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Alpine soil carbon is vulnerable to rapid microbial decomposition under climate cooling
Wu, LW (Wu, Linwei)1,2,3; Yang, YF (Yang, Yunfeng)1; Wang, SP (Wang, Shiping)4,5; Yue, HW (Yue, Haowei)1; Lin, QY (Lin, Qiaoyan)6; Hu, YG (Hu, Yigang)3,6,7; He, ZL (He, Zhili)2; Van Nostrand, JD (Van Nostrand, Joy D.)2,3; Hale, L (Hale, Lauren)2,3; Li, XZ (Li, Xiangzhen)8; Gilbert, JA (Gilbert, Jack A.)9,10; Zhou, JZ (Zhou, Jizhong)1,2,3,11; Yang, YF
Source PublicationISME JOURNAL
2017
Volume11Issue:9Pages:2102-2111
DOI10.1038/ismej.2017.75
AbstractAs climate cooling is increasingly regarded as important natural variability of long-term global warming trends, there is a resurging interest in understanding its impact on biodiversity and ecosystem functioning. Here, we report a soil transplant experiment from lower to higher elevations in a Tibetan alpine grassland to simulate the impact of cooling on ecosystem community structure and function. Three years of cooling resulted in reduced plant productivity and microbial functional potential (for example, carbon respiration and nutrient cycling). Microbial genetic markers associated with chemically recalcitrant carbon decomposition remained unchanged despite a decrease in genes associated with chemically labile carbon decomposition. As a consequence, cooling-associated changes correlated with a decrease in soil organic carbon (SOC). Extrapolation of these results suggests that for every 1 degrees C decrease in annual average air temperature, 0.1 Pg (0.3%) of SOC would be lost from the Tibetan plateau. These results demonstrate that microbial feedbacks to cooling have the potential to differentially impact chemically labile and recalcitrant carbon turnover, which could lead to strong, adverse consequences on soil C storage. Our findings are alarming, considering the frequency of short-term cooling and its scale to disrupt ecosystems and biogeochemical cycling.
Subject Area普通生物学
WOS IDWOS:000407804100014
Language英语
Indexed BySCI
KeywordTibetan Grasslands Organic-matter Temperature Sensitivity Methane Fluxes Nitrous-oxide Forest Soil Gas Fluxes Responses Ecosystem Feedback
WOS Research AreaEnvironmental Sciences & Ecology; Microbiology
WOS SubjectEcology; Microbiology
Cooperation Status国际
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/7999
Collection图书馆
Corresponding AuthorYang, YF
Affiliation1.Tsinghua Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Con, 1 Tsinghua Garden Rd, Beijing, Peoples R China.
2.Univ Oklahoma, Dept Microbiol & Plant Biol, Inst Environm Genom, Norman, OK 73019 USA.
3.Univ Oklahoma, Sch Civil Engn & Environm Sci, Norman, OK 73019 USA.
4.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing, Peoples R China.
5.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China.
6.Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Adapt & Evolut Plateau Biota, Xining, Qinghai, Peoples R China.
7.Chinese Acad Sci, Cold & Arid Reg & Environm & Engn Res Inst, Shapotou Desert Expt & Res Stn, Lanzhou, Gansu, Peoples R China.
8.Chinese Acad Sci, Chengdu Inst Biol, Chengdu, Sichuan, Peoples R China.
9.Argonne Natl Lab, BioSci Div, Microbiome Ctr, 9700 S Cass Ave, Argonne, IL 60439 USA.
10.Univ Chicago, Dept Surg, 5841 S Maryland Ave, Chicago, IL 60637 USA.
11.Lawrence Berkeley Natl Lab, Earth & Environm Sci, Berkeley, CA USA.
Recommended Citation
GB/T 7714
Wu, LW ,Yang, YF ,Wang, SP ,et al. Alpine soil carbon is vulnerable to rapid microbial decomposition under climate cooling[J]. ISME JOURNAL,2017,11(9):2102-2111.
APA Wu, LW .,Yang, YF .,Wang, SP .,Yue, HW .,Lin, QY .,...&Yang, YF.(2017).Alpine soil carbon is vulnerable to rapid microbial decomposition under climate cooling.ISME JOURNAL,11(9),2102-2111.
MLA Wu, LW ,et al."Alpine soil carbon is vulnerable to rapid microbial decomposition under climate cooling".ISME JOURNAL 11.9(2017):2102-2111.
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