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Revista Colombiana de Química
versão impressa ISSN 0120-2804versão On-line ISSN 2357-3791
Resumo
CORDERO, Rubén D; RUIZ, J. Efraín e VARGAS, Edgar F. SPATIAL TEMPORAL DETERMINATION OF PHOSPHORUS CONCENTRATION IN LAKE OF TOTA. Rev.Colomb.Quim. [online]. 2005, vol.34, n.2, pp.211-218. ISSN 0120-2804.
The lapse from July to November of 2003 a study was made to determine the spatial and temporal concentration of phosphorus in the lake of Tota (Boyacá, Colombia). Samples were taken with a Van- Dorn bottle of the horizontal type of two liter capacity in the superficial stratum up to 20 cm in the water column and at 10 m depth. The different forms of phosphorus studied, show that there are significant differences in their concentrations, the highest values being found in the sector known as Lago Chico and the lowest in the area of Lago Grande; this behavior is found to be closely related to the agricultural uses of the land in the littoral zone and additionally with the climatic factors especially the precipitation in the area investigated.
Palavras-chave : organic phosphorus; hydrolysable phosphorus; reactive phosphorus; Lake of Tota.