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The Caspian Sea is the world's largest inland body of water, described as the world's largest lake and usually referred to as a full-fledged sea. [2] [3] [4] An endorheic basin, it lies between Europe and Asia: east of the Caucasus, west of the broad steppe of Central Asia, south of the fertile plains of Southern Russia in Eastern Europe, and north of the mountainous Iranian Plateau.
Seawater, or sea water, is water from a sea or ocean. On average, seawater in the world's oceans has a salinity of about 3.5% (35 g/L, 35 ppt, 600 mM). This means that every kilogram (roughly one liter by volume) of seawater has approximately 35 grams (1.2 oz) of dissolved salts (predominantly sodium ( Na +
The Parties also undertake to ensure the protection, preservation, restoration and rational use of marine biological resources in the Caspian Sea; strive to maintain or restore populations of marine species at levels that can produce the maximum sustainable yield; prevent over-exploitation of marine resources and protect endemic, rare and ...
Azeri President Ilham Aliyev on Monday discussed with Russian President Vladimir Putin his concern over what he said was the "catastrophic" shrinking of the Caspian Sea, and said that the two had ...
The Caspian Sea is the world's largest lake and contains brackish water with a salinity about one-third that of normal seawater. The Caspian is famous for its peculiar animal fauna, including one of the few non-marine seals (the Caspian seal ) and the great sturgeons , a major source of caviar .
The release of nitrogen oxides (N 2 O, NO) from anthropogenic activities and oxygen-depleted zones causes stratospheric ozone depletion leading to higher UVB exposition, which produces the damage of marine life, acid rain and ocean warming. Ocean warming causes water stratification, deoxygenation, and the formation of dead zones.
In order to elaborate a Convention on the legal status of the Caspian Sea, a special working group at the level of deputy foreign ministers was established in 1996 by the Caspian states. Negotiation of the document lasted more than 20 years before its signing on 12 August 2018 by the heads of five Caspian states at the summit in Kazakhstan.
Ballast water taken up at sea and released in port is a major source of unwanted exotic marine life. The invasive freshwater zebra mussels, native to the Black, Caspian, and Azov seas, were probably transported to the Great Lakes via ballast water from a transoceanic vessel. [ 23 ]