Abstract
Changes in submerged macrophyte communities in the eutrophic Lake Mikołajskie have been studied for the last 40 years. As the recent commissioning of a number of sewage treatment plants within the complex of the Mazurian Great Lakes has led to an improvement in water transparency, it was expected that species composition would start to return to the state present before intensive eutrophication. The role of seed and oospore banks in the reconstruction of submerged macrophytes is analysed on the basis of laboratory experiment. Cores of sediments (9 cm long) were collected from the littoral of Lake Mikołajskie. The cores were divided in 3 cm layers and were incubated under laboratory conditions. Five species of submerged macrophytes were germinated from the propagule banks. The richest in viable propagules was the deepest layer and poorest in active propagules was the shallowest layer of sediment. The recolonization of the littoral zone of Lake Mikołajskie by species, which occurred at a earlier period in the lake’s history is possible because viable propagules have persisted in deeper sediments.
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Ozimek, T. (2006). The possibility of submerged macrophyte recovery from a propagule bank in the eutrophic Lake Mikołajskie (North Poland). In: Caffrey, J.M., Dutartre, A., Haury, J., Murphy, K.J., Wade, P.M. (eds) Macrophytes in Aquatic Ecosystems: From Biology to Management. Developments in Hydrobiology, vol 190. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-5390-0_18
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DOI: https://doi.org/10.1007/978-1-4020-5390-0_18
Publisher Name: Springer, Dordrecht
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