中亚热带植被恢复对土壤有机碳含量、碳密度的影响
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辜翔,张仕吉,刘兆丹,李雷达,陈金磊,王留芳,方晰
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Effects of vegetation restoration on soil organic carbon concentration and density in the mid-subtropical region of China
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GU Xiang,ZHANG Shi-Ji,LIU Zhao-Dan,LI Lei-Da,CHEN Jin-Lei,WANG Liu-Fang,FANG Xi
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表1 不同植被恢复阶段样地的基本特征
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Table 1 Stand characteristics at different stages during vegetation restoration
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恢复阶段 Restoration stage | 优势植物 Dominant plants | 组成比例 Composition proportion (%) | 木本植物密度 Density of woody plants (trees·hm-2) | 多样性 指数 Diversity index | 重要值Important value (%) | 平均胸径 Average DBH (cm) | 平均树高 Average tree height (m) | 海拔 Elevation (m) | 坡向 Slope aspect | 坡度 Slope | 檵木-南烛- 杜鹃灌草丛 LVR | 檵木 Loropetalum chinense | 34.48 | 18125 | 0.87 | 27.46 | - | 0.85 (0.3-1.8) | 120-131 | 东南 Southeast | 18° | 南烛 Vaccinium bracteatum | 21.55 | 18.96 | 杜鹃 Rhododendron simsii | 12.07 | 14.00 | 白栎 Quercus fabri | 7.76 | 10.66 | 板栗 Castanea mollissima | 5.17 | 2.72 | 其他(8种) Others (8 species) | 18.97 | 26.20 | 檵木-杉木- 白栎灌木林 LCQ | 檵木 Loropetalum chinense | 17.47 | 7633 | 1.06 | 22.02 | 2.74 (1.0-9.8) | 3.37 (1.5-6.5) | 120-135 | 西北 Northwest | 22° | 杉木 Cunninghamia lanceolata | 14.85 | 13.16 | 白栎 Quercus fabri | 12.66 | 11.10 | 南烛 Vaccinium bracteatum. | 12.66 | 9.26 | 木姜子 Litsea spp. | 11.35 | 10.13 | 其他(16种) Others (16 species) | 31.01 | 34.43 | 马尾松-柯- 檵木针阔 混交林 PLL | 马尾松 Pinus massoniana | 39.69 | 17629 | 1.91 | 45.34 | 5.70 (1.0-28.0) | 6.54 (1.5-20.0) | 135-160 | 西南 Southwest | 20° | 柯 Lithocarpus glaber | 25.52 | 13.87 | 檵木 Loropetalum chinense | 11.06 | 7.43 | 红淡比 Cleyera japonica | 3.59 | 4.11 | 连蕊茶 Camellia cuspidata | 3.11 | 4.02 | 其他(22种) Others (22 species) | 17.03 | 25.23 | 柯-红淡比- 青冈常绿 阔叶林 LAG | 柯 Lithocarpus glaber | 38.78 | 19970 | 2.29 | 25.75 | 5.63 (1.0-40.0) | 5.75 (1.5-20.0) | 200-260 | 东南 Southeast | 22° | 红淡比 Cleyera japonica | 18.70 | 11.05 | 青冈 Cyclobalanopsis glauca | 5.82 | 8.90 | 杉木 Cunninghamia lanceolata | 5.36 | 6.14 | 格药柃 Eurya muricata Dunn | 5.06 | 5.73 | 其他(31种) Others (31 species) | 26.28 | 42.44 |
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