System of lakes which are sources from artificial chanels. Areas between lakes are used for pastures and more rare for hay.
The map polygon is provided courtesy of the Spatial Database on Important Bird Areas of Russia 2014 (© Russian Bird Conservation Union, © Transparent World).
BirdLife International (2021) Important Bird Areas factsheet: Oling area. Downloaded from http://www.birdlife.org on 22/09/2021.