Diurnal Temperature Variation and Plants Drive Latitudinal Patterns in Seasonal Dynamics of Soil Microbial Community
Hu, Ang1,2; Nie, Yanxia3; Yu, Guirui4; Han, Conghai1; He, Jinhong3; He, Nianpeng4; Liu, Shirong5; Deng, Jie6; Shen, Weijun3; Zhang, Gengxin1
Corresponding AuthorZhang, Gengxin(zhangg@itpcas.ac.cn)
AbstractSeasonality, an exogenous driver, motivates the biological and ecological temporal dynamics of animal and plant communities. Underexplored microbial temporal endogenous dynamics hinders the prediction of microbial response to climate change. To elucidate temporal dynamics of microbial communities, temporal turnover rates, phylogenetic relatedness, and species interactions were integrated to compare those of a series of forest ecosystems along latitudinal gradients. The seasonal turnover rhythm of microbial communities, estimated by the slope (w value) of similarity-time decay relationship, was spatially structured across the latitudinal gradient, which may be caused by a mixture of both diurnal temperature variation and seasonal patterns of plants. Statistical analyses revealed that diurnal temperature variation instead of average temperature imposed a positive and considerable effect alone and also jointly with plants. Due to higher diurnal temperature variation with more climatic niches, microbial communities might evolutionarily adapt into more dispersed phylogenetic assembly based on the standardized effect size of MNTD metric, and ecologically form higher community resistance and resiliency with stronger network interactions among species. Archaea and the bacterial groups of Chloroflexi, Alphaproteobacteria, and Deltaproteobacteria were sensitive to diurnal temperature variation with greater turnover rates at higher latitudes, indicating that greater diurnal temperature fluctuation imposes stronger selective pressure on thermal specialists, because bacteria and archaea, single-celled organisms, have extreme short generation period compared to animal and plant. Our findings thus illustrate that the dynamics of microbial community and species interactions are crucial to assess ecosystem stability to climate variations in an increased climatic variability era.
Keywordseasonal microbial dynamics temporal turnover phylogenetic relatedness ecological network diurnal temperature variation plants
Indexed BySCI
Funding ProjectNational Natural Science Foundation of China[31425005] ; National Natural Science Foundation of China[31290222]
Funding OrganizationNational Natural Science Foundation of China
WOS Research AreaMicrobiology
WOS SubjectMicrobiology
WOS IDWOS:000463048900002
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Document Type期刊论文
Corresponding AuthorZhang, Gengxin
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing, Peoples R China
2.Hunan Agr Univ, Coll Resources & Environm, Changsha, Hunan, Peoples R China
3.Chinese Acad Sci, Ctr Ecol & Environm Sci, South China Bot Garden, Guangzhou, Guangdong, Peoples R China
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing, Peoples R China
5.Chinese Acad Forestry, Key Lab Forest Ecol & Environm, Beijing, Peoples R China
6.East China Normal Univ, Sch Ecol & Environm Sci, Shanghai, Peoples R China
Recommended Citation
GB/T 7714
Hu, Ang,Nie, Yanxia,Yu, Guirui,et al. Diurnal Temperature Variation and Plants Drive Latitudinal Patterns in Seasonal Dynamics of Soil Microbial Community[J]. FRONTIERS IN MICROBIOLOGY,2019,10:14.
APA Hu, Ang.,Nie, Yanxia.,Yu, Guirui.,Han, Conghai.,He, Jinhong.,...&Zhang, Gengxin.(2019).Diurnal Temperature Variation and Plants Drive Latitudinal Patterns in Seasonal Dynamics of Soil Microbial Community.FRONTIERS IN MICROBIOLOGY,10,14.
MLA Hu, Ang,et al."Diurnal Temperature Variation and Plants Drive Latitudinal Patterns in Seasonal Dynamics of Soil Microbial Community".FRONTIERS IN MICROBIOLOGY 10(2019):14.
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