biología
Pollution
Macroinvertebrates
Physicochemical parameters
Ecotoxicological analyses
Pampean streams
Polución
Macroinvertebrados
Parámetros físico-químicos
Análisis ecotoxicológicos
Arroyos pampeanos
Ocón, Carolina
Rodrigues Capítulo, Alberto
Assessment of water quality in temperate-plain streams (Argentina, South America) using a multiple approach
topic_facet Ecología
Biología
Pollution
Macroinvertebrates
Physicochemical parameters
Ecotoxicological analyses
Pampean streams
Polución
Macroinvertebrados
Parámetros físico-químicos
Análisis ecotoxicológicos
Arroyos pampeanos
description We assessed the water quality in two pampean lotic systems (Argentina), the Juan Blanco and Buñirigo streams, subjected to different land uses (i. e., the UNESCO Biosphere Nature Reserve versus industry and agriculture, respectively) through measurements of physicochemical data and the structural parameters of the macroinvertebrate assemblages in addition to ecotoxicological analyses. The objective was to identify the degree of ecological impairment in adversely affected areas and the consequent effects on the biota. The results obtained allowed the establishment of different water-quality classes within the study area. According to the indices applied, the downstream zone of the Buñirigo stream was categorized as moderately polluted on the basis of losses of sensitive benthic species or changes in their abundance. Likewise, acute ecotoxicological bioassays demonstrated that the water from this site had lethal effects on Caenis nemoralis (Ephemeroptera: Caenidae) larvae. This sampling point also exhibited relevant physicochemical features, such as high water conductivity and nutrient levels as well as low contents of dissolved oxygen.
format Articulo
Articulo
author Ocón, Carolina
Rodrigues Capítulo, Alberto
author_facet Ocón, Carolina
Rodrigues Capítulo, Alberto
author_sort Ocón, Carolina
title Assessment of water quality in temperate-plain streams (Argentina, South America) using a multiple approach
title_short Assessment of water quality in temperate-plain streams (Argentina, South America) using a multiple approach
title_full Assessment of water quality in temperate-plain streams (Argentina, South America) using a multiple approach
title_fullStr Assessment of water quality in temperate-plain streams (Argentina, South America) using a multiple approach
title_full_unstemmed Assessment of water quality in temperate-plain streams (Argentina, South America) using a multiple approach
title_sort assessment of water quality in temperate-plain streams (argentina, south america) using a multiple approach
publishDate 2012
url http://sedici.unlp.edu.ar/handle/10915/100101
https://ri.conicet.gov.ar/11336/27119
http://www.scielo.org.ar/scielo.php?pid=S1667-782X2012000200001&script=sci_abstract&tlng=ee
https://drive.google.com/file/d/0B4DdYjAaJQ4xZmZlb2N3U0l4LW8/view
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AT rodriguescapituloalberto evaluaciondelacalidaddelaguamedianteunenfoquemultipleenarroyosdelallanuratempladaargentinaamericadelsur
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