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1 International Journal of Ecohydrology and Hydrobiology

1 2002

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The strategy of preventing the continual decline of ground water level in UNESCO MAB Biosphere Reserve 'Puszcza Kampinoska' by restoration of Vistula flood pulses

100%

Andrzejewska A. , Zalewski M.

tom 02

nr 1-4

Biosphere Reserve “Puszcza Kampinoska” is situated in the Vistula river valley northwest of Warsaw. It covers an area of inland dunes and wetlands. From 1960s a continual decrease of groundwater level has been observed, threatening valuable ecosystems. Natural and anthropogenic reasons of this process are distinguished. A strategy to restore the groundwater levels in the Reserve has to be elaborated. Following activities are considered to restore natural ways of water circulation: the use the Vistula flood wave through stabilizing and purification system of ponds and channels, renaturalization of Łasica river and a major segment of the drainage system, purification of used water in appropriate biofiltration system in surrounding area. The transfer of Vistula flood pulse into the Biosphere Reserve will not only increase ground water level but also can restore natural pattern of water supply to fragile phytocenosis.