Qidiruv

[Greek abio - not alive, seston - sifted] - mineral particles fluidized in water. Some authors rank also oddments of dead organisms among A.

wide development of a phytoplankton in a pool accompanied by a change of water coloring. Caused by unfavorable change of a water regime (stagnation of water, pollution by

a patch of territory or water space where the usage of particular types of natural resources is banned on a constant or conventional basis (of separate species or groups

Diffuse pollution sources without a clearly defined coordinates of their origin. The pollutants are mainly spread on the land by rain water. Usually non-spot sources of p