Loss of Soil and Water in Loess Plateau of Yellow River Basin and Its Preventive Countermeasure

摘要

The loess plateau of Yellow River valley (called loess plateau for short as follows) extends from Riyue Mountain in the west to Taihang Mountains in the east, and from Qinling Mountains in the south to Yinshan Mountains along the northern edge of the plateau. It includes 46 regions (city, prefecture and league) in 7 provinces and 306 counties (town, region and flag), with the total area of land 640,000km~2. The total population is 90.75 million, among which there is 69.2 million of agricultural population.