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Industrial, agricultural, and urban areas can be sources of pollution and a cause of habitat fragmentation. The Conlara River located in the northeast of San Luis Province suffers different environmental pressures along its course from urban to agro-industrial areas. The present study aims to assess the water quality of the Conlara basin by evaluating how metals and pesticide contamination as
well as physicochemical parameters relate to physiological
[ver mas...]
dc.contributor.author | Pérez-Iglesias, Juan Manuel | |
dc.contributor.author | Bach, Nadia Carla | |
dc.contributor.author | Colombetti, Patricia Laura | |
dc.contributor.author | Acuña, Pablo | |
dc.contributor.author | Colman-Lerner, Jorge Esteban | |
dc.contributor.author | Gonzalez, Silvia Patricia | |
dc.contributor.author | Brodeur, Celine Marie | |
dc.contributor.author | Almeida, César Américo | |
dc.date.accessioned | 2023-03-28T17:58:58Z | |
dc.date.available | 2023-03-28T17:58:58Z | |
dc.date.issued | 2023-01-12 | |
dc.identifier.issn | 2305-6304 | |
dc.identifier.other | https://doi.org/10.3390/toxics11010073 | |
dc.identifier.uri | http://hdl.handle.net/20.500.12123/14341 | |
dc.identifier.uri | https://www.mdpi.com/2305-6304/11/1/73 | |
dc.description.abstract | Industrial, agricultural, and urban areas can be sources of pollution and a cause of habitat fragmentation. The Conlara River located in the northeast of San Luis Province suffers different environmental pressures along its course from urban to agro-industrial areas. The present study aims to assess the water quality of the Conlara basin by evaluating how metals and pesticide contamination as well as physicochemical parameters relate to physiological stress in Jenynsia multidentata. Samplings were carried out in four sites characterized by a growing gradient of anthropic impact from the springs to the final sections of the river, starting with tourism passing through urban areas and ending with large agricultural areas (from S1 to S4) during both the dry and wet seasons. A total of 27 parameters were determined (11 physicochemical, 9 heavy metals, and 7 pesticides) in surface waters. Biomarkers (CAT, TBARS, ChE, and MN) showed significant physiological and cytological alterations in J. multidentata depending on the hydrology season. The combination of physicochemical parameters, metals, and pesticide levels allowed typification and differentiation of the sites. Some metal (Cr, Mn, Pb, and Zn) and pesticide ( -BHC, chlorpyrifos, permethrin and cypermethrin, and endosulfan ) levels recorded exceeded the recommended Argentinian legislation values. A principal component analysis (PCA) allowed detection of differences between both seasons and across sites. Furthermore, the differences in distances showed by PCA between the sites were due to differences in the presence of physicochemical parameters, metals, and pesticides correlated with several biomarkers’ responses depending on type of environmental stressor. Water quality evaluation along the Conlara River shows deterioration and different types of environmental stressors, identifying zones, and specific sources of pollution. Furthermore, the biomarkers suggest that the native species could be sensitive to anthropogenic environmental pressures. | eng |
dc.format | application/pdf | es_AR |
dc.language.iso | eng | es_AR |
dc.publisher | MDPI | es_AR |
dc.rights | info:eu-repo/semantics/openAccess | es_AR |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-sa/4.0/ | es_AR |
dc.source | Toxics 11 (1) : 73 (January 2023) | es_AR |
dc.subject | Jenynsia lineata | eng |
dc.subject | Habitat Fragmentation | eng |
dc.subject | Fragmentación de los Hábitats | es_AR |
dc.subject | Physiological Stress Resistance | eng |
dc.subject | Resistencia Fisiológica al Estrés | es_AR |
dc.subject | Water Quality | eng |
dc.subject | Calidad del Agua | es_AR |
dc.subject.other | Bioindicator Fish | eng |
dc.subject.other | Pez Bioindicador | es_AR |
dc.subject.other | Jenynsia multidentada | es_AR |
dc.title | Biomonitoring of alterations in fish that inhabit anthropic aquatic environments in a basin from semi-arid regions | es_AR |
dc.type | info:ar-repo/semantics/artículo | es_AR |
dc.type | info:eu-repo/semantics/article | es_AR |
dc.type | info:eu-repo/semantics/publishedVersion | es_AR |
dc.rights.license | Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) | es_AR |
dc.description.origen | Instituto de Recursos Biológicos | |
dc.description.fil | Fil: Pérez-Iglesias, Juan Manuel. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis. Laboratorio de Química Analítica Ambiental; Argentina. Universidad Nacional de Los Comechingones. Departamento de Ciencias Ambientales y Producción; Argentina | es_AR |
dc.description.fil | Fil: Bach, Nadia Carla. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Área de Biología; Argentina | es_AR |
dc.description.fil | Fil: Colombetti, Patricia Laura. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis. Laboratorio de Química Analítica Ambiental; Argentina. Universidad Nacional de Los Comechingones. Departamento de Ciencias Ambientales y Producción; Argentina. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Área de Biología; Argentina | es_AR |
dc.description.fil | Fil: Acuña, Pablo. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis. Laboratorio de Química Analítica Ambiental; Argentina | es_AR |
dc.description.fil | Fil: Colman-Lerner, Jorge Esteban. Centro de Investigación y Desarrollo en Ciencias Aplicadas “Dr. Jorge J. Ronco” (CINDECA); Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina | es_AR |
dc.description.fil | Fil: González, Silvia Patricia. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis. Laboratorio de Química Analítica Ambiental; Argentina | es_AR |
dc.description.fil | Fil: Brodeur, Celine Marie Julie. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Recursos Biológicos; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. | es_AR |
dc.description.fil | Fil: Almeida, César Américo. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis. Laboratorio de Química Analítica Ambiental; Argentina | es_AR |
dc.subtype | cientifico |
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