Soilmesofauna in 4 types of soil gradient in acidity was investigated in beach land of Eastern Shanghai in 1999.
1999年,对上海浦东滩涂4类不同酸碱度土壤中的中型土壤动物进行了调查。
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The soilmesofauna tends to gather on soil surface, but the vertical migrating greatly varies in different seasons affected by climate condition, edatope, artificial factor and so on.