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Costimulation of soil glycosidase activity and soil respiration by nitrogen addition
Chen, Ji1,2,3,4; Luo, Yiqi4,5; Li, Jianwei6; Zhou, Xuhui7,8; Cao, Junji2,9; Wang, Rui-Wu1; Wang, Yunqiang2; Shelton, Shelby4; Jin, Zhao2; Walker, Laura M.10; Feng, Zhaozhong11; Niu, Shuli12; Feng, Wenting4; Jian, Siyang6; Zhou, Lingyan7
AbstractUnprecedented levels of nitrogen (N) have been deposited in ecosystems over the past century, which is expected to have cascading effects on microbially mediated soil respiration (SR). Extracellular enzymes play critical roles on the degradation of soil organic matter, and measurements of their activities are potentially useful indicators of SR. The links between soil extracellular enzymatic activities (EEAs) and SR under N addition, however, have not been established. We therefore conducted a meta-analysis from 62 publications to synthesize the responses of soil EEAs and SR to elevated N. Nitrogen addition significantly increased glycosidase activity (GA) by 13.0%, alpha-1,4-glucosidase (AG) by 19.6%, beta-1,4-glucosidase (BG) by 11.1%, beta-1,4-xylosidase (BX) by 21.9% and beta-D-cellobiosidase (CBH) by 12.6%. Increases in GA were more evident for long duration, high rate, organic and mixed N addition (combination of organic and inorganic N addition), as well as for studies from farmland. The response ratios (RRs) of GA were positively correlated with the SR-RRs, even when evaluated individually for AG, BG, BX and CBH. This positive correlation between GA-RR and SR-RR was maintained for most types of vegetation and soil as well as for different methods of N addition. Our results provide the first evidence that GA is linked to SR under N addition over a range of ecosystems and highlight the need for further studies on the response of other soil EEAs to various global change factors and their implications for ecosystem functions.
KeywordGlycosidase Activity Meta-analysis Nitrogen Addition Soil Respiration Soil Type Vegetation Type
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
WOS Research AreaBiodiversity & Conservation ; Environmental Sciences & Ecology
WOS SubjectBiodiversity Conservation ; Ecology ; Environmental Sciences
WOS IDWOS:000396829300029
Citation statistics
Cited Times:57[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Northwestern Polytech Univ, Ctr Ecol & Environm Sci, Xian 710072, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, State Key Lab Loess & Quaternary Geol SKLLQG, Xian 710061, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Univ Oklahoma, Dept Microbiol & Plant Biol, Norman, OK 73019 USA
5.Tsinghua Univ, Ctr Earth Syst Sci, Beijing 100084, Peoples R China
6.Tennessee State Univ, Dept Agr & Environm Sci, Nashville, TN 37209 USA
7.East China Normal Univ, Sch Ecol & Environm Sci, Tiantong Natl Field Observat Stn Forest Ecosyst, Shanghai 200062, Peoples R China
8.East China Normal Univ, Ctr Global Change & Ecol Forecasting, Shanghai 200062, Peoples R China
9.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710049, Peoples R China
10.Univ Arkansas, Dept Biol Sci, Fayetteville, AR 72701 USA
11.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China
12.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Synth Res Ctr Chinese Ecosyst Res Network, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Chen, Ji,Luo, Yiqi,Li, Jianwei,et al. Costimulation of soil glycosidase activity and soil respiration by nitrogen addition[J]. GLOBAL CHANGE BIOLOGY,2017,23(3):1328-1337.
APA Chen, Ji.,Luo, Yiqi.,Li, Jianwei.,Zhou, Xuhui.,Cao, Junji.,...&Zhou, Lingyan.(2017).Costimulation of soil glycosidase activity and soil respiration by nitrogen addition.GLOBAL CHANGE BIOLOGY,23(3),1328-1337.
MLA Chen, Ji,et al."Costimulation of soil glycosidase activity and soil respiration by nitrogen addition".GLOBAL CHANGE BIOLOGY 23.3(2017):1328-1337.
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