Thanks to a combination of reduced flow and increased run-off from saline soils churned up by agriculture, the water was becoming unhealthily salty, especially in its lower reaches.

• 由于流量减少再加上因农业活动所造成的盐渍土流失加剧，河水开始变咸，尤其是在下游区域，这对饮用者的健康有着不利影响。