[1]何清清,邴海健,吴艳宏*,等.海螺沟冰川退缩区土壤元素分布特征及影响因素[J].山地学报,2017,(05):698-708.[doi:10.16089/j.cnki.1008-2786.000269]
　HE Qingqing,BING Haijian,WU Yanhong*,et al.Distribution Characteristics and Influencing Factors of Soil Elements in the Retreated Area of Hailuogou Glacier, SW China[J].Mountain Research,2017,(05):698-708.[doi:10.16089/j.cnki.1008-2786.000269]
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海螺沟冰川退缩区土壤元素分布特征及影响因素()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2017年05期
页码:
698-708
栏目:
出版日期:
2017-09-30

文章信息/Info

Title:
Distribution Characteristics and Influencing Factors of Soil Elements in the Retreated Area of Hailuogou Glacier, SW China
文章编号:
1008-2786-(2017)5-698-11
作者:
何清清1; 2; 邴海健1; 吴艳宏1*; 王吉鹏1; 周 俊1; 孙宏洋1; 祝 贺1; 2
1.中国科学院、水利部成都山地灾害与环境研究所,山地表生过程与生态调控重点实验室,成都 610041;
2.中国科学院大学,北京 100049
Author(s):
HE Qingqing1; 2;  BING Haijian1; WU Yanhong1*;  WANG Jipeng1;  ZHOU Jun1;  SUN Hongyang1;  ZHU He1; 2
1.Key Laboratory of Mountain Surface Processes and Ecological Regulation,Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041;
2.University of Chinese Academy of Sciences, Beijing 100049
关键词:
元素;  土壤发育;  元素分布特征;  冰川退缩区;  贡嘎山
Keywords:
soil elements;  soil development;  distribution characteristics;  glacier retreat area;  Gongga Mountain
分类号:
K903
DOI:
10.16089/j.cnki.1008-2786.000269
文献标志码:
A
摘要:
土壤形成和发育过程中,元素的赋存特征对陆地生态系统的健康发育至关重要。本研究选择海螺沟冰川退缩区,按照土壤年龄设置了6个采样点(0,30,40,52,80和120年),调查了18种元素在O层(有机层)、A层(矿物质层)和C层(母质层)的分布特征,并分析了主要影响因素。结果显示,在海螺沟冰川退缩区C层土壤中所有元素的浓度变化不大,反映了母岩基质相对单一; 在表层土壤(O层和A层)中,Al、Ba、Ca、Cr、Cu、Fe、K、Mg、Mn、Na、Ni、Sr、Ti、V发生明显亏损,P和Zn次之,而Cd和Pb存在明显富集。随土壤发育和植被演替,大多数元素的亏损程度增加,特别在针叶林阶段明显高于植被演替前期。土壤风化、植物吸收和径流损失对大多数元素的亏损具有重要影响,而Cd和Pb的高度富集主要归因于大气沉降和植物的归还作用。
Abstract:
In the processes of soil formation and development, the distribution characteristics of soil elements are essential to the healthy development of terrestrial ecosystems.In this study, six sampling sites(0, 30, 40, 52, 80 and 120 years)were selected according to the soil age in the Hailuogou glacier retreat area.Eighteen elements in the O horizon(organic horizon), A horizon(material horizon)and C horizon(parent material)were selected to investigate their distribution characteristics, and then the main influencing factors were deciphered.The results showed that the concentrations of all elements in the C horizon of the glacier retreat area did not vary markedly, indicating the homogenous nature of the soil parent materials.In the surface soils(O horizon and A horizon), Al, Ba, Ca, Cr, Cu, Fe, K, Mg, Mn, Na, Ni, Sr, Ti and V were significantly depleted, P and Zn were moderately depleted, whereas Cd and Pb were prominently enriched.With soil development and vegetation succession, especially when coniferous species dominated, the soil weathering, plant uptake and runoff loss may be the main factors contributing to the loss of the depleted elements.The high enrichment of Cd and Pb was mainly attributed to the atmospheric deposition and the returning of plants.

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相似文献/References:

[1]姚天全,张世玉,赵恒康,等.哀牢山徐家坝地区土壤中12种元素的自然背景值[J].山地学报,1999,(03):84.

备注/Memo

备注/Memo:
收稿日期(Received date):2017-06-20; 改回日期(Accepted date): 2017-09-30
基金项目(Foundation item):国家自然科学基金项目(41630751; 41402313); 中国科学院山地表生过程与生态调控重点实验室开放基金项目; 中科院青年创新促进会人才项目[National Nature Science Foundation of China(41630751; 41402313); Key Laboratory of Mountain Surface Processes and Ecological Regulation,Chinese Academy of Sciences; Youth Innovation Promotion Association, Chinese Academy of Science.]
作者简介(Biography):何清清(1993-),女,四川成都人,博士研究生,主要从事生物地球化学研究 [He Qingqing,(1993-), female, born in Chengdu, Sichuan province, Ph.D candidate, interested in biogeochemistry] E-mail:hqq@imde.ac.cn
*通讯作者(Corresponding author):吴艳宏(1969-),男,博士,研究员,主要研究方向为生物地球化学 [Wu Yanhong(1969-), male, Ph.D., professor, specialized in biogeochemistry] E-mail:yhwu@imde.ac.cn
更新日期/Last Update: 2017-09-30