高寒冻土区生物结皮对土壤理化属性的影响
明姣, 盛煜, 金会军, 张泽, 杜玉霞

The impact of the biological soil crusts on the frozen soil properties in the frozen ground region
Jiao MING, Yu SHENG, Huijun JIN, Ze ZHANG, Yuxia DU
图3 不同土层土壤容重随地表覆盖变化
注:字母a、b表示同一土层两种类型生物结皮与裸地之间土壤容重差异显著(P<0.05)
Fig.3 The soil bulk density of different soil layers with different land cover