Salinity
There is now an ongoing effort in Kazakhstan to save and replenish the North Aral Sea. As part of this effort, a dam project was completed in 2005; in 2008, the water level in this lake had risen by 22 m (72 ft) from its level in 2007. Salinity has dropped, and fish are again found in sufficient numbers for some fishing to be viable.
Read more about this topic: North Aral Sea