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The Fergana Valley is a valley in Central Asia spread across eastern Uzbekistan, southern Kyrgyzstan and northern Tajikistan.
Divided into three republics of the former Soviet Union, the valley is ethnically diverse and in the early 21st century was the scene of ethnic conflict. A large triangular valley in what is an often dry part of Central Asia, the Fergana owes its fertility to two rivers, the Naryn and the Kara Darya, which run from the east, joining near Namangan, forming the Syr Darya river. The valley's history stretches back over 2,300 years, when Alexander the Great founded Alexandria Eschate at its southwestern end.
Mass cotton cultivation, introduced by the Soviets, remains central to the economy, along with a wide range of grains, fruits and vegetables. There is a long history of stock breeding, leatherwork and a growing mining sector, including deposits of coal, iron, sulfur, gypsum, rock-salt, naphtha and some small known oil reserves.
The Fergana Valley is an intermountain depression in Central Asia, between the mountain systems of the Tien-Shan in the north and the Gissar-Alai in the south. The valley is approximately 300 kilometres (190 mi) long and up to 70 kilometres (43 mi) wide, forming an area covering 22,000 square kilometres (8,500 sq mi). Its position makes it a separate geographic zone. The valley owes its fertility to two rivers, the Naryn and the Kara Darya, which unite in the valley, near Namangan, to form the Syr Darya. Numerous other tributaries of these rivers exist in the valley including the Sokh River. The streams, and their numerous mountain effluents, not only supply water for irrigation, but also bring down vast quantities of sand, which is deposited alongside their courses, more especially alongside the Syr Darya where it cuts its way through the Khujand-Ajar ridge and forms the valley. This expanse of quicksand, covering an area of 1,900 km2 (750 sq mi), under the influence of south-west winds, encroaches upon the agricultural districts.
The central part of the geological depression that forms the valley is characterized by block subsidence, originally to depths estimated at 6 to 7 kilometres (3.7 to 4.3 mi), largely filled with sediments that range in age as far back as the Permian-Triassic boundary. Some of the sediments are marine carbonates and clays. The faults are upthrusts and overthrusts. Anticlines associated with these faults form traps for petroleum and natural gas, which has been discovered in 52 small fields.
Chinese chroniclers date its towns to more than 2,100 years ago, as a path between Greek, Chinese, Bactrian and Parthian civilisations. It was home to Babur, founder of the Mughal Dynasty, tying the region to modern Afghanistan and South Asia. The Russian Empire conquered the valley at the end of the 19th century, and it became part of the Soviet Union in the 1920s. Its three Soviet republics gained independence in 1991. The area largely remains Muslim, populated by ethnic Uzbek, Tajik and Kyrgyz people, often intermixed and not matching modern borders. Historically there have also been substantial numbers of Russian, Kashgarians, Kipchaks, Bukharan Jews and Romani minorities.
The most complicated border negotiations in the Central Asia region involve the Fergana Valley where multiple enclaves struggle to exist. Three countries share in the tangled border region; Uzbekistan, Kyrgyzstan and Tajikistan all have historic and economic claims to the region's transport routes and natural resources. Negotiations between the three countries are often tense and are prone to conflict.
After the collapse of the Soviet Union, border negotiations left substantial Uzbek populations stranded outside of Uzbekistan. In south-western Kyrgyzstan, a conflict over land between Kyrgyz and Uzbeks exploded in 1990 into large-scale ethnic violence; the violence reoccurring in 2010. By establishing political units on a mono-ethnic basis in a region where various peoples have historically lived side by side, the Soviet process of national delimitation sowed the seeds of today's inter-ethnic tensions.
Conflicts over water have contributed to border disputes. For instance, the border between Kyrgyzstan and Uzbekistan in Jalal-Abad Region is kept open in a limited way to help irrigation, however inter-ethnic disputes in border regions often turn into national border disputes. Even during the summer there are border conflicts over water, as there is not enough to share.
The Aral Sea was an endorheic lake lying between Kazakhstan (Aktobe and Kyzylorda Regions) in the north and Uzbekistan (Karakalpakstan autonomous region) in the south which began shrinking in the 1960s and had largely dried up by the 2010s. The name roughly translates as "Sea of Islands", referring to over 1,100 islands that had dotted its waters. In the Mongolic and Turkic languages aral means "island, archipelago". The Aral Sea drainage basin encompasses Uzbekistan and parts of Tajikistan, Turkmenistan, Kyrgyzstan, Kazakhstan, Afghanistan, and Iran.
Formerly the fourth largest lake in the world with an area of 68,000 km2 (26,300 sq mi), the Aral Sea began shrinking in the 1960s after the rivers that fed it were diverted by Soviet irrigation projects. By 1997, 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 the smaller intermediate Barsakelmes Lake.
By 2009, the southeastern lake had disappeared and the southwestern lake had retreated to a thin strip at the western edge of the former southern sea. In subsequent years occasional water flows have led to the southeastern lake sometimes being replenished to a small degree. Satellite images by NASA in August 2014 revealed that for the first time in modern history the eastern basin of the Aral Sea had completely dried up. The eastern basin is now called the Aralkum Desert.
