This database comes from different sources (monitoring programmes) aiming to create an information system on the state of water environment in the Basque Country. This information includes environmental (water, sediment) and biological (benthic macroinvertebrates, fish, phytoplankton, macroalgae, macrophytes) elements obtained from sampling stations placed in rivers, estuarine and coastal zones.
More information on this dataset can be found in the Freshwater Metadatabase - MARS_11 (http://www.freshwatermetadata.eu/metadb/bf_mdb_view.php?entryID=MARS_11).