疏勒河源冻土区高寒草甸土壤碳氮含量特征
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贾映兰, 吴明辉, 魏培洁, 赵建中, 高雅月, 陈生云
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Characteristics of soil carbon and nitrogen contents in permafrost region of the Shule River Headwaters
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Yinglan Jia, Minghui Wu, Peijie Wei, Jianzhong Zhao, Yayue Gao, Shengyun Chen
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表1 土壤理化性质及生物量概况
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Table 1 Soil physicochemical properties and biomass
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| 指 标 | 季 节 |
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| 春季 | 夏季 | 秋季 | 冬季 |
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| 土壤温度ST/℃ | -2.25 ± 1.65 | 3.93 ± 1.15 | 0.13 ± 1.60 | -6.62 ± 0.66 | | 土壤含水量SM/% | 11.75 ± 2.71 | 44.61 ± 3.79 | 37.35 ± 9.26 | 7.84 ± 0.24 | | pH值 | 8.34 ± 0.08 | 8.37 ± 0.11 | 8.55 ± 0.12 | 7.82 ± 0.11 | | 氧化还原电位Eh/μV | 157.63 ± 3.74 | 147.47 ± 4.50 | 180.40 ± 3.51 | 170.20 ± 4.40 | | 地上生物量AGB/（g·m-2） | 176.00 ± 72.94 | 222.18 ± 75.91 | 203.23 ± 62.00 | 115.87 ± 36.86 | | 地下生物量BGB/（g·m-2） | 1 395.37 ± 654.22 | 1 148.51 ± 442.16 | 1 166.54 ± 442.67 | 1 050.16 ± 353.76 |
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