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dc.contributor.author
Calderon, Mirian Roxana
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dc.contributor.author
Moglia, Marta Matilde
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dc.contributor.author
Nievas, Romina Paola
dc.contributor.author
Colombetti, Patricia Laura
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dc.contributor.author
Gonzalez, Silvia Patricia
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dc.contributor.author
Jofré, Mariana
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dc.date.available
2018-11-14T20:18:32Z
dc.date.issued
2017-09-03
dc.identifier.citation
Calderon, Mirian Roxana; Moglia, Marta Matilde; Nievas, Romina Paola; Colombetti, Patricia Laura; Gonzalez, Silvia Patricia; et al.; Assessment of the environmental quality of two urbanized lotic systems using multiple indicators; John Wiley & Sons Ltd; River Research And Applications; 33; 7; 3-9-2017; 1119-1129
dc.identifier.issn
1535-1459
dc.identifier.uri
http://hdl.handle.net/11336/64506
dc.description.abstract
Urbanization impacts ecosystems, generating habitat loss and fragmentation, loss of diversity, increase in runoff and contaminant discharges, and the establishment of exotic species. Potrero de los Funes Village (San Luis-Argentina), not only suffers from the increase of its population during summer months due to tourism, but also from an accelerated growth of its permanent population. In order to evaluate the potential effects of urbanization, the environmental quality of Potrero de los Funes River and Las Chacras Stream was assessed, using physical-chemical and biological indicators. Macroinvertebrates, through the application o the Biotic Index for San Luis Sierras (BISLS), anuran amphibian richness and relative abundance, and riparian vegetation were used as bioindicators, whereas a Simplified Index of Water Quality (SIWQ) was used to characterize the physical-chemical quality of water at each site. SIWQ and BISLS scores were significantly different between sites (F7,28 = 9.88, p < 0.001 and F7,28 = 24.18, p < 0.001 respectively). SIWQ was significantly correlated with BISLS (Spearman correlation coefficient = 0.8, p < 0.001). Four anuran species were registered along Potrero River, with no significant differences in the intensity of vocalizations between sites. No species were detected in Las Chacras Stream. Average total plant species richness, exotic plants richness and vegetation cover were higher at the most impaired system, Las Chacras Stream. The Principal Component Analysis showed that the first two PCs explained 76.3% of the total variance. PC1, with strong loadings of SIWQ, BISLS, and amphibian richness, was principally driven by chemical water quality and biological conditions. PC2 was mainly determined by plant richness. The chemical and biological water quality of Potrero and Las Chacras is somewhat impaired being the upper Las Chacras Stream the most compromised area. This study provides information that will certainly be used to manage future impacts of urbanization on aquatic resources.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
John Wiley & Sons Ltd
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Urbanization
dc.subject
Environmental Quality
dc.subject
Biondicators
dc.subject.classification
Meteorología y Ciencias Atmosféricas
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Assessment of the environmental quality of two urbanized lotic systems using multiple indicators
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-11-02T15:14:04Z
dc.journal.volume
33
dc.journal.number
7
dc.journal.pagination
1119-1129
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Calderon, Mirian Roxana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina
dc.description.fil
Fil: Moglia, Marta Matilde. Universidad Nacional de San Luis; Argentina
dc.description.fil
Fil: Nievas, Romina Paola. Universidad Nacional de San Luis; Argentina
dc.description.fil
Fil: Colombetti, Patricia Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina
dc.description.fil
Fil: Gonzalez, Silvia Patricia. Universidad Nacional de San Luis; Argentina
dc.description.fil
Fil: Jofré, Mariana. Universidad Nacional de San Luis; Argentina
dc.journal.title
River Research And Applications
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1002/rra.3160/pdf
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1002/rra.3160
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