Classification of transformed wet habitats vegetation in Karelia

The results of our investigation and classification of vegetation of transformed wet habitats (flooded quarries, inundated roadside habitats) Karelia are presented. 13 associations of vegetation were revealed from analyzing of 402 sample plots according to ecological and phytocoenotical approach. Each association diagnostic species are delimited, species richness and density are described as well as measures of high and middle constant species.