The structure of the benthonic fauna in the Muljanka river and the estimation of an ecological conditions

The species structure, diversity and number development of benthonic communities in the Muljanka River are change for the worse under anthropogenic influence. The integration index (IP) was counted and it was showed, that the head stream and the middle stream of the Muljanka River may account to b - mesosaprobic zone, the down stream may account to a - mesosaprobic zone.