The effect of physical and chemical parameters on the structure and composition of the phytoplankton community of lake budi (ix region, chile)

• SILVIA BASUALTO ^[1] ; JAIME TAPIA ^[2] ; FABIOLA CRUCES ^[1] ; FERNANDO PEÑA-CORTÉS ^[3] ; ENRIQUE HAUENSTEIN ^[3] ; CARLOS BERTRAN ^[4] ; ROBERTO SCHLATTER ^[4]
  1. [1] Universidad de Concepción

     Universidad de Concepción

     Comuna de Concepción, Chile

     
  2. [2] Universidad de Talca

     Universidad de Talca

     Provincia de Talca, Chile

     
  3. [3] Universidad Católica de Temuco

     Universidad Católica de Temuco

     Temuco, Chile

     
  4. [4] Universidad Austral de Chile

     Universidad Austral de Chile

     Valdivia, Chile

     

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• Localización: Journal of the Chilean Chemical Society (Boletín de la Sociedad Chilena de Química), ISSN-e 0717-6309, ISSN 0366-1644, Vol. 51, Nº. 3, 2006, págs. 993-999
• Idioma: inglés
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• Resumen

  • 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 parameters found in the water body under examination vary in time and space, giving rise to different algal communities. The strong influence of salinity on the phytoplankton communities in both study periods appears to result principally from the influence of the sea, resulting from the intrusion of salt water during certain periods of the year. The predominant chemical characteristic in summer indicates a slight reduction in water quality, due to a rise in temperature and a reduction in the oxygen concentration