黄河口滨岸潮滩湿地土壤碳、氮的空间分异特征
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牟晓杰, 孙志高, 刘兴土
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Spatial Distribution Patterns of Carbon and Nitrogen in the Tidal Marsh Soil of the Yellow River Estuary
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Xiao-jie MOU, Zhi-gao SUN, Xing-tu LIU
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表1 不同土层C、N的描述性统计结果 |
Table 1 Descriptive statistics results of C and N in different soil layers |
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土层(cm) | 项目 | 均值 (mg/kg) | 标准差 (mg/kg) | 变异系数( %) | 最大值 (mg/kg) | 最小值 (mg/kg) | 偏度 Sk | 峰度 Ku | PK-S | 0~10 | TC | 22139.31 | 3444.74 | 15.56 | 26782.65 | 11752.74 | -1.440 | 2.157 | 0.043 | TN | 743.90 | 218.59 | 29.38 | 1120.54 | 205.02 | -0.695 | 0.395 | 0.226 | C/N | 31.85 | 7.71 | 24.22 | 57.33 | 21.90 | 1.331 | 1.147 | 0.149 | 10~20 | TC | 22822.78 | 2403.24 | 10.53 | 26395.21 | 15384.72 | -1.227 | 1.425 | 0.042 | TN | 631.31 | 120.11 | 19.03 | 846.54 | 259.17 | -0.745 | 1.010 | 0.355 | C/N | 37.07 | 5.59 | 15.09 | 65.31 | 29.54 | 2.190 | 6.452 | 0.211 |
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