Research on Water Quality in Small and Medium Barrier Lakes in Hilly Areas with Bathub Model

Presence in waters of large amounts of nutrients, determine their contamination and the occurrence of eutrophication manifested through an accelerated growth of algae and other higher plant forms. In order to assess the risk of eutrophication of the two barrier lakes studied Cucuteni and Tansa-Belcesti from Bahlui catchment, it was used a model namely BATHUB. Modelling of potential eutrophication, it is expressed through items like total phosphorus, total nitrogen, chlorophyll “a”, transparency, organic nitrogen and organic phosphorus. For the two barrier lakes Cucuteni and Tansa-Belcesti was achieved high levels of total nitrogen and total phosphorus caused by diffuse pollution supported mainly by agricultural work practices. The nitrogen and phosphorus nutrients get into the lakes via the river system, and phytoplankton fails to fully assimilate them, which causes maintenance the eutrophic condition for these barrier lakes.