湖南东部植被恢复对土壤有机碳矿化的影响
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Effects of vegetation restoration on soil organic carbon mineralization in the east of Hunan, China
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图4. 湖南东部不同植被恢复阶段土壤有机碳矿化率(Cm/SOC)(平均值+标准偏差)。LVR, 檵木-南烛-杜鹃灌草丛; LCQ, 檵木-杉木-白栎灌木林; PLL, 马尾松-柯-檵木针阔混交林; LAG, 柯-红淡比-青冈常绿阔叶林。不同大写字母表示同一土层不同植被恢复阶段之间差异显著(p < 0.05), 不同小写字母表示同一植被恢复阶段不同土层之间差异显著(p < 0.05)。 |
Fig. 4. The percentage of soil organic carbon cumulative mineralization to soil organic carbon content (Cm/SOC) at different vegetation restoration stages in the east of Hunan Province (mean + SD). LVR, Loropetalum chinense-Vaccinium bracteatum-Rhododendron mariesii scrub-grass-land; LCQ, Loropetalum chinense-Cunninghamia lanceolata-Quercus fabri shrubbery; PLL, Pinus massoniana-Lithocarpus glaber-?Loropetalum chinense coniferous-broad leaved mixed forest; LAG, Lithocarpus glaber-Cleyera japonica-Cyclobalanopsis glauca evergreen broad-leaved forest. Different capital letters represent significant differences among different vegetation restoration stages in the same soil layer (p < 0.05), and different lower letters indicate significant differences among different soil layers at the same vegetation restoration stage (p < 0.05). |
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