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沼泽与高寒草甸退化对CH_4和CO_2通量的影响
Alternative TitleInfluence of degradation of the swamp and alpine meadows on CH4 and CO2 fluxes on the Qinghai-Tibetan Plateau
王俊峰; 王根绪; 吴青柏
Corresponding Author王根绪
2009
Source Publication中国环境科学
ISSN474-480
Volume29Issue:5Pages:474-480
Abstract

在青藏高原风火山地区,对不同退化程度沼泽和高寒草甸CH_4和CO_2通量以及相应的环境因子进行了为期1年的观测.结果表明,不同退化程度沼泽草甸CH_4和CO_2通量均表现出排放特征,排放强度随退化程度的增加而降低;不同退化程度高寒草甸对CO_2表现为排放特征,而对CH_4却表现为吸收特征,且均随着退化程度的加剧而增强.未来气候模式下,沼泽与高寒草甸退化将对区域气温升高起到一定的促进作用.气温、5cm土壤温度和土壤水分含量以及生物量是影响CH_4和CO_2的通量的主要环境因子. 

Other Abstract

In the Fenghuoshan region on the Qinghai-Tibetan Plateau, the CH_4 and CO_2 fluxes and the corresponding environmental factors of the swamp and alpine meadows with different degradation degrees were determined for one year. The swamp meadows with different degradation degrees all showed the characteristics of CH_4 and CO_2 emitting and the emission intensities reduced with the degradation degrees increased; the different degraded alpine meadows showed the characteristics of CO_2 emitting but CH_4 being absorbed and all the fluxes increased with the degradation degrees pricked up. In the future climate conditions, degradations of the swamp and alpine meadows on the Qinghai-Tibetan Plateau would play a promotion role during the regional warming. Air temperature, soil temperature and moisture at the 5cm depth and biomass were the major environmental factors influencing the CH_4 and CO_2 fluxes.

KeywordCh4 Co2 影响因子 沼泽和高寒草甸 退化 青藏高原
Subject AreaS812
DOI10.1007/s12665-009-0193-3
Indexed ByEI ; CSCD ; 北大中文核心
Language中文
CSCD IDCSCD:3557487
Funding Organization国家自然科学基金资助项目(40625004、90511003)
Accession numberAccession number:20102713053625
Citation statistics
Cited Times:31[WOS]   [WOS Record]     [Related Records in WOS]
Cited Times:6[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/18399
Collection成都山地所知识仓储(2009年以前)
山地表生过程与生态调控重点实验室
Affiliation1.中国科学院寒区旱区环境与工程研究所,冻土工程国家重点实验室
2.中国科学院成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
王俊峰,王根绪,吴青柏. 沼泽与高寒草甸退化对CH_4和CO_2通量的影响[J]. 中国环境科学,2009,29(5):474-480.
APA 王俊峰,王根绪,&吴青柏.(2009).沼泽与高寒草甸退化对CH_4和CO_2通量的影响.中国环境科学,29(5),474-480.
MLA 王俊峰,et al."沼泽与高寒草甸退化对CH_4和CO_2通量的影响".中国环境科学 29.5(2009):474-480.
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