The area of farmland and salinized land increased rapidly while that of grassland, woodland, and water area decreased significantly in recent 15 years.

• 结果表明；此间林地、草地不断破碎化；耕地、盐碱地从整体上呈现集中化特征.；耕地与草地、草地与盐碱地空间相邻度增大；草地开垦过快和土地盐碱化日益严重