The excessive development of the step hydropower station in the Dongxi River and Xixi River of Jinjiang River valley has great influence on the population structure and water quality,and thus speeds up the eutrophication of the water.

• 东溪、西溪上过度开发的梯级水电站对浮游动物群落结构和水质有明显的影响,加速了水体富营养化进程。