The density of the Pinus tree-belt at the dune site should be paid special attention to because soil water holding capacity was poorer at this substrate;

由于沙丘土壤的保水性差，即使在夏秋雨季也不能有效保持水分，因此，沙丘油松林带应注意密度控制。

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The density of the Pinus tree-belt at the dune site should be paid special attention to because soil water holding capacity was poorer at this substrate;

由于沙丘土壤的保水性差，即使在夏秋雨季也不能有效保持水分，因此，沙丘油松林带应注意密度控制。

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