NWIPB OpenIR
The phylogenetic structure of AMF communities shifts in response to gradient warming with and without winter grazing on the Qinghai-Tibet Plateau
Shi, Guoxi1,2; Yao, Buqing1; Liu, Yongjun3; Jiang, Shengjing3; Wang, Wenying2; Pan, Jianbin3; Zhao, Xinquan1; Feng, Huyuan3; Zhou, Huakun1
2017-12-01
发表期刊APPLIED SOIL ECOLOGY
卷号121页码:31-40
文章类型Article
摘要Arbuscular mycorrhizal fungi (AMF) have been demonstrated to influence many ecological processes in their natural ecosystems. However, little is known about how AMF communities respond to gradient warming and grazing, especially winter grazing. In the present study, we conducted an experiment to examine the interaction between warming and winter grazing, simulated by clipping before the growing season, to measure changes in the AMF community across a warming gradient with and without winter clipping in an alpine meadow ecosystem. A total of 63 phylotypes of AMF were identified using 454 pyrosequencing. Both warming and clipping reduced AMF species richness, but had no additive negative effects. The clipping alone and the interaction between warming and clipping changed the AMF species composition, but not its phylogenetic composition. The phylogenetic structure of AMF communities were dramatically changed from phylogenetically random to convergent across our warming gradient under the unclipped treatments and were phylogenetically random in all treatments with clipping. Our findings suggest that the primary ecological processes determining AMF communities shift from stochastic processes to habitat filtering across our warming gradient under the unclipped treatments, whilst there was no such shift under the clipped treatments. This study highlights that the removal of standing dead biomass through winter grazing serves a key role in regulating soil microbial diversity in the much warmer world.
关键词Winter Clipping Warming Gradient Soil Microbial Community Global Climate Change Ecological Processes
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.apsoil.2017.09.010
关键词[WOS]ARBUSCULAR MYCORRHIZAL FUNGI ; ALPINE MEADOW ECOSYSTEM ; TEMPERATE GRASSLAND ; SEMIARID STEPPE ; SHORT-TERM ; PLANT ; COLONIZATION ; DIVERSITY ; EVOLUTION ; NITROGEN
收录类别SCI
语种英语
项目资助者National Natural Foundation of China(31500427 ; National Key Research and Development Project of China(2016YFC0501901) ; Province Natural Foundation of Qinghai(2016-ZJ-957Q) ; China Postdoctoral Science Foundation(2015M582735) ; Qinghai innovation platform construction project(2017-ZJ-Y20) ; 31672475 ; 31670433 ; 31572354)
WOS研究方向Agriculture
WOS类目Soil Science
WOS记录号WOS:000414085700004
引用统计
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/10369
专题中国科学院西北高原生物研究所
作者单位1.Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Restorat Ecol Cold Area Qinghai Prov, Xining 810008, Qinghai, Peoples R China
2.Qinghai Normal Univ, Coll Life Sci & Geog, Xining 810008, Qinghai, Peoples R China
3.Lanzhou Univ, Sch Life Sci, MOE Key Lab Cell Act & Stress Adaptat, Lanzhou 730000, Gansu, Peoples R China
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GB/T 7714
Shi, Guoxi,Yao, Buqing,Liu, Yongjun,et al. The phylogenetic structure of AMF communities shifts in response to gradient warming with and without winter grazing on the Qinghai-Tibet Plateau[J]. APPLIED SOIL ECOLOGY,2017,121:31-40.
APA Shi, Guoxi.,Yao, Buqing.,Liu, Yongjun.,Jiang, Shengjing.,Wang, Wenying.,...&Zhou, Huakun.(2017).The phylogenetic structure of AMF communities shifts in response to gradient warming with and without winter grazing on the Qinghai-Tibet Plateau.APPLIED SOIL ECOLOGY,121,31-40.
MLA Shi, Guoxi,et al."The phylogenetic structure of AMF communities shifts in response to gradient warming with and without winter grazing on the Qinghai-Tibet Plateau".APPLIED SOIL ECOLOGY 121(2017):31-40.
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