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Sensitivity of plant species to warming and altered precipitation dominates the community productivity in a semiarid grassland on the Loess Plateau
Su, Fanglong1; Wei, Yanan1; Wang, Fuwei1; Guo, Jiuxin1,2; Zhang, Juanjuan1; Wang, Yi3; Guo, Hui1; Hu, Shuijin1,4
通讯作者Guo, Hui(hui.guo@njau.edu.cn) ; Hu, Shuijin(shuijin_hu@hotmail.com)
2019-07-01
发表期刊ECOLOGY AND EVOLUTION
ISSN2045-7758
卷号9期号:13页码:7628-7638
摘要Global warming and changes in precipitation patterns can critically influence the structure and productivity of terrestrial ecosystems. However, the underlying mechanisms are not fully understood. We conducted two independent but complementary experiments (one with warming and precipitation manipulation (+ or - 30%) and another with selective plant removal) in a semiarid grassland on the Loess Plateau, northwestern China, to assess how warming and altered precipitation affect plant community. Our results showed that warming and altered precipitation affected community aboveground net primary productivity (ANPP) through impacting soil moisture. Results of the removal experiment showed competitive relationships among dominant grasses, the dominant subshrub and nondominant species, which played a more important role than soil moisture in the response of plant community to warming and altered precipitation. Precipitation addition intensified the competition but primarily benefited the dominant subshrub. Warming and precipitation reduction enhanced water stresses but increased ANPP of the dominant subshrub and grasses, indicating that plant tolerance to drought critically meditated the community responses. These findings suggest that specie competitivity for water resources as well as tolerance to environmental stresses may dominate the responses of plant communities on the Loess Plateaus to future climate change factors.
关键词aboveground net primary productivity plant community plant interspecific relationship soil moisture tolerance to drought
DOI10.1002/ece3.5312
关键词[WOS]ELEVATED CO2 ; EXTREME PRECIPITATION ; SOIL RESPIRATION ; ECOSYSTEM CARBON ; RESPONSES ; NITROGEN ; DROUGHT ; TEMPERATURE ; BIOMASS ; GROWTH
收录类别SCI ; SCI
语种英语
资助项目National Key R&D Program of China[2017YFC0503902] ; Key Project of NAU[0306J0887] ; National Science Foundation of China[41671269]
WOS研究方向Environmental Sciences & Ecology ; Evolutionary Biology
项目资助者National Key R&D Program of China ; Key Project of NAU ; National Science Foundation of China
WOS类目Ecology ; Evolutionary Biology
WOS记录号WOS:000476593800018
出版者WILEY
引用统计
被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/13684
专题生态环境研究室
通讯作者Guo, Hui; Hu, Shuijin
作者单位1.Nanjing Agr Univ, Coll Resources & Environm Sci, Ecosyst Ecol Lab, Nanjing 210095, Jiangsu, Peoples R China
2.Fujian Agr & Forestry Univ, Coll Resources & Environm, Int Magnesium Inst, Fuzhou, Fujian, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary, Xian, Shaanxi, Peoples R China
4.North Carolina State Univ, Dept Entomol & Plant Pathol, Raleigh, NC 27695 USA
推荐引用方式
GB/T 7714
Su, Fanglong,Wei, Yanan,Wang, Fuwei,et al. Sensitivity of plant species to warming and altered precipitation dominates the community productivity in a semiarid grassland on the Loess Plateau[J]. ECOLOGY AND EVOLUTION,2019,9(13):7628-7638.
APA Su, Fanglong.,Wei, Yanan.,Wang, Fuwei.,Guo, Jiuxin.,Zhang, Juanjuan.,...&Hu, Shuijin.(2019).Sensitivity of plant species to warming and altered precipitation dominates the community productivity in a semiarid grassland on the Loess Plateau.ECOLOGY AND EVOLUTION,9(13),7628-7638.
MLA Su, Fanglong,et al."Sensitivity of plant species to warming and altered precipitation dominates the community productivity in a semiarid grassland on the Loess Plateau".ECOLOGY AND EVOLUTION 9.13(2019):7628-7638.
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