The Black Sea is a marginal mediterranean sea lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bounded by Bulgaria, Georgia, See more

The International Hydrographic Organization defines the limits of the Black Sea as follows:
On the Southwest. … See more

The Black Sea 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 … See more

Marine
The Black Sea supports an active and dynamic marine ecosystem, dominated by species suited to the brackish, nutrient-rich, conditions. As … See more

Modern names
Current names of the sea are usually equivalents of the English name "Black Sea", including these given in the countries bordering … See more

The Black Sea is divided into two depositional basins—the Western Black Sea and Eastern Black Sea—separated by the Mid-Black Sea High, which includes the Andrusov Ridge, … See more

Because of the anoxic water at depth, organic matter, including anthropogenic artifacts such as boat hulls, are well preserved. During periods of high surface productivity, short-lived algal blooms form organic rich layers known as sapropels. Scientists have … See more