Database contains lake monitoring results since 1992 concerning ca 800 Polish lakes. It embraces data on: morphometry, hydrology, physico-chemistry (including chlorophyll a), land use in direct catchment, point sources of pollution. For each lake physico-chemical data from 2 sampling occasions available (spring and summer. For some lakes data from 2-5 years exist. Ten lakes monitored since 1999 six times per year during vegetation period.
More information on this dataset can be found in the Freshwater Metadatabase - BF_W_46-L-C (http://www.freshwatermetadata.eu/metadb/bf_mdb_view.php?entryID=BF_W_46-L-C).