中亚热带植被恢复对土壤有机碳含量、碳密度的影响
辜翔,张仕吉,刘兆丹,李雷达,陈金磊,王留芳,方晰

Effects of vegetation restoration on soil organic carbon concentration and density in the mid-subtropical region of China
GU Xiang,ZHANG Shi-Ji,LIU Zhao-Dan,LI Lei-Da,CHEN Jin-Lei,WANG Liu-Fang,FANG Xi
表1 不同植被恢复阶段样地的基本特征
Table 1 Stand characteristics at different stages during vegetation restoration
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°
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
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