松辽平原土壤碳库变化及其原因分析
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刘国栋, 李禄军, 戴慧敏, 许江, 刘凯, 张一鶴, 杨泽
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Change in soil carbon pool in Songliao Plain and its cause analysis
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LIU Guo-Dong, LI Lu-Jun, DAI Hui-Min, XU Jiang, LIU Kai, ZHANG Yi-He, YANG Ze
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表2 松辽平原不同土壤类型土壤有机碳密度及碳储量统计
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Table 2 Statistics of soil organic carbon density and carbon storage of different soil types in Songliao Plain
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土壤类型 | SOCD20/(kg·m-2) | SOCD180/(kg·m-2) | 面积/km2 | SOCS20/Tg | SOCS180/Tg | 沼泽土 | 9.24 | 41.64 | 9484 | 87.61 | 394.89 | 火山灰土 | 9.10 | 46.38 | 348 | 3.17 | 16.14 | 暗棕壤 | 7.36 | 36.86 | 32124 | 236.54 | 1184.08 | 石质土 | 6.93 | 34.93 | 48 | 0.33 | 1.68 | 泥炭土 | 6.59 | 32.30 | 424 | 2.80 | 13.70 | 城区 | 5.81 | 29.03 | 104 | 0.60 | 3.02 | 黑土 | 5.22 | 26.09 | 45868 | 239.36 | 1196.89 | 白浆土 | 4.65 | 23.12 | 10548 | 49.01 | 243.91 | 草甸土 | 4.09 | 20.23 | 105668 | 432.61 | 2137.16 | 水稻土 | 3.88 | 21.22 | 10988 | 42.64 | 233.19 | 棕壤 | 2.99 | 18.93 | 30692 | 91.92 | 581.11 | 黑钙土 | 2.99 | 14.64 | 45200 | 135.06 | 661.67 | 新积土 | 2.92 | 14.79 | 824 | 2.40 | 12.19 | 沙洲 | 2.86 | 19.58 | 4 | 0.01 | 0.08 | 江河湖泊 | 2.83 | 15.10 | 1648 | 4.67 | 24.89 | 滨海盐土 | 2.30 | 15.72 | 784 | 1.80 | 12.32 | 粗骨土 | 2.17 | 13.48 | 984 | 2.13 | 13.26 | 红黏土 | 2.14 | 15.44 | 164 | 0.35 | 2.53 | 盐土 | 1.99 | 10.78 | 856 | 1.70 | 9.22 | 碱土 | 1.99 | 10.52 | 4104 | 8.17 | 43.18 | 栗钙土 | 1.78 | 9.43 | 10248 | 18.22 | 96.66 | 褐土 | 1.77 | 10.92 | 9748 | 17.28 | 106.42 | 潮土 | 1.71 | 9.53 | 21520 | 36.84 | 205.15 | 风沙土 | 1.50 | 8.52 | 21884 | 32.73 | 186.36 | 总计 | | | 364264 | 1447.97 | 7379.70 |
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