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DOI10.1111/mec.16952
Taxonomic and functional biogeographies of soil bacterial communities across the Tibet plateau are better explained by abiotic conditions than distance and plant community composition
Liang, Qingqing; Mod, Heidi K.; Luo, Shuaiwei; Ma, Beibei; Yang, Kena; Chen, Beibei; Qi, Wei; Zhao, Zhigang; Du, Guozhen; Guisan, Antoine; Ma, Xiaojun; Le Roux, Xavier
发表日期2023
ISSN0962-1083
EISSN1365-294X
起始页码3747
结束页码3762
卷号32期号:13
英文摘要The processes governing soil bacteria biogeography are still not fully understood. It remains unknown how the importance of environmental filtering and dispersal differs between bacterial taxonomic and functional biogeography, and whether their importance is scale-dependent. We sampled soils across the Tibet plateau, with distances among plots ranging from 20 m to 1550 km. Taxonomic composition of bacterial community was characterized by 16S amplicon sequencing and functional community composition by qPCR targeting 9 functional groups involved in N dynamics. Factors representing climate, soil and plant community were measured to assess different facets of environmental dissimilarity. Both bacterial taxonomic and functional dissimilarities were more related to abiotic dissimilarity than biotic (vegetation) dissimilarity or distance. Taxonomic dissimilarity was mostly explained by differences in soil pH and mean annual temperature (MAT), while functional dissimilarity was linked to differences in soil N and P availabilities and N:P ratio. Soil pH and MAT remained the main determinants of taxonomic dissimilarity across spatial scales. In contrast, the explanatory variables of N-related functional dissimilarity varied across the scales, with soil moisture and organic matter having the highest role across short distances (similar to 660 km). Our results demonstrate how biodiversity dimension (taxonomic versus functional aspects) and spatial scale influence the factors driving soil bacterial biogeography.
关键词1500 km transectfunctional diversitymicrobial biogeographynitrogen cyclingTibet plateau
英文关键词AMMONIA-OXIDIZING ARCHAEA; BETA-DIVERSITY; MICROBIAL COMMUNITIES; PH GRADIENT; PATTERNS; NITROGEN; MICROORGANISMS; NITRIFICATION; DECAY; MINERALIZATION
WOS研究方向Biochemistry & Molecular Biology ; Ecology ; Evolutionary Biology
WOS记录号WOS:000972163700001
来源期刊MOLECULAR ECOLOGY
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/282921
作者单位Lanzhou University; University of Helsinki; University of Lausanne; Lanzhou University; University of Lausanne; Centre National de la Recherche Scientifique (CNRS); Universite Claude Bernard Lyon 1; INRAE; VetAgro Sup; Lanzhou University
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GB/T 7714
Liang, Qingqing,Mod, Heidi K.,Luo, Shuaiwei,et al. Taxonomic and functional biogeographies of soil bacterial communities across the Tibet plateau are better explained by abiotic conditions than distance and plant community composition[J],2023,32(13).
APA Liang, Qingqing.,Mod, Heidi K..,Luo, Shuaiwei.,Ma, Beibei.,Yang, Kena.,...&Le Roux, Xavier.(2023).Taxonomic and functional biogeographies of soil bacterial communities across the Tibet plateau are better explained by abiotic conditions than distance and plant community composition.MOLECULAR ECOLOGY,32(13).
MLA Liang, Qingqing,et al."Taxonomic and functional biogeographies of soil bacterial communities across the Tibet plateau are better explained by abiotic conditions than distance and plant community composition".MOLECULAR ECOLOGY 32.13(2023).
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