Comparison of the chemical composition of sediments in lakes in catchments forested with beech and pine
2005
Cieslewicz, J.(University of Technology and Agriculture, Bydgoszcz (Poland). Dept. of Environmental Chemistry)E-mail:[email protected]
The aim of this work was to determine the influence of the forest catchments management on the properties of lake sediments and qualitative parameters of formed humic acids. The results showed that the forest type occupying the lake catchments area can significantly influence the properties of humic acids formed in sediments as indicated by their spectrometric properties. The presence of pine forests in the catchment's area leads to acidification of the basin and this negatively influences the retention of pigments in bottom sediments. However, the conditions prevailing in lakes surrounded by beech forests aid the retention of pigments of plant origin in sediments and their bounding to humic acids by ways of the diagenetic transformations.
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