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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.
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 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 ...
Severe risk of making the main source drinkable water for Owerri non-potable. [7] Modjo River: Central Ethiopia: One of the two most polluted rivers in Ethiopia. [8] [9] Toxic industrial chemicals [8] [9] Nairobi River Kenya: The rivers are mostly narrow and highly polluted, [10] though recent efforts to clean the rivers have improved water ...
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 ...
In wastewater treatment, the absence of oxygen alone is indicated anoxic while the term anaerobic is used to indicate the absence of any common electron acceptor such as nitrate, sulfate or oxygen. When oxygen is depleted in a basin, bacteria first turn to the second-best electron acceptor, which in sea water, is nitrate.
Gulf of Gorgan in 2016. The Gulf of Gorgan (Persian: خلیج گرگان), also known as Gorgan Bay, is the largest gulf in the Caspian Sea. [2] It is located at the south-eastern shore of the Caspian Sea near the cities of Behshahr, Gorgan and Sari in Iran and is separated from the main water body by the Miankaleh peninsula and extends until the Ashuradeh peninsula.
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. [ 21 ]