The vegetation of wetlands in the northern Apennines (Italy)
Gerdol, R.; Tomaselli, M.
The vegetation of wetlands in the northern Apennines includes eighteen plant communities, as defined by cluster analyses of phytosociological relevés. Most of the present wetlands represent successional stages in the terrestrialization process of ancient lakes originated in glacial times. These wetlands are floristically similar to those in central Europe, but several boreal species representing typical components of the latter are either absent in the Apennines or restricted to few refuge localities. Especially the sets of species characterizing the orders Scheuchzerietalia palustris and Sphagnetalia magellanici are considerably reduced and, furthermore, all of the survivors are confined to minerotrophic habitats as the regional climate does not allow ombrotrophic bogs to develop.