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The water quality in the upper and medium zone of Traiguén river in the Araucanía region was studied in the present work. Physico-chemical and microbiological parameters were measured at six sample stations in a zone that goes from close to the origin of the river to the limits of the city of Vic...


Rivera, Nelson R.Encina Montoya, FranciscoPalma, RodrigoMejías, Patricia[La calidad de las aguas en el curso superior y medio del río traiguén. IX región-chile][Superior and medium water quality in traiguén river. IX region-chile]Superior and medium water quality in traiguén river. IX region-chile

El objetivo de este trabajo fue establecer la calidad descriptiva de agua de los ríos Cautín e Imperial que conforman la cuenca hidrográfica del río Imperial ubicada en la IX Región de la Araucanía-Chile. La caracterización fisicoquímica y microbiológica se efectuó fijando diez estaciones de mues...

The objective of this work was to establish the descriptive water quality of the Cautín and Imperial rivers which form the Imperial River hydrographic basin in the IX Region of Araucanía, Chile. Physicochemical and microbiological evaluations were made at ten sampling stations. Physicochemical pa...


Residues of five pesticides in surface water were surveyed during 2001 and 2003 in the Traiguén river basin in Southern Chile. Simazine, hexazinone, 2,4-D, picloram herbicides and carbendazim fungicide were selected through a pesticide risk classification index. Six sampling stations along the ri...


The chemical characteristics of the waters of Lake Budi (IX Region, Chile), in winter and summer were analysed in order to establish seasonal variations and determine their influence on the various phytoplankton components. On the basis of the results it was possible to indicate that the chemical...


El propósito de este trabajo es presentar un análisis del uso de los tejidos de origen sintético en la moda rápida y como este afecta el medio ambiente, considerando diversas etapas del ciclo de vida de la prenda. El objetivo es analizar las percepciones de impacto ambiental efecto de los micro p...


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