Reproductive ability of cyanobacteriums are one of main parameters of ecological conditions of water-basin and it is especially actually for artificial water objects. Changes of concentrations of blue-green algae in warm year period allows to trace zones of strong pollution without additional attraction of chemical laboratory. Thus it is enough significant mean have prognosis of situation evolution with use cyanobacteriums. With this aim it was received equation of change concentration of blue-green algae in dependence of time in taking to account different degree content of dissolved matter, and possible temperature stratification for considered water objects by different weather condition. On accordance of calculated data by predictable weather and temperature conditions of summer season it is possible to estimate consequences of pollutions by blue-green algae, and to make recommendations for improvement this situation. At prediction of possible ecological disaster it is offered to use innovative method of elimination the consequences, based on hydro-mechanical filtration. As nozzle for pollution catching it is argued the necessity of use milled cane, which source is exceed in shallow water. It should be note, that this type filter can not only retard different fine impurities and blue-green algae, but absorb ions of heavy metals. Moreover, nozzle’s filler is exposed by ecological safety utilization. Replaceable cartridges with milled cane is able to additionally clean coastline from rough water flora and to direct in consequence all biomass to units of biogas production.
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