Policy development for sustainable soil water use on China's Loess Plateau

• 来源期刊: 科学通报（英文版）
• 年，卷（期）: 2020,（24）
• 所属期刊栏目: PERSPECTIVES
• 页码范围: 2053-2056
• 页数: 4页
• 语种: 英文

摘要

As the birthplace of the Chinese civilization,China's Loess Pla-teau(CLP)has an area of～640,000 km2 and supports a population of more than 100 million people.It has a history of intensive agri-culture more than 1000 years.The loess deposit of CLP is the lar-gest and deepest in the world.The abundance of silt grains in the loess deposit makes it relatively homogeneous,porous and prone to soil erosion.It has been one of the most severely eroded areas in the world[1].Since the 1950s,numerous soil and water conser-vation practices for the mitigation of soil erosion and desertifica-tion have been adopted,including terracing,check-dams and revegetation of hillslopes.With the large-scale revegetation pro-grams like the Grain-for-Green Program(GFGP)that was intro-duced at the end of the 1990s,CLP region has become one of the most significant greeneries in the world[1,2].