湖南东部植被恢复对土壤有机碳矿化的影响
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 mineralization in the east of Hunan, China
GU Xiang,ZHANG Shi-Ji,LIU Zhao-Dan,LI Lei-Da,CHEN Jin-Lei,WANG Liu-Fang,FANG Xi
表4 土壤有机碳累积矿化量(Cm)、土壤有机碳矿化率(Cm/SOC)与植被因子的Pearson相关系数
Table 4 Pearson correlation coefficient between soil organic carbon (SOC) cumulative mineralization (Cm), the percentage of Cm to SOC content (Cm/SOC) and vegetation factors, respectively
项目
Item
植物多样
性指数
Species diversity index
地上部分
生物量
Aboveground
biomass
根系
生物量
Root
biomass
凋落物层
现存量
Existing
biomass in
litter layer
凋落物层
C含量
C concentration in
litter layer
凋落物层
N含量
N concentration in
litter layer
凋落物层
P含量
P concentration in
litter layer
凋落物层
木质素含量
Lignin concentration in
litter layer
凋落物层
C:N
The ratio of
C to N in
litter layer
凋落物层
C:P
The ratio of
C to P in
litter layer
凋落物层
N:P
The ratio of
N to P in
litter layer
Cm 0.625* 0.818** 0.897** 0.539 0.269 0.669* 0.640* 0.397 0.098 -0.287 -0.490
Cm/SOC -0.057 -0.150 -0.082 -0.075 0.051 0.171 0.137 0.016 0.010 -0.027 -0.155