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学科主题: 生物科学::普通生物学
题名: Biogeography of cryoconite bacterial communities on glaciers of the Tibetan Plateau
作者: Liu, YQ (Liu, Yongqin)1, 2, 6; Vick-Majors, TJ (Vick-Majors, Trista J.)3; Priscu, JC (Priscu, John C.)4; Yao, TD (Yao, Tandong)1, 2; Kang, SC (Kang, Shichang)2, 5, 6; Liu, KS (Liu, Keshao)1, 6; Cong, ZY (Cong, Ziyuang)1, 2; Xiong, JB (Xiong, Jingbo)6; Li, Y (Li, Yang)1
通讯作者: Liu, YQ
关键词: MASS-BALANCE ; MICROBIAL ACTIVITY ; CARBON FLUXES ; HOLES ; DIVERSITY ; SVALBARD ; SURFACES ; ALPINE ; ANTARCTICA ; ECOLOGY
刊名: FEMS MICROBIOLOGY ECOLOGY
发表日期: 2017
DOI: 10.1093/femsec/fix072
卷: 93, 期:6, 页:fix072
收录类别: SCI
合作性质: 国际
文章类型: Article
类目[WOS]: Microbiology ; Microbiology
研究领域[WOS]: Microbiology
英文摘要: Cryoconite holes, water-filled pockets containing biological and mineralogical deposits that form on glacier surfaces, play important roles in glacier mass balance, glacial geochemistry and carbon cycling. The presence of cryoconite material decreases surface albedo and accelerates glacier mass loss, a problem of particular importance in the rapidly melting Tibetan Plateau. No studies have addressed the microbial community composition of cryoconite holes and their associated ecosystem processes on Tibetan glaciers. To further enhance our understanding of these glacial ecosystems on the Tibetan Plateau and to examine their role in carbon cycling as the glaