46 , 47 Moreover, as rural livelihoods became increasingly unsustainable owing to environmental degradation, there was a marked trend of out-migration from environmentally stressed rural areas toward urban centers or even across national borders. 25 In addition, under the SSP5-8.5 scenario, the ecological water demand for the Aral Sea was greater than that under SSP2-4.5, 12 further limiting the water resources available for agricultural irrigation.
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A transboundary water allocation strategy for the Aral Sea Basin: Integrating the water-food-energy-environment nexus.
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