Why did some people leave settlements along the former Aral Sea shoreline?

People left settlements along the former Aral Sea shoreline primarily due to the catastrophic environmental and economic collapse caused by the lake's rapid shrinkage.1

Key factors driving this depopulation include:

• Collapse of the Fishing Industry: As the water level dropped and salinity levels rose, the lake’s fish populations—including sturgeon, carp, and roach—were killed off, destroying the local fishing industry and the primary source of livelihood for many residents.12
• Loss of Access to Water: The receding shoreline left once-thriving ports, such as Aral and Muynoq, stranded far from the water, rendering them nonfunctional.1
• Health and Environmental Hazards: The exposed seabed became a source of toxic dust storms laden with salt, fertilizers, and pesticides. This led to severe health crises among the local population, including high rates of throat cancer, anemia, kidney disease, and infant mortality.1
• Climate Deterioration: The contraction of the sea resulted in a harsher local climate, characterized by more extreme winter and summer temperatures.1