Contains data of biovolume and density of phytoplankton, absence/presence and abundance of macrophytes and fish in according with physico-chemistry and meteorological data of Italian lakes. More information on this dataset can be found in the Freshwater Metadatabase - BF_W_24-L-Al (http://www.freshwatermetadata.eu/metadb/bf_mdb_view.php?entryID=BF_W_24-L-Al).