Possibilities of a Saprotrophic Lake Recultivation Exemplified by Lake Długie in Olsztyn
H. Gawrońska*, K. Lossow
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University of Warmia and Mazury in Olsztyn, Department of Environment Protection Engineering,
ul. Prawocheńskiego 1, 10-957 Olsztyn-Kortowo, Poland
Pol. J. Environ. Stud. 2003;12(3):301–307
This article presents the subsequent stages of Lake Długie recultivation. The lake has been completely degraded and has reached a saprotrophic state due to the discharge of domestic wastewater from the neigh-bouring living estate. The lake’s recultivation was initiated by cutting off the domestic wastewater inflow to the lake, and followed by the reduction of storm water inflow and artificial aeration with destratification carried out with modifications since 1987. Special attention was paid to the effects obtained in the reference years (i.e. with-out aeration) which allows determination of the durability of the recultivation results.