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Evaluating the lingering effect of livestock grazing on functional potentials of microbial communities in Tibetan grassland soils
Wang, MM (Wang, Mengmeng)1; Wang, SP (Wang, Shiping)2; Wu, LW (Wu, Linwei)1; Xu, DP (Xu, Depeng)1,3,4,5; Lin, QY (Lin, Qiaoyan)6; Hu, YG (Hu, Yigang)6,7; Li, XZ (Li, Xiangzhen)8; Zhou, JZ (Zhou, Jizhong)1,3,4,5,9,10; Yang, YF (Yang, Yunfeng)1,10; Yang, YF
Source PublicationPLANT AND SOIL
2016
Volume407Issue:1-2Pages:385-399
DOI10.1007/s11104-016-2897-y
AbstractLivestock grazing is a widely practiced land-use regime that can impose lingering effects on global biogeochemical cycles. However, elucidating the mechanisms of related eco-processes, which are largely mediated by the microbial community, remains challenging.
Here, we collected soil samples from two Tibetan grassland sites subjected to grazing in winter followed by a 3-month recovery. We then evaluated functional potentials of microbial communities via a metagenomic tool known as GeoChip 4.0.
Significant alterations were detected in post-grazing grassland soils, and further analysis showed that plant diversity was the best indicator of alterations in functional potentials. Relative abundances of labile C degradation genes decreased at the 3400-m site, but those of recalcitrant C degradation genes increased, which could be explained by the higher soil recalcitrant C input owing to their being substantially more forbs species at this site. Nitrification genes decreased at both sites, probably owing to increased soil moisture conducive to oxygen-limiting conditions. Relative abundance of denitrification genes increased at the 3200-m site, concomitant with increased N2O emissions.
Subject Area普通生物学
WOS IDWOS:000385205100028
Language英语
Indexed BySCI
KeywordMicrobial Functional Potential Tibetan Grassland Post-winter Grazing Geochip Keywords Plus: Alpine Meadow Biotic Homogenization Bacterial Communities Trametes-versicolor Inner-mongolia Climate-change Nitrous-oxide New-zealand Carbon Diversity
Cooperation Status国际
Department生态
SubtypeArticle
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/7587
Collection图书馆
Corresponding AuthorYang, YF
Affiliation1.Tsinghua Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
2.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing 100101, Peoples R China
3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
4.Univ Oklahoma, Inst Environm Genom, Norman, OK 73019 USA
5.Univ Oklahoma, Dept Bot & Microbiol, Norman, OK 73019 USA
6.Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Adapt & Evolut Plateau Biota, Xining 810008, Peoples R China
7.Chinese Acad Sci, Cold & Arid Reg & Environm Engn Res Inst, Shapotou Desert Expt & Res Stn, Lanzhou 730000, Peoples R China
8.Chinese Acad Sci, Chengdu Inst Biol, Chengdu 610041, Peoples R China
9.Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA
10.Tsinghua Univ, Collaborat Innovat Ctr Reg Environm Qual, Sch Environm, Beijing 100084, Peoples R China
Recommended Citation
GB/T 7714
Wang, MM ,Wang, SP ,Wu, LW ,et al. Evaluating the lingering effect of livestock grazing on functional potentials of microbial communities in Tibetan grassland soils[J]. PLANT AND SOIL,2016,407(1-2):385-399.
APA Wang, MM .,Wang, SP .,Wu, LW .,Xu, DP .,Lin, QY .,...&Yang, YF.(2016).Evaluating the lingering effect of livestock grazing on functional potentials of microbial communities in Tibetan grassland soils.PLANT AND SOIL,407(1-2),385-399.
MLA Wang, MM ,et al."Evaluating the lingering effect of livestock grazing on functional potentials of microbial communities in Tibetan grassland soils".PLANT AND SOIL 407.1-2(2016):385-399.
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