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1

Effect of hydrological connectivity on the molluscan community structure in oxbow lakes of the Lyna River

100%
Obolewski K., Glinska-Lewczuk K., Kobus S.
Oceanological and Hydrobiological Studies
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2009
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tom 38
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nr 4
75-88
2

Effects of hydrological and physicochemical factors on phytoplankton communities in floodplain lakes

100%
Grabowska M., Glinska-Lewczuk K., Obolewski K., Burandt P., Kobus S., Dunalska J., Kujawa R., Gozdziejewska A., Skrzypczak A.
Polish Journal of Environmental Studies
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2014
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tom 23
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nr 3
The fate of phytoplankton communities in different hydrological and hydrochemical conditions was studied in the middle basin of the Biebrza River (NE Poland). Our results showed that hydrological connectivity significantly influenced phytoplankton abundance in floodplain lakes: minimal abundance was stated in lotic and maximal in lentic waterbodies. Phytoplankton diversity and species richness were related to changes in water levels. During the low-water phase, phytoplankton biodiversity was the lowest in lentic and the highest in lotic lakes. High water levels promoted exchanges in species among waterbodies and the river, which increased biodiversity indices. We concluded that the isolation of any floodplain lake from the river channel deteriorates its trophic conditions. Thus, the decrease in phytoplankton biodiversity in floodplain lakes should be regarded as an indirect feedback of the hydrobionts on the hydrological factors.
3
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The use of a geochemical method in the detection of groundwater discharge to floodplain lakes

100%
Glinska-Lewczuk K., Burandt P., Banaszek Z., Chormanski J., Slapinska M., Timofte C., Serwotka L., Sawczyn J., Jarzab N.
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
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2013
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tom 17
Water quality parameters of floodplain lakes may be indicative of the intensity of groundwater recharge. The main assumption made in the study is that the direct influence of groundwater recharge is reflected in the vertical gradient of temperature and aeration along the whole water column. Considering this, we seasonally monitored physical and chemical properties of 22 oxbow lakes in postglacial river valleys (the Słupia, Drwęca and Łyna rivers) in temperate climate zone in the southern watershed of the Baltic Sea (N Poland). The results were compared with groundwater samples from transects of piezometers located near the floodplain lakes. The floodplain water bodies showed variability (both in vertical and spatial dimensions) in temperature, aeration and electrolytic conductivity, affected mainly by different sources of water supply. The temperatures and dissolved oxygen contents declined not only with the increasing depth of water and a distance from the river channel, but also a significant drop in the parameters’ values have been associated with groundwater recharge within the floodplain edge.
4

The effect of hydrological connectivity on water beetles fauna in water bodies within the floodplain of a lowland river (Neman River, Belarus)

100%
Pakulnicka J., Nowakowski J. J.
Oceanological and Hydrobiological Studies
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2012
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tom 41
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nr 2
5

Composition and density of plant-associated invertebrates in relation to environmental gradients and hydrological connectivity of wetlands

80%
Obolewski K.
Oceanological and Hydrobiological Studies
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2011
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tom 40
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nr 4
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