Sheep and goats destroy the fragile shrub and tree cover, contributing to erosion, and making it more difficult for natural forage to replenish itself. This is especially true of the steep gully sides where sheep mainly graze. But people in northern Shann - - Soil and Water Conservation in the Loess Region of China. The continuing erosion of China's Loess plateau endangers both the local population and those who live along the lower courses of the Huang Ho. The name itself - the Yellow River - describes its silt-heavy waters. The river is, in fact, silting up at an