On one hand, the lowland soil is kept flooded throughout rice growing season, therefore, they are very much diversified by the properties of the different soils from which they originated.
一方面，湿地土壤在稻作季中始终保持淹水，它们比原来的土壤有绝然不同的性质。
The vegetation distributing pattern at the scale of dune-lowland lies on the terrain and the soil water gradient.
沙地植被在沙丘-丘间低地景观尺度上的分布格局决定于地形及因地形而异的土壤水分梯度。
In lowland country almost any spot on the ground may overlie what was once the bed of a river that has since become buried by soil;
低地区域上的任何位置可能就是曾经的河床，后续被土壤覆盖而变成现在的样子。
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