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Budgets of elements in a lowland forested watershed : the comparison of watershed with and without the stream

Kruk M.

Polish Journal of Ecology

1999

Vol. 47, no 3

335-351

It was shown that hydrochemical properties of stream waters and subsurface (spring) waters and the budgets of elements in a lowland watershed calculated on the basis of these properties could differ significantly. The hydrochemical differences concerned the content of dissolved phosphorus, particularly in mineral form, nitrate, ammonium, potassium and manganese. In the dynamics of monthly elemental budgets, visible differences in the course of retention and leaching of nitrate and dissolved organic nitrogen were noted between stream and spring watersheds. The stream environment can modify average monthly budgets in the forested watershed of such elements as SO[4]-S and Na by increasing its leaching but of NO[3]-N, NH[4]-N and Mn by increasing retention level.