影响草地土壤呼吸的主要自然因子研究现状

摘要/Abstract

摘要： 草地生态系统作为陆地生态系统的主体生态类型之一,脆弱的生态环境与频繁的人类活动使之较其他生态系统对全球气候与环境变化的响应更为迅速。草地土壤通过土壤呼吸作用向大气释放CO2是草地生态系统碳循环中最主要的一个环节,土壤呼吸量直接决定了土壤中碳素周转的速度。综合介绍了国内外草地土壤呼吸的研究现状,特别分析了一些自然因素对草地土壤呼吸的影响,对未来测定土壤呼吸的方法提出建议。

关键词: 草地生态系统, 土壤呼吸, 自然因素

Abstract: Among different ecosystems,Grassland ecosystem, as one of the main types in terrestrial ecosystems, more rapidly responds to the global climate and environment changes because of its fragile ecology and frequent human activities within it. The release of carbon from grassland to the atmosphere occurs primarily in the form of CO2 through soil respiration, so soil respiration directly controls the rate of carbon cycle in soil. The authors of this paper introduced the research status of grassland soil respiration at home and abroad, analyzed the factors that influence soil respiration, and proposed some suggestions on soil respiration measurement.

Key words: grassland ecosystem, soil respiration, natural factors

中图分类号:

S154

张芳;王涛;薛娴;韩邦帅;彭飞. 影响草地土壤呼吸的主要自然因子研究现状[J]. 中国沙漠, 2009, 29(5): 872-877.

ZHANG Fang;WANG Tao;XUE Xian;HAN Bang-shuai;PENG Fei. Research Status of Natural Factors Influencing Soil Respiration of Grassland Ecosystem[J]. JOURNAL OF DESERT RESEARCH, 2009, 29(5): 872-877.

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