BIOMONITORING OF THE SURFACE WATER QUALITY WITH USE OF FRESH-WATER BIVALVIA MOLUSCS
It is positioned that an index safe state of an fresh-water reservoirs is presence at bivalvia of an accurate day-night rhythm locomotion of shells. Copper ions possess the greatest damaging influence for fresh-water mussels, limit of sensibility compounds 0,006 mg/l. Presence in an water reservoirs of high concentration of humic substances sharply reduces negative influence of ions of lead and cadmium, limit of sensibility compounds 0,5 and 0,1 mg/l accordingly. In running water damaging influence of ions of metals more low, than in stagnant waters.