The ecological system may be got back or rebuilt through fading cropland and returning forest (grass), and the ecological system may be rapidly got back or rebuilt through increasing farmer income.

• 退耕还林(草)将会促进生态系统的恢复和重建,提高农民收入(如退耕还林经济补偿),是实现和加速生态系统恢复和重建的关键。