Central asian mountain range afghanistan kirgistan tijikistan
Kyoto Institute of Economic Research. The Zeravshan, which rises in Tajikistan, used to be the largest tributary of the Amu Darya before it began to be tapped for irrigation, mainly by Uzbekistan. Init was an estimated km 3 of which irrigation withdrawal accounted for 96 km 3or 90 central asian mountain range afghanistan kirgistan tijikistan of the total Sokolov, Desert storms are frequent, occurring on average more than 90 days a year. The region became unstable as many Silk Road empires simply ceased to exist, and clan-based kingdoms rose and fell until the twentieth century.