In early May, in the face of a rain, the Qingyang Loess Plateau in Gansu accelerated the process of changing from "yellow" to "green", and the face of the "cut" plateau and the continuous "advance" of the gully are being treated accordingly. The “Gugou Baoyuan” project built an ecological security barrier. Qingyang City is located in a sandy area with coarse sand in the middle reaches of the Yellow River. It is the most typical area for the development of loess land in China. However, severe soil erosion has caused loess ravines and ravines, and the complete plateau surface has been eroded and shrinking year by year. At the beginning of 2015, the city launched the “Gugou Baoyuan” comprehensive treatment project, which proposed the “four lines of defense” treatment and protection of “runway surface runoff regulation, trench head reinforcement protection, slope vegetation restoration, gully water and sand accumulation”. mode. Up to now, 33 large-scale rescue ditch-head channels have been managed, with a total area of 1101.85 square kilometers under protection and protection. The picture shows the Gugou Baoyuan Dam System Project in Heshui County, Qingyang City, Gansu Province. Gao Zhanshe
Release time: 2020-05-10 14:40:23 [Editor: Zhai Lu]