The sandy desertification of this area is characterized by vulnerability, restorability and reversibility, by which the ecological-environment reversion period has been determined.

• 沙漠化的形成有自然和人为两方面原因。该地区沙漠化发展具有脆弱性、可恢复性和可逆性的三性"特征,以及生态环境恢复的时间周期。