Abstract
Two river-lake systems in a mosaic, lowland postglacial landscape (Masurian and Suwalskie Lakelands, northeastern Poland) of different length and flow were studied. The concentration of total and dissolved phosphorus (in water and in seston) and the retention of these two forms of P were analysed at several hydrological occasions in lakes of various morphometry and trophy, and in several stream fragments. The concentration and retention is equally highly variable in lake (lentic patches) and stream fragments (lotic patches) of the system. The polluted stream fragments at all occassions as well as the lakes in summer, are mainly exporting phoshorus. The patches which act as sources occur alternatively with patches which are P-sinks. This makes the whole system more or less balanced with respect to P movement in the landscape.
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Hillbricht-Ilkowska, A. The dynamics and retention of phosphorus in lentic and lotic patches of two river-lake systems. Hydrobiologia 251, 257–268 (1993). https://doi.org/10.1007/BF00007185
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DOI: https://doi.org/10.1007/BF00007185