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Effect of soil moisture and atmospheric humidity on both plant productivity and diversity of native grasslands across the Loess Plateau, China
Deng, Lei1,2; Wang, Kaibo3; Li, Jianping4; Zhao, Gangwei5; Shangguan, Zhouping1,2
2016-09-01
Source PublicationECOLOGICAL ENGINEERING
ISSN0925-8574
Volume94Pages:525-531
Corresponding AuthorShangguan, Zhouping(shangguan@ms.iswc.ac.cn)
AbstractWater is a key element in building and maintaining regional ecosystems functions, particularly in arid and semi-arid regions, in which ecosystem productivity, surface energy balance, and water availability are closely interconnected. However, the effects of differences in soil moisture levels at different depths and humidity index involved MAT and MAP on plant diversity have received only scant attention. To determine effects of soil moisture and humidity index on both plant productivity and diversity of native grasslands on the Loess Plateau, China, a gradient analysis of soil moisture and above- and below-ground properties of plant communities showed that vegetation cover and above- and below-ground biomass were significantly and positively correlated to the levels of soil moisture. More specifically, the below ground biomass was significantly and positively correlated to moisture in the top 10 cm layer of soil, whereas plant height, litter biomass, and root-to-shoot ratio were unrelated to the level of soil moisture. Plant diversity (richness index and the Shannon-Wiener diversity index) was significantly and positively correlated to a greater degree with moisture in the topsoil (0-5 cm layer) than in the subsoil, and was also closely correlated to the humidity index. Overall, changes in plant diversity in arid and semi-arid grassland ecosystems are closely determined by soil moisture and atmospheric humidity, and that higher moisture content in soil and higher atmospheric humidity favour greater plant diversity. (C) 2016 Elsevier B.V. All rights reserved.
KeywordArid and semi-arid Humidity index Native grasslands Plant diversity Soil water
DOI10.1016/j.ecoleng.2016.06.048
WOS KeywordSPECIES-DIVERSITY ; SEMIARID GRASSLAND ; ORGANIC-CARBON ; CLIMATE-CHANGE ; PRECIPITATION ; VEGETATION ; ECOSYSTEM ; PATTERNS ; COMMUNITY ; DESERT
Indexed BySCI
Language英语
Funding ProjectMajor Program of the National Natural Science Foundation of China[41390463] ; National Key Technology RD Program[2015BAC01B03] ; Science and Technology Service Network Initiative of the Chinese Academy of Sciences[KFJ-EW-STS-005]
Funding OrganizationMajor Program of the National Natural Science Foundation of China ; National Key Technology RD Program ; Science and Technology Service Network Initiative of the Chinese Academy of Sciences
WOS Research AreaEnvironmental Sciences & Ecology ; Engineering
WOS SubjectEcology ; Engineering, Environmental ; Environmental Sciences
WOS IDWOS:000381636400056
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/66140
Collection中国科学院地理科学与资源研究所
Corresponding AuthorShangguan, Zhouping
Affiliation1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Shaanxi, Peoples R China
4.Ningxia Univ, Sch Agr, Ningxia 750021, Yinchuan, Peoples R China
5.Chinese Acad Agr Sci, Zhengzhou Fruit Res Inst, Zhengzhou 450009, Henan, Peoples R China
Recommended Citation
GB/T 7714
Deng, Lei,Wang, Kaibo,Li, Jianping,et al. Effect of soil moisture and atmospheric humidity on both plant productivity and diversity of native grasslands across the Loess Plateau, China[J]. ECOLOGICAL ENGINEERING,2016,94:525-531.
APA Deng, Lei,Wang, Kaibo,Li, Jianping,Zhao, Gangwei,&Shangguan, Zhouping.(2016).Effect of soil moisture and atmospheric humidity on both plant productivity and diversity of native grasslands across the Loess Plateau, China.ECOLOGICAL ENGINEERING,94,525-531.
MLA Deng, Lei,et al."Effect of soil moisture and atmospheric humidity on both plant productivity and diversity of native grasslands across the Loess Plateau, China".ECOLOGICAL ENGINEERING 94(2016):525-531.
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