In an ongoing effort in Kazakhstan to save and replenish the North Aral Sea, the Dike Kokaral dam was completed in 2005. By 2008, the water level had risen 12 m (39 ft) above that of 2003. Salinity has dropped, and fish are again present in sufficient numbers for some fishing to be viable. The maximum depth of the North Aral Sea was 42 m (138 ft) (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 industry has been devastated, bringing unemployment and economic hardship. The water from the diverted Syr Darya river is used to irrigate about two million hectares (5,000,000 acres) of farmland in the Ferghana Valley. The Aral Sea region is heavily polluted, with consequent serious public health problems. UNESCO has added historical documents concerning the Aral Sea to its Memory of the World Register as a resource to study the environmental tragedy.
Divided into three republics of the former Soviet Union, the valley is ethnically diverse and in the early 21st century was the scene of ethnic conflict. A large triangular valley in what is an often dry part of Central Asia, the Fergana owes its fertility to two rivers, the Naryn and the Kara Darya, which run from the east, joining near Namangan, forming the Syr Darya river. The valley's history stretches back over 2,300 years, when Alexander the Great founded Alexandria Eschate at its southwestern end.
The Fergana Valley is an intermountain depression in Central Asia, between the mountain systems of the Tien-Shan in the north and the Gissar-Alai in the south. The valley is approximately 300 kilometres (190 mi) long and up to 70 kilometres (43 mi) wide, forming an area covering 22,000 square kilometres (8,500 sq mi). Its position makes it a separate geographic zone. The valley owes its fertility to two rivers, the Naryn and the Kara Darya, which unite in the valley, near Namangan, to form the Syr Darya. Numerous other tributaries of these rivers exist in the valley including the Sokh River. The streams, and their numerous mountain effluents, not only supply water for irrigation, but also bring down vast quantities of sand, which is deposited alongside their courses, more especially alongside the Syr Darya where it cuts its way through the Khujand-Ajar ridge and forms the valley. This expanse of quicksand, covering an area of 1,900 km2 (750 sq mi), under the influence of south-west winds, encroaches upon the agricultural districts.
The central part of the geological depression that forms the valley is characterized by block subsidence, originally to depths estimated at 6 to 7 kilometres (3.7 to 4.3 mi), largely filled with sediments that range in age as far back as the Permian-Triassic boundary. Some of the sediments are marine carbonates and clays. The faults are upthrusts and overthrusts. Anticlines associated with these faults form traps for petroleum and natural gas, which has been discovered in 52 small fields.
Chinese chroniclers date its towns to more than 2,100 years ago, as a path between Greek, Chinese, Bactrian and Parthian civilisations. It was home to Babur, founder of the Mughal Dynasty, tying the region to modern Afghanistan and South Asia. The Russian Empire conquered the valley at the end of the 19th century, and it became part of the Soviet Union in the 1920s. Its three Soviet republics gained independence in 1991. The area largely remains Muslim, populated by ethnic Uzbek, Tajik and Kyrgyz people, often intermixed and not matching modern borders. Historically there have also been substantial numbers of Russian, Kashgarians, Kipchaks, Bukharan Jews and Romani minorities.
After the collapse of the Soviet Union, border negotiations left substantial Uzbek populations stranded outside of Uzbekistan. In south-western Kyrgyzstan, a conflict over land between Kyrgyz and Uzbeks exploded in 1990 into large-scale ethnic violence; the violence reoccurring in 2010. By establishing political units on a mono-ethnic basis in a region where various peoples have historically lived side by side, the Soviet process of national delimitation sowed the seeds of today's inter-ethnic tensions.
Conflicts over water have contributed to border disputes. For instance, the border between Kyrgyzstan and Uzbekistan in Jalal-Abad Region is kept open in a limited way to help irrigation, however inter-ethnic disputes in border regions often turn into national border disputes. Even during the summer there are border conflicts over water, as there is not enough to share.
Formerly the fourth largest lake in the world with an area of 68,000 km2 (26,300 sq mi), the Aral Sea began shrinking in the 1960s after the rivers that fed it were diverted by Soviet irrigation projects. By 1997, 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 the smaller intermediate Barsakelmes Lake.
By 2009, the southeastern lake had disappeared and the southwestern lake had retreated to a thin strip at the western edge of the former southern sea. In subsequent years occasional water flows have led to the southeastern lake sometimes being replenished to a small degree. Satellite images by NASA in August 2014 revealed that for the first time in modern history the eastern basin of the Aral Sea had completely dried up. The eastern basin is now called the Aralkum Desert.
In an ongoing effort in Kazakhstan to save and replenish the North Aral Sea, the Dike Kokaral dam was completed in 2005. By 2008, the water level had risen 12 m (39 ft) above that of 2003. Salinity has dropped, and fish are again present in sufficient numbers for some fishing to be viable. The maximum depth of the North Aral Sea was 42 m (138 ft) (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 industry has been devastated, bringing unemployment and economic hardship. The water from the diverted Syr Darya river is used to irrigate about two million hectares (5,000,000 acres) of farmland in the Ferghana Valley. The Aral Sea region is heavily polluted, with consequent serious public health problems. UNESCO has added historical documents concerning the Aral Sea to its Memory of the World Register as a resource to study the environmental tragedy.
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