Geography of Uzbekistan in Uzbekistan is best exemplified by the catastrophe of the Aral Sea. Because of diversion of the Amu Darya and Syr Darya for cotton cultivation and other purposes, what once was the world's fourth largest inland sea has shrunk in the past thirty years to only about one-third of its 1960 volume and less than half its 1960 geographical size. The desiccation and salinization of the lake have caused extensive storms of salt and dust from the sea's dried bottom, wreaking havoc on the region's agriculture and ecosystems and on the population's health. Desertification has led to the large-scale loss
History of Kazakhstan numeracy of Kazakhs was still higher than other Central Asian nations, which are nowadays referred to as Kyrgyzstan, Turkmenistan and Uzbekistan. There could be several reasons for this striking early numeracy level. First and foremost, the settler share could explain part of this, albeit Russians were a minority in the Kazakh steppe. Secondly, the relatively good nutritional situation in Kazakhstan. Protein malnutrition that plagued many other populations of Central Asian nations was absent in Kazakhstan. Moreover, Russian settlers of the 1870s and 1880s might have simulated so-called contact learning. Kazakhs started to invest more in human capital because they observed