Riverhead areas have an especial status and Very important function in ecological, economical and social development in China. 江河源区在我国经济社会发展和生态环境保护与建设中具有十分重要的地位和作用。
Chaihe is an important riverhead source in Tieling, so its eutrophic cannot be ignored. 柴河水库作为铁岭市重要的饮用水源,其富营养化问题不容忽视。