Black Sea Forum for Partnership and Dialogue Black Sea Forum for Partnership and Dialogue The inaugural session of the Black Sea Forum for Partnership and Dialogue (BSF) was held on June 4–6, 2006 in Bucharest. The Forum is a Romanian initiative, initially meant to hold annual presidential-level summits (the venues rotating among participant countries) and thematic or sectoral-cooperation meeting during those annual intervals. The Forum is not meant to create new regional institutions, but rather to turn into a regular consultative process among countries of the extended Black Sea region (defined as including the South Caucasus to the Caspian Sea) and between this group of countries and
Black Sea is a marginal sea and is the world's largest body of water with a meromictic basin. The deep waters do not mix with the upper layers of water that receive oxygen from the atmosphere. As a result, over 90% of the deeper Black Sea volume is anoxic water. The Black Sea's circulation patterns are primarily controlled by basin topography and fluvial inputs, which result in a strongly stratified vertical structure. Because of the extreme stratification, it is classified as a salt wedge estuary. The Black Sea only experiences water transfer with the Mediterranean Sea, so all inflow and outflow occurs