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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
发表期刊ECOLOGICAL ENGINEERING
卷号94期号:2016页码:525-531
文章类型Article
摘要Water 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.
关键词Arid And semi-Arid Humidity Index Native Grasslands Plant Diversity Soil Water
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.ecoleng.2016.06.048
关键词[WOS]SPECIES-DIVERSITY ; SEMIARID GRASSLAND ; ORGANIC-CARBON ; CLIMATE-CHANGE ; PRECIPITATION ; VEGETATION ; ECOSYSTEM ; PATTERNS ; COMMUNITY ; DESERT
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology ; Engineering
WOS类目Ecology ; Engineering, Environmental ; Environmental Sciences
WOS记录号WOS:000381636400056
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5666
专题生态环境研究室
作者单位1.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
推荐引用方式
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(2016):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(2016),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(2016):525-531.
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