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围封对内蒙古典型草原与荒漠草原植被-土壤系统碳密度的影响
闫宝龙,王忠武*(),屈志强,王静,韩国栋*()
Effects of enclosure on carbon density of plant-soil system in typical steppe and desert steppe in Nei Mongol, China
YAN Bao-Long,WANG Zhong-Wu*(),QU Zhi-Qiang,WANG Jing,HAN Guo-Dong*()

图2. 围封与放牧对生物量碳密度的影响(平均值±标准偏差)。A, 地上。B, 地下。***, p < 0.000 1。

Fig. 2. The effects of enclosure and grazing on the carbon density of biomass (mean ± SD). A, Aboveground. B, Belowground. ***, p < 0.000 1.