The scheme of some pesticide distribution in the Khanka Lake and in the rivers of its catchment
 

The scheme of some pesticide distribution

1- the state boundary;
2- the catchment boundary;
3- main inputs of pesticides;
4- rice fields;
5- sampling points and total concentration of pesticides;
6- <0.05ug/l; 7- 0.5-1ug/l; 8- >1ug/l.

яндекс.ћетрика