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The Caspian is one of the world's smallest seas; in fact, according to scientists it has characteristics common to both seas and lakeA lake is a large body of water, usually fresh water, surrounded by land. Large lakes are sometimes referred to as "inland seas" and small seas are sometimes referred to as lakes. For examples (of saline lakes): the Great Salt Lake, but the Dead Sea.s. It is, however, the world's largest inland body of water and is often listed as the world's largest lake (though it is not a freshwater lake). It has a surface area of 371,000 km²Square kilometre (symbol km is an SI unit of surface area. It is one of the SI derived units. 1 km² is equal to: the area of a square measuring 1 kilometre on each side 1 000 000 m² 100 hectares 0. 386 102 square miles (statute) 247. 105 381 acres Convers (143000 sq. mi.).
The Caspian holds great numbers of sturgeonSturgeon (Acipenser) is the name given to a small group of fishes, of which some twenty different species are known †, from European, Asiatic and North American rivers. They pass a great part of the year in the sea, but periodically ascend large ri, which yield eggs that are processed into caviarCaviar is the processed, salted roe of various species of fish, most notably sturgeon. It is commercially marketed throughout the world as a delicacy and is eaten principally as a garnish or spread, as with hors d'oeuvres. Today the best caviar comes from. However, overfishing has threatened the sturgeon population to the point that environmentalists advocate banning sturgeon fishing completely until the population recovers.
Recently discovered huge oil fields also lie underneath the Caspian Sea, though further exploration is needed to define the full extent of the oil potential in this part of the world.
The main problem is the status of the Caspian Sea and the establishment of the water boundaries between the five riparian countries.
The level of the Caspian has fallen and risen many times over the centuries. Some Russian historians claim that a medieval rising of the Caspian caused the coastal towns of Khazaria, such as Atil, to flood. In 2004, the water level is -28 metres, or 28 metres below sea level.
The Volga River and the Ural River discharge into the Caspian Sea, but as it is endorheic there is no natural outflow (other than by evaporation).
The sea is connected to the Sea of Azov by the Manych Canal.
Major cities by the Caspian Sea:
Historical cities by the Sea:
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