Differential responses of carbon-degrading enzyme activities to warming: Implications for soil respiration
Chen, Ji1,2,3,4; Luo, Yiqi5,6; Garcia-Palacios, Pablo7; Cao, Junji2,3,8; Dacal, Marina7; Zhou, Xuhui9,10; Li, Jianwei11; Xia, Jianyang9; Niu, Shuli12; Yang, Huiyi13; Shelton, Shelby14; Guo, Wei15; van Groenigen, Kees Jan16
Corresponding AuthorChen, Ji(chenji@ieecas.cn) ; Cao, Junji(cao@loess.llqg.ac.cn) ; Li, Jianwei(jli2@tnstate.edu)
AbstractExtracellular enzymes catalyze rate-limiting steps in soil organic matter decomposition, and their activities (EEAs) play a key role in determining soil respiration (SR). Both EEAs and SR are highly sensitive to temperature, but their responses to climate warming remain poorly understood. Here, we present a meta-analysis on the response of soil cellulase and ligninase activities and SR to warming, synthesizing data from 56 studies. We found that warming significantly enhanced ligninase activity by 21.4% but had no effect on cellulase activity. Increases in ligninase activity were positively correlated with changes in SR, while no such relationship was found for cellulase. The warming response of ligninase activity was more closely related to the responses of SR than a wide range of environmental and experimental methodological factors. Furthermore, warming effects on ligninase activity increased with experiment duration. These results suggest that soil microorganisms sustain long-term increases in SR with warming by gradually increasing the degradation of the recalcitrant carbon pool.
Keywordcellulase activity decomposition extracellular enzyme activity global warming ligninase activity recalcitrant carbon pool soil microorganisms soil respiration
Indexed BySCI
Funding ProjectUS National Science Foundation[1137293] ; US National Science Foundation[OIA-1301789] ; National Natural Science Foundation of China[41701292] ; United States Department of Energy[DE-SC00114085] ; US Department of Energy
Funding OrganizationUS National Science Foundation ; National Natural Science Foundation of China ; United States Department of Energy ; US Department of Energy
WOS Research AreaBiodiversity & Conservation ; Environmental Sciences & Ecology
WOS SubjectBiodiversity Conservation ; Ecology ; Environmental Sciences
WOS IDWOS:000445728800028
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorChen, Ji; Cao, Junji; Li, Jianwei
Affiliation1.Northwest Polytech Univ, Key Lab Space Biosci & Biotechnol, Ctr Ecol & Environm Sci, Xian, Shaanxi, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Xian, Shaanxi, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, Xian, Shaanxi, Peoples R China
4.Aarhus Univ, Dept Agroecol, Ctr Circular Bioecon, Tjele, Denmark
5.Northern Univ Arizona, Dept Biol Sci, Ctr Ecosyst Sci & Soc, Flagstaff, AZ USA
6.Tsinghua Univ, Dept Earth Syst Sci, Beijing, Peoples R China
7.Univ Rey Juan Carlos, Dept Biol & Geol Fis & Quim Inorgan & Anal, Area Biodiversidad & Conservac, Mostoles, Spain
8.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian, Shaanxi, Peoples R China
9.East China Normal Univ, Sch Ecol & Environm Sci, Tiantong Natl Field Observat Stn Forest Ecosyst, Ctr Global Change & Ecol Forecasting, Shanghai, Peoples R China
10.Shanghai Inst Pollut Control & Ecol Secur, Shanghai, Peoples R China
11.Tennessee State Univ, Dept Agr & Environm Sci, Nashville, TN 37203 USA
12.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Synth Res Ctr Chinese Ecosyst Res Network, Beijing, Peoples R China
13.Univ Exeter, Coll Engn Math & Phys Sci, Exeter, Devon, England
14.Univ Colorado, Dept Emergency Med, Denver, CO 80202 USA
15.Xi An Jiao Tong Univ, Dept Earth & Environm Sci, Xian, Shaanxi, Peoples R China
16.Univ Exeter, Coll Life & Environm Sci, Geog, Exeter, Devon, England
Recommended Citation
GB/T 7714
Chen, Ji,Luo, Yiqi,Garcia-Palacios, Pablo,et al. Differential responses of carbon-degrading enzyme activities to warming: Implications for soil respiration[J]. GLOBAL CHANGE BIOLOGY,2018,24(10):4816-4826.
APA Chen, Ji.,Luo, Yiqi.,Garcia-Palacios, Pablo.,Cao, Junji.,Dacal, Marina.,...&van Groenigen, Kees Jan.(2018).Differential responses of carbon-degrading enzyme activities to warming: Implications for soil respiration.GLOBAL CHANGE BIOLOGY,24(10),4816-4826.
MLA Chen, Ji,et al."Differential responses of carbon-degrading enzyme activities to warming: Implications for soil respiration".GLOBAL CHANGE BIOLOGY 24.10(2018):4816-4826.
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