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基于年轮分析的桂林岩溶区青冈栎地上生物量研究(PDF)

《广西植物》[ISSN:1000-3142/CN:45-1134/Q]

期数:
2012年04期
页码:
464
栏目:
植物生态与生物多样性保护
出版日期:
2012-07-25

文章信息/Info

Title:
Above ground biomass of Cyclobalanopsis glauca analyzed by treering method in karst region
作者:
潘复静1 张中峰12 黄玉清1* 莫凌1
1.广西壮族自治区中国科学院广西植物研究所, 广西 桂林 541006; 2.南京林业大学 森林环境学院, 南京 210037
Author(s):
PAN FuJing1 ZHANG ZhongFeng12 HUANG YuQing1* MO Ling1
1.Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and the Chinese Academy of Sciences, Guilin 541006, China; 2.School of Forestry and Environment, Nanjing Forestry University, Nanjing 210037, China
关键词:
岩溶 青冈栎 年轮分析 年轮指数 生物量
Keywords:
karst Cyclobalanopsis glauca treering analysis treering index biomass
分类号:
Q949
DOI:
-
文献标识码:
A
摘要:
采用年轮分析法对岩溶区青冈栎样树年轮和生物量进行测定并对其群落生物量进行估算。研究结果显示,青冈栎平均树龄46 a,平均胸径20.52 cm,单位地上生物量为98.668 t·hm2。随着植株的生长,胸径越大则生物量越大,两者形成明显的幂函数关系。d、e、f、g和h样树地上生物量为2.884、22.567、108.183、134.314和379.799 kg,生物量分配状况是主干>枝条>树叶,大部分的生物量分配在主干,生物量随着胸径的增大明显加大。
Abstract:
Treering character and biomass of Cyclobalanopsis glauca were measured by method of treering analysis and its aboveground biomass was analysed in karst region. The results showed that average age, average diameter and aboveground biomass of C.glauca in karst forest was 46 a, 20.52 cm and 98.668 t·hm2, respectively. With increase of the diameter,the biomass was markedly increased. The aboveground biomass of sample tree d, e, f, g and h was 2.884, 22.567, 108.183, 134.314 and 379.799 kg, respectively. Most of the biomass was distributed in the trunk, and the distribution order was trunk>branches>leaves.

参考文献/References

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备注/Memo

备注/Memo:
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更新日期/Last Update: 2012-07-25