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Plant functional diversity modulates global environmental change effects on grassland productivity
Xu, Zhuwen1,2; Li, Mai-He1,3; Zimmermann, Niklaus E.3; Li, Shao-Peng2; Li, Hui1; Ren, Haiyan4; Sun, Hao1; Han, Xingguo1,5; Jiang, Yong1; Jiang, Lin2
Corresponding AuthorJiang, Yong(jiangyong@iae.ac.cn) ; Jiang, Lin(lin.jiang@biology.gatech.edu)
2018-09-01
Source PublicationJOURNAL OF ECOLOGY
ISSN0022-0477
Volume106Issue:5Pages:1941-1951
Abstract1. Although much research has explored changes in ecosystem functions associated with global environmental changes, the mechanistic pathways behind the observed changes remain poorly understood. 2. Using an 11-year experiment that increased growing season precipitation and nitrogen deposition in a temperate steppe, we explored the relative importance of direct and indirect environmental change effects on plant primary productivity. 3. We show that increases in water and nitrogen availability influenced plant productivity via both direct and indirect pathways. While both treatments stimulated plant productivity, changes in plant productivity cannot be explained by observed changes in species or phylogenetic diversity. Instead, the indirect effects of water and nitrogen addition were through their positive effects on plant functional diversity. Importantly, while the increase in one component of functional diversity (community-level weighted mean of plant stature) resulted in increased productivity, the increase in another component of functional diversity (functional dispersion) resulted in decreased productivity. 4. Synthesis. Our study provides the first evidence for the opposite effects of community-weighted means and functional dispersion of plant functional traits on grassland productivity and highlights the importance of both traits of dominant species and trait distribution among species in modulating the effects of global changes on ecosystem functions.
Keywordfunctional dispersion functional traits global change ecology phylogenetic diversity precipitation species richness temperate steppe nitrogen deposition
Funding OrganizationNational Natural Science Foundation of China ; National Key Research and Development Program of China ; National Science Foundation of USA
DOI10.1111/1365-2745.12951
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[31361123001] ; National Natural Science Foundation of China[31370009] ; National Natural Science Foundation of China[41371251] ; National Key Research and Development Program of China[2016YFC0500707] ; National Science Foundation of USA[DEB-1342754]
WOS Research AreaPlant Sciences ; Environmental Sciences & Ecology
WOS SubjectPlant Sciences ; Ecology
WOS IDWOS:000452178600015
PublisherWILEY
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/130894
Collection中国科学院金属研究所
Corresponding AuthorJiang, Yong; Jiang, Lin
Affiliation1.Chinese Acad Sci, Inst Appl Ecol, Shenyang, Liaoning, Peoples R China
2.Georgia Inst Technol, Sch Biol Sci, Atlanta, GA 30332 USA
3.Swiss Fed Res Inst WSL, Birmensdorf, Switzerland
4.Inner Mongolia Agr Univ, Coll Grassland Resources & Environm, Minist Educ, Key Lab Grassland Resources, Hohhot, Peoples R China
5.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Xu, Zhuwen,Li, Mai-He,Zimmermann, Niklaus E.,et al. Plant functional diversity modulates global environmental change effects on grassland productivity[J]. JOURNAL OF ECOLOGY,2018,106(5):1941-1951.
APA Xu, Zhuwen.,Li, Mai-He.,Zimmermann, Niklaus E..,Li, Shao-Peng.,Li, Hui.,...&Jiang, Lin.(2018).Plant functional diversity modulates global environmental change effects on grassland productivity.JOURNAL OF ECOLOGY,106(5),1941-1951.
MLA Xu, Zhuwen,et al."Plant functional diversity modulates global environmental change effects on grassland productivity".JOURNAL OF ECOLOGY 106.5(2018):1941-1951.
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