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火烧强度对上壤分散系数、孔隙度、饱和持水量、有效镁、细根系生物量的影响有显著差异。
The effects of forest fires on soil separate coefficients, porosity, saturated water-retaining capacity, available Mg, fine root significantly varied between the fire intensity.
高强度火烧对土壤容重、孔隙度和分散系数的影响均显著。
The effects of high intensity fires on soil unit weight, porosity and separate coefficient were significant.
采用逐步回归方法建立了草地头火速度、火强度、火烧迹地形状的预测模型。
A predictive model for head fire speed, fire intensity, and shape of burning site in grassland were established by step statistical method.
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