| 摘要: |
| 土壤有机碳含量是森林土壤肥力主要特征，研究不同植被类型下土壤有机碳含量具有重要现实意义。本研究采用TWINSPAN进行植被类型分类，对广东长潭自然保护区不同植被类型土壤有机碳分布特征进行了研究，结果表明，基于乔木胸高断面积作为分类标准的不同植被类型土壤有机碳差异极显著（p＜0.01），8个植被类型中，胸高断面积最小的植被类型3土壤有机碳含量最高，为27.45±1.41 g.Kg-1，胸高断面积最大的植被类型1土壤有机碳含量最低，为11.87±2.69 g.Kg-1，总的来说呈胸高断面积增加土壤有机碳含量减少的趋势。 |
| 关键词: 胸高断面积，土壤有机碳，TWINSPAN |
| DOI： |
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| 基金项目:基金/项目：国家林业局热带林业研究重点实验室开放基金(2005K02)；中国香港特别行政区嘉道理农场暨植物园资助项目；广东省林业局项目“广东省森林生态效益监测站建立与研究”。 |
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| Soil Organic Carbon Contents in Relation to Vegetation Types in Changtan Nature Reserve, Guangdong Province |
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zhang you-sheng, Zheng Ding-hua1, Li Hai2
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1.Landscape Administrative Bureau, Huizhou;2.Landscape Architecture Planning and Design Institute, Huizhou
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| Abstract: |
| SOC contents is the main characteristic of forest soil fertility, so studying SOC contents of different vegetation types has important actual meaning. This study used TWINSPAN to sort vegetation types, studied SOC distribution characteristic of different vegetation types in Changtan Nature Reserve, Guangdong Province. The result showed, prominent difference of SOC content of different vegetation types basing on arbor basal area was existed（p＜0.01）, among 8 vegetation types, having the most SOC content was type1 which had the least basal area, SOC contents was 27.45±1.41 g.Kg-1, having the least SOC content was type3 which had the most basal area, SOC contents was 11.87±2.69 g.Kg-1. Generally, SOC contents decreased with basal area increasing. |
| Key words: basal area soil organic carbon TWINSPAN |
