The correlation between water and soil conservation effect coefficient and the difference between precipitation and evapotranspiration was negative.

　
英 美
  • 保土作用系數與降水蒸發(fā)差呈負相關(guān)；與植物初級生產(chǎn)力呈正相關(guān)；其相關(guān)性很高；可信度均超過(guò)0.；01水平。
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