[1]范文娟,容 丽,张振球.喀斯特峡谷型流域主要生态系统的碳分布——以晴隆孟寨流域为例[J].山地学报,2015,(04):457.
　FAN Wenjuan,RONG li,ZHANG Zhenqiu.Carbon Distribution of Main Vegetation Types of 　 Mengzhai Watershed in South China Karst Canyon Area[J].Mountain Research,2015,(04):457.
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喀斯特峡谷型流域主要生态系统的碳分布——以晴隆孟寨流域为例()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2015年04期
页码:
457
栏目:
山地环境
出版日期:
2015-08-01

文章信息/Info

Title:
Carbon Distribution of Main Vegetation Types of 　 Mengzhai Watershed in South China Karst Canyon Area
作者:
范文娟; 容 丽; 张振球
1.贵州师范大学 ，贵州 贵阳 550001； 2.镇江市第三中学，江苏 镇江 212001； 3.中国科学院地球化学研究所 贵州 贵阳 55001； 4.南京师范大学 江苏 南京 210023
Author(s):
FAN Wenjuan; RONG li; ZHANG Zhenqiu
1.Guizhou Normal University, Guizhou Guiyang 550001,China; 2.Zhenjiang NO.3 Middle School,Jiangsu Zhenjiang 212001,China; 3. Institute of geochemistry chinese academy of sciences, Guizhou Guiyang 550001,China； 4.Nanjing Normal University,Jiangsu Nanjing 210046,China
关键词:
喀斯特峡谷; 植物碳密度; 碳格局
Keywords:
karst watershed; plant Carbon density; Carbon landscape
分类号:
P931.5，Q948.11
文献标志码:
A
摘要:
通过对晴隆孟寨流域乔木、灌木和草本层的调查，结合生物量回归方程式和土壤有机质数据，测算峡谷型喀斯特几种植被植物层、土壤层、枯落物层的碳密度状况，分析不同植物类型的碳密度及碳分布特征，发现晴隆孟寨流域上游中游碳密度高于下游，陡坡顶部的碳密度＞缓坡顶部，陡坡中部碳密度＜缓坡中部，陡坡部分顶部碳密度＞底部＞中部，缓坡部分顶部碳密度＞中部＞底部,主要的几种植被平均植物层碳密度在2.01～64.83 t/hm2，与全国其他地区植被层碳密度相比表现为低生物量、低碳密度。土壤碳密度在整个碳密度中贡献最大，在58.16～154.13 t/hm2。自然生态系统（山地）土壤碳密度虽然较低，但有机质含量相对较高。枯落物层的碳贮量对整个生态系统碳贮量的贡献不大，均低于5%。喀斯特峡谷地区土壤薄、砾石含量大是较其他地区碳密度低的根本原因，因此选择不同的植被类型和不同的森林管理方式，是治理该地区石漠化的关键。
Abstract:
A Carbon storage of different vegetation types base on a survey on the arbor, shrub and herb layer in Mengzhai watershed,Qinglong county of Guizhou,China, combing with survey on the biomass and soil organic matter,We measured several vegetation layer and soil layer,analysised layer of Carbon density of the canyon karst,the plant type characteristics of Carbon density and distribution, found that Carbon density of upstream and midstream are higher than the downstream. The Carbon density of the steep slope at the top of is greater than the top of gentle slope, Carbon density of the middle steep slope less than central gentle slope. Furthermore, to steep section, the Carbon density of the top is higher than the bottom of the central. To gentle slope section, Carbon density of the bottom under than the top and central part of the slope.Carbon density of several vegetation layer between in 2.01~64.83 t/hm2 which in Mengzhai watershed. Comparing with other parts of the vegetation layer, Carbon density in our study area showed low biomass and low Carbon density. The soil Carbon density was higher than vegetation layers which in 58.16~154.13 t/hm2.Litter layer of Carbon deposits on the contribution of the whole ecosystem Carbon deposits is not big, all less than 5%. The thin soil, gravel content in karst valley is the main cause of the lower Carbon density than other regions.

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备注/Memo

备注/Memo:
收稿日期(Received date)：2014-05-15；改回日期(Accepted) : 2014-08-11。
基金项目（Foundation item）：中国科学院战略性先导科技专项（XDA05070400）、贵州省社会发展科技攻关计划项目（黔科合SY字\[2012\]3011号）、国家自然科学基金创新群体项目（40721002）、贵州省自然科学
基金项目(黔科合J字\[2008\]2063号)。\[Special strategic science and technology projects of Chinese Academy of Sciences（XDA05070400）;Social development research project of Guizhou Province(Qian SY\[2012\]3011);National natural science foundation project to innovation groups(40721001);National Science Foundation of Guizhou Province(XDA05070400).\]
作者简介（Biography）：范文娟（1988-），女，安徽人，硕士，研究方向：自然资源管理与规划。 \[Fan Wenjuan (1988-)，Female，born in Anhui，master，research fields:Natural resource management，Natural resource planning. \] E-mail:WenjuanF@yeah.net *
通信作者(Corresponding author)：容丽（1973-），女，博士，教授，主要从事植物生态学等方面研究。\[Rong Li，Ph d，professor, research fields: plant ecology.\] E-mail:ronglit@163.com
更新日期/Last Update: 1900-01-01