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Aral Sea

The Aral Sea was a lake lying between Kazakhstan (Aktobe and Kyzylorda provinces) in the north and Karakalpakstan, an autonomous region of Uzbekistan, in the south. The name roughly translates as "Sea of Islands", referring to about 1,534 islands that once dotted its waters; in Old Turkic aral means "island" and "thicket".

Formerly one of the four largest lakes in the world with an area of 68,000 square kilometres, the Aral Sea has been steadily shrinking since the 1960s after the rivers that fed it were diverted by Soviet irrigation projects. By 2007, it had declined to 10% of its original size, splitting into four lakes – the North Aral Sea, the eastern and western basins of the once far larger South Aral Sea and one smaller lake between North and South Aral Seas. By 2009, the southeastern lake had disappeared and the southwestern lake retreated to a thin strip at the extreme west of the former southern sea. The maximum depth of the North Aral Sea is 42 m (as of 2008).

The shrinking of the Aral Sea has been called "one of the planet's worst environmental disasters. The region's once prosperous fishing ndustry has been essentially destroyed, bringing unemployment and economic hardship. The Aral Sea region is also heavily polluted, with consequent serious public health problems. The retreat of the sea has reportedly also caused local climate change, with summers becoming hotter and drier, and winters colder and longer.

In an ongoing effort in Kazakhstan to save and replenish the North Aral Sea, a dam project was completed in 2005; in 2008, the water level in this lake had risen by 24 m from its lowest level in 2007.Salinity has dropped, and fish are again found in sufficient numbers for some fishing to be viable.


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