The headwaters and wetlands along the railway line are to be specially protected to avoid desertification in the headwaters areas, shrinkage of wetlands, deterioration of grasslands and water pollution that might be caused by the construction.

• 保护江河源头水源和沿线湿地，避免因施工引起水源区沙化、湿地萎缩、草场退化和水质污染。