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
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Effects of enclosure on carbon density of plant-soil system in typical steppe and desert steppe in Nei Mongol, China
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图3. 围封与放牧对典型草原和荒漠草原土壤碳密度的影响(平均值±标准偏差)。**, p < 0.01。 |
Fig. 3. The effects of enclosure and grazing on soil carbon density in the typical and desert steppes (mean ± SD). **, p < 0.01. |
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