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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.
Anoxic waters are areas of sea water, fresh water, or groundwater that are depleted of dissolved oxygen. The US Geological Survey defines anoxic groundwater as those with dissolved oxygen concentration of less than 0.5 milligrams per litre. [1] Anoxic waters can be contrasted with hypoxic waters, which are low (but not lacking) in dissolved ...
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 ...
The Caspian's water levels, which have fluctuated sharply during the last century, have been falling since the mid 1990s, scientific studies have found. ... discussed with Russian President ...
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.
This is a list of bodies of water by salinity that is limited to natural bodies of water that have a stable salinity above 0.05%, at or below which water is considered fresh. Water salinity often varies by location and season, particularly with hypersaline lakes in arid areas, so the salinity figures in the table below should be interpreted as ...
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.