Oasis, developing in desert, but being different in desert, which forms a contradictory with the desert and change with each other under certain conditions.

绿洲寓于荒漠却又异于荒漠，与荒漠构成对立统一体，根据一定的条件可以互相转化。

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Along the gradient zone of ecotone between oasis and desert, 3 zones can be divided clearly by the change of soil water content.

在绿洲至流动沙丘这一环境梯度带，其水分变化可以明显划分为3个区间。

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As the result, we find: the most distinct features of LUCC in arid area mainly appeared in the oasis-desert interlocked belt, and the whole change is not obvious, but the partial variation is sharp.

结果发现：干旱区LUCC热点区域主要集中在绿洲-荒漠交错带，并具有整体变化不大，但局部变化剧烈的特点。

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