ecology water

Every day, using water a man does not realize how many harmful organisms it admits to the organism.

The most known source of contamination of water, which is mainly traditionally spared, is waterin our houses

Sources of Sources of contamination contamination

of water: of water:

settlementssettlements

industryindustry

agricultureagriculture

contamination of

water

The most known The most known source of water source of water contamination is contamination is a domestic (or a domestic (or communal) flow communal) flow water.water.

contamination of

water

In the industrially In the industrially developed countries the developed countries the main user of water and main user of water and most source of flows is most source of flows is industry. Industrial industry. Industrial flows in the rivers on flows in the rivers on volume komunal'no-volume komunal'no-pobutovi exceed in 3 pobutovi exceed in 3 times.times.

contamination of

water

The second basic user The second basic user of water is agriculture of water is agriculture which uses it for which uses it for irrigation of the fields. irrigation of the fields. Water which flows Water which flows down from them is down from them is saturated solutions of saturated solutions of salts and ground salts and ground particles, and also by particles, and also by tailings of chemical tailings of chemical matters which are matters which are instrumental in the instrumental in the increased productivity.increased productivity.

contamination of

water

The most scale non-The most scale non-permanent use of water permanent use of water is a production of is a production of electric power, where it electric power, where it is used mainly for is used mainly for cooling and cooling and condensation of steam condensation of steam which has been which has been produced by the produced by the turbines of thermal turbines of thermal power-stations.power-stations.

contamination of

water

Everybody must save

the greatest treasure-

health. Our health is

influenced by quality of

water, which we consume. Therefore we have to care

of our ecology.

Maryana BachynskaMaryana Bachynska

Misha MaryashMisha Maryash

Author of presentation