Evaluation of water objects quality on a range hydrobiological indicators on GIS

Questions about construction a system of water facilities evaluation hydrobiological indicators using GIS technology. The use of hydrobiological method of valuation allows you to quickly establish the sanitary condition of the water object, to determine the degree and pattern of pollution and how it spreads. The approach of monitoring water areas on indicators characterizing the different levels of organization of biological systems. As the object of observation is chosen Neva Bay and the port of Ust-Luga.