Artenreichtum und Vegetationsinventar dörflicher Gewässerufer dargestellt an Beispielen aus dem nördlichen Harzvorland (Sachsen-Anhalt) / von Ulrike Steube und Dietmar Brandes

Flora and vegetation of the banks of brooks and ponds in ll villages of the northern foreland of the Harz mountains (Sachsen-Anhalt) are investigated. Herewith we found 280 vascular plant species, which means 50,8% of the species inventary of the villages. 22,1 % of the plants are neophytes mostly escaping from cultures. The plants communities of the banks are small sized and/or fragmentary. Nevertheless 5 communitiesof the class Bidentetea and 4 communities of the alliance Sparganio-Glycerion fluitantis can be pointed out, containing: Rumicetum maritimi, Ranunculetum scelerati, Bidens frondosa community, Chenopodietum rubri, Potentilla supina community; Glycerietum fluitantis, Catabrosetum aquaticae, Berula erecta community, Nasturtietum officinalis. Especially remarkable are stands of Catabrosetum aquaticae.