Three year period of monitoring for the quality and estimation of the ecological status of the Messinian Rivers: Pamisos, Aris, Despoti, Mourtia, Lygdou, Epis, Karia, Tzanes-Polilimnio, Mavrozoumena, Arkadikos, Neda and Velika.

The aim of this Research Project is the monitoring and the estimation – classification of the relative Rivers by the use of the biological, hydromorphological and physicochemical criteria, as adopted in European and Worldwide level, as well as the creation of a data base, for a future management as demanded by the WFD 2000/60/EC.