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Journal of the Chilean Chemical Society

On-line version ISSN 0717-9707

Abstract

BASUALTO, SILVIA et al. THE EFFECT OF PHYSICAL AND CHEMICAL PARAMETERS ON THE STRUCTURE AND COMPOSITION OF THE PHYTOPLANKTON COMMUNITY OF LAKE BUDI (IX REGION, CHILE). J. Chil. Chem. Soc. [online]. 2006, vol.51, n.3, pp.993-999. ISSN 0717-9707.  http://dx.doi.org/10.4067/S0717-97072006000300015.

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

Keywords : Lake Budi; salinity; phytoplankton; water quality.

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