[1]毕珍,石辉,许五弟,等.四川盆地森林土壤的有机碳储量及其空间分布特征[J].水土保持研究,2009,16(05):83-87.
　BI Zhen,SHI Hui,XU Wu-di,et al.Forest Soil Organic Carbon Storage and Characteristics of Spacial Distribution in Sichuan Basin[J].Research of Soil and Water Conservation,2009,16(05):83-87.
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四川盆地森林土壤的有机碳储量及其空间分布特征

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 16 期数: 2009年05期 页码: 83-87 栏目: 出版日期: 2009-10-20
Title:
Forest Soil Organic Carbon Storage and Characteristics of Spacial Distribution in Sichuan Basin
作者:
毕珍1, 石辉1, 许五弟2, 刘兴良3
1. 西安建筑科技大学, 环境与市政工程学院, 西北水资源与生态环境教育部重点实验室, 西安 710055;
2. 西安建筑科技大学, 建筑学院, 西安 710055;
3. 四川省林业科学研究院, 成都 610081
Author(s):
BI Zhen1, SHI Hui1, XU Wu-di2, LIU Xing-liang3
1. College of Environmental and Municipal Engineering, Xi’an University of Architecture and Technology, Key Laboratory of Northwest Water Resources and Environment and Ecology, Ministry of Education, Xi’an 710055, China;
2. College of Architecture, Xi’an University of Architecture and Technology, Xi’an 710055, China;
3. Research Institute of Forest Science Sichuan Province, Chendu 610081, China
关键词:
四川盆地; 森林土壤; 有机碳密度
Keywords:
Sichuan; Basin; forest; soil; organic; soil; carbon; (SOC); density
分类号:
S153.61;S714.2
摘要:
根据朱鹏飞和李德融编著的《四川森林土壤》（1989）一书中四川盆地152个森林土壤剖面数据，估算了该地区森林土壤有机碳密度及储量，并分析气候因素和地形对有机碳密度的影响。四川盆地森林土壤平均有机碳密度为（35.492±21.099）kg/m2，变异系数为59.45%，整个盆地森林土壤有机碳储量约为6.744×1015g；其中亚高山草甸草原土有机碳密度最高，为118.477kg/m2，最低的是草类-马尾松林林下黄壤，为3.145kg/m2；不同林型下土壤的有机碳含量差异较大。森林土壤有机碳的贮存受到温度、降水和海拔的影响，年均温度与有机碳密度呈极显著的负相关关系，海拔与有机碳密度呈极显著的正相关关系，温度是影响四川盆地森林土壤有机碳密度的关键因子。在年均降雨量400～800mm和年均温度0～4℃，可形成有机碳密度的高值区，其有机碳密度可达80 kg/m2；在年平均温度为14～16℃，降水1 400～1 600mm，可形成有机碳密度的低值区，其有机碳密度20kg/m2。
Abstract:
Soil organic carbon (SOC) density and storage of forest land in Sichuan Basin were studied based on data of 152 soil profiles,and some factors affecting SOC storage such as climate and landform were analyzed.The average SOC density of forest soil was (35.492±21.099)kg/m2 with CV 59.45%,and the total SOC storage in forest land is 6.744×1015g in whole basin.The SOC density in the sub-alpine meadow-grassland soil was the highest with 118.477kg/m2,and the lowest value of SOC density was 3.145 kg/m2 for yellow soil under the grass-Masson pine vegetation.The SOC density had notably difference for soils under different vegetation types.The temperature,rainfall and elevation were main factors that affect SOC storage,the relationship between average annual temperature and SOC density was a significant negative correlation,and the relationship between elevation and the density of SOC was a significant positive correlation.Among the rainfall,temperature and landform factors,the temperature was a key.That region where the annual average rainfall was 400～800 mm and annual average was 0～4℃,was a high-value area of mean SOC density with 80kg/m2.Where the temperature was 14～16℃ and the precipitation was 1 400～1 600mm had low density of SOC with 20kg/m2.

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备注/Memo

收稿日期:2009-6-5;
基金项目:国家973项目（2002CB111502）;国家自然科学基金项目（40471078）;国家“十一五”科技支撑计划课题（2006BAD03A10）
作者简介:毕珍(1984-)，女，陕西大荔人，硕士研究生，研究方向为环境生态。E-mail：bizhen1984@126.com
通讯作者:石辉(1968-)，男，陕西眉县人，博士，教授，主要从事水土保持方面的研究。E-mail：shihui@xauat.edu.cn

更新日期/Last Update: 1900-01-01