IMHE OpenIR  > 成都山地所知识仓储(2009年以前)
青藏高原沼泽及高寒草甸生长期内CO_2排放
Alternative TitleCO_2 emissions from swamp and alpine meado during the growing seasons on the Qinghai-Tibetan Plateau
王俊峰1; 王根绪1,2; 王一博1; 李元寿3
Corresponding Author王俊峰
2007
Source Publication兰州大学学报(自然科学版)
ISSN0455-2059
Volume43Issue:5Pages:17-23
Abstract

采用静态箱-便携式红外色谱法对青藏高原风火山地区沼泽草甸和高寒草甸两类生态系统CO2排放通量进行了研究.结果表明:生长期内两类生态系统之间及同一生态系统内部不同的退化程度之间CO2排放通量均存在较大差异.其中:未退化沼泽草甸较高寒草甸CO2的排放通量同比高出65.1%~80.3%;中度退化沼泽草甸较高寒草甸CO2的排放通量同比高出22.1%~67.5%;然而,严重退化的高寒草甸比沼泽草甸CO2的排放通量反而高出14.3%~29.5%.对于同类型高寒草地,未退化沼泽草甸CO2的排放通量分别是中度退化和严重退化的1.12~1.69倍和1.41~3.86倍;严重退化高寒草甸CO2的排放通量分别是未退化和中度退化的1.11~1.78倍和1.04~1.79倍.

Other Abstract

As two very important ecosystems on the Plateau, swamp and alpine meadows have been playing an important role in carbon balance. Studies were carried on CO_2 fluxes from the two ecosystems with a close chamber-infrared spectrum technique in the Fenghuoshan area on the Tibetan Plateau., The results showed that the CO_2 fluxes were significantly different between the swamp meadow and alpine meadow ecosystems and between the different degenerate meadows, correspondingly. The CO_2 fluxes from the non-degradation swamp meadow were higher than those from the non-degradation alpine meadow by 65.1 to 80.3 percent; the CO_2 fluxes from the moderate degradation swamp meadow were higher than those from the corresponding degradation alpine meadow by 22.1 to 67.5 percent. In contrast, the CO_2 fluxes from the severe degradation alpine meadow were higher than those from the corresponding degradation swamp meadow by 14.3 to 29.5 percent. In the same high-cold ecosystem, the CO_2 fluxes from non-degradation swamp meadow were 1.12~1.69 times and 1.41~3.86 times higher than those from the moderate and severe degradation swamp meadows, respectively; the CO_2 fluxes from the severe degradation alpine meadow were 1.11~1.78 times and 1.04~1.79 times higher than those from the non-degradation and moderate degradation alpine meadows, respectively.

Keyword青藏高原 风火山 沼泽草甸 高寒草甸 二氧化碳 排放通量
Subject AreaX171
DOI10.13885/j.issn.0455-2059.2007.05.021
Indexed ByCSCD ; 北大中文核心
Language中文
CSCD IDCSCD:2940929
Funding Organization国家自然科学基金项目(90511003,40421101) ; 中国科学院百人计划项目(2004) ; 教育部新世纪人才计划项目
Citation statistics
Cited Times:12[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/18477
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.兰州大学西部环境教育部重点实验室
2.中国科学院成都山地灾害与环境研究所
3.中国科学院寒区旱区环境与工程研究所
Recommended Citation
GB/T 7714
王俊峰,王根绪,王一博,等. 青藏高原沼泽及高寒草甸生长期内CO_2排放[J]. 兰州大学学报(自然科学版),2007,43(5):17-23.
APA 王俊峰,王根绪,王一博,&李元寿.(2007).青藏高原沼泽及高寒草甸生长期内CO_2排放.兰州大学学报(自然科学版),43(5),17-23.
MLA 王俊峰,et al."青藏高原沼泽及高寒草甸生长期内CO_2排放".兰州大学学报(自然科学版) 43.5(2007):17-23.
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