草地和林地相互交错。
流域草地和林地具有消减洪峰，涵养水源的功能。
Grassland and forest of watershed can drop down the flood peak and achieve self-restraint of the water.
较大面积的草地和林地被分割、破碎化，小块盐碱化草地空间聚集与扩张。
The arable land and salinized land patches congregated and expanded, while the landscape of grassland and forestland were becoming more fragmented.
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