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Effect of Environmental Conditions on Chemical Profile of Stream Water in Sanctuary Forest Area

This study reports the evaluation of chemical composition of a Black Vistula and White Vistula streams' waters taking into consideration both geological conditions of the stream's catchment area and different water' level related to seasonal variations in particular catchment ecosyste...

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Bibliographic Details
Published in:Water, air, and soil pollution air, and soil pollution, 2008-11, Vol.195 (1-4), p.137-149
Main Authors: Astel, Aleksander, Małek, Stanisław, Makowska, Sylwia
Format: Article
Language:English
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Summary:This study reports the evaluation of chemical composition of a Black Vistula and White Vistula streams' waters taking into consideration both geological conditions of the stream's catchment area and different water' level related to seasonal variations in particular catchment ecosystem (high stage: beginning of the vegetation period; medium stage: vegetation period; low stage: final time of vegetation period). The complex data matrix (744 observations), obtained by the determination of major inorganic analytes (Cl⁻, NO₃ ⁻, SO₄ ²⁻, NH₄ ⁺, Na⁺, K⁺, Ca²⁺, Mg²⁺) in water samples by ion chromatography was treated by linear discriminant analysis and non-parametrical testing. In case of both streams obtained results indicate presence of two discriminant functions (DFs). The data variance explained by DFs is as follows: Black Vistula stream--first DF: 93.5%, second DF: 6.5%; White Vistula stream--first DF: 66.3%, second DF: 33.7%. In case of Black Vistula stream first DF allows distinction of medium, high and low waterstage related samples while second DF between high/low and medium water stage related samples. In case of White Vistula stream first DF allowed to distinguish between medium/high and low water stage related samples while second DF between medium and high water level samples. In case of both streams, the most informative DFs were related to geological conditions of investigated catchments (contents of Cl⁻, Na⁺, K⁺, Mg²⁺, Ca²⁺, SO₄ ²⁻), while the second to nutrient biocycle (mainly NH₄ ⁺ and NO₃ ⁻) related to slope's exposition and inclination.
ISSN:0049-6979
1573-2932
DOI:10.1007/s11270-008-9733-9