The volume of cargo handling at the ports of the Azov-Don basin in April 2012 decreased by 7.4% compared to same period last year, to 605,000 tons, Azov-Don basin authority said.
The decline was attributed to the ice situation in the Tsimlyanskiy reservoir.
The Azov -Don State Basin Department of Waterways and Shipping is in charge of supervising transportation safety on the 800-km-long waterways of the River Don, its tributaries and the Azov-Don Canal.