This study investigates the flora of 20 oxbow lakes in the Warta valley near Uniejów, ten of which are situated between the river-bed and the flood embankment, and ten are behind the flood bank. 152 plant species have been ...

Marginal habitats (ecological islands), i.e. areas of land isolated by natural or artificial means from the surrounding land and not in agricultural use, fulfil an important function in agricultural landscape. They include ...