Microbial versus non-microbial methane releases from fresh soils at different temperatures

doi:10.1016/j.geoderma.2016.08.027

	Microbial versus non-microbial methane releases from fresh soils at different temperatures
	Gu, Qian ; Chang, Scott X.; Wang, Zhi-Ping ; Feng, Jin-Chao ; Chen, Quan-Sheng ; Han, Xing-Guo
	2016
发表期刊	GEODERMA
ISSN	0016-7061
卷号	284 页码:178-184
摘要	Methane (CH4) production in soils can occur by microbial and non-microbial processes. We postulated that there exist the mixed microbial and non-microbial CH4 emissions from fresh soils in nature. To test both emissions and their importance, this study examined CH4 releases from fresh soils of forest, orchard, croplands, grasslands, and wetland. By designing the treatments with or without inhibitor(s) in the laboratory conditions, we used inhibition method to compare/distinguish microbial and non-microbial CH4 releases from fresh soils at a series of temperatures. Microbial CH4 release occurred mainly in wetland soils and moist upland soils, with the peak rates of 10(1)-10(3) ng gdw(-1) h(-1) around 40 degrees C. Non-microbial CH4 release occurred mainly in upland soils and usually increased with temperature, showing negligible rates at ambient temperatures of 0-40 degrees C and detectable rates of approximately 0.2-0.7 ng gdw(-1)h(-1) at high temperatures of 50-70 degrees C. Microbial CH4 release was much more important than non-microbial CH4 release from fresh soils at different temperatures, when all land uses were considered together. In nature, soils are frequently exposed to various forms of environmental stress. Besides temperature fluctuation examined in the present study, solar ultraviolet radiation, soil water deficit and flooding, hypoxia and hyperoxia, tillage, and herbicide may also affect non-microbial CH4 production. Thus, more measurements are required for understanding the contribution of non-microbial CH4 emission to the total from soils. (C) 2016 Elsevier B.V. All rights reserved.
关键词	CH4 production Greenhouse gas Upland Wetland Global change
学科领域	Soil Science
DOI	10.1016/j.geoderma.2016.08.027
收录类别	SCI
语种	英语
WOS关键词	TERRESTRIAL PLANTS ; CARBON-DIOXIDE ; NITROUS-OXIDE ; EMISSIONS ; FOREST ; CH4 ; INHIBITORS ; OXIDATION ; WETLANDS ; METHANOGENESIS
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号	WOS:000385322500017
出版者	ELSEVIER SCIENCE BV
文献子类	Article
出版地	AMSTERDAM
EISSN	1872-6259
资助机构	National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31370493] ; Ministry of Science and Technology of ChinaMinistry of Science and Technology, China [2016YFA0600803] ; Natural Science and Engineering Research Council of Canada (NSERC)Natural Sciences and Engineering Research Council of Canada (NSERC)
作者邮箱	wangzp5@ibcas.ac.cn
引用统计	被引频次：8[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/25123
专题	植被与环境变化国家重点实验室
作者单位	1.[Gu, Qian 2.Wang, Zhi-Ping 3.Chen, Quan-Sheng 4.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Nanxincun 20, Beijing 100093, Peoples R China 5.[Chang, Scott X.] Univ Alberta, Dept Renewable Resources, Edmonton, AB T6G 2E3, Canada 6.Chinese Acad Forestry, Inst Desertificat Studies, Beijing 100091, Peoples R China
推荐引用方式 GB/T 7714	Gu, Qian,Chang, Scott X.,Wang, Zhi-Ping,et al. Microbial versus non-microbial methane releases from fresh soils at different temperatures[J]. GEODERMA,2016,284:178-184.
APA	Gu, Qian,Chang, Scott X.,Wang, Zhi-Ping,Feng, Jin-Chao,Chen, Quan-Sheng,&Han, Xing-Guo.(2016).Microbial versus non-microbial methane releases from fresh soils at different temperatures.GEODERMA,284,178-184.
MLA	Gu, Qian,et al."Microbial versus non-microbial methane releases from fresh soils at different temperatures".GEODERMA 284(2016):178-184.

条目包含的文件
文件名称/大小	文献类型	版本类型	开放类型	使用许可
j.geoderma.2016.08.0（601KB）	期刊论文	出版稿	开放获取	CC BY-NC-SA	浏览请求全文