Yellow River protection at heart of guideline

The document covers vital ecological areas along sections of the river that run through seven provinces－Qinghai, Sichuan, Gansu, Shanxi, Shaanxi, Henan and Shandong－as well as the Ningxia Hui and Inner Mongolia autonomous regions.

In recent years, the environmental health of the river has improved due to water conservation and reasonable space arrangement, the document said.