The Caspian is shallowing: results of a spring expedition
In April, 2026, New Delta-2026, a marine scientific and geographical expedition, took place. It was organised by P.P. Shirshov Institute of Oceanology
Read moreIn April, 2026, New Delta-2026, a marine scientific and geographical expedition, took place. It was organised by P.P. Shirshov Institute of Oceanology
Read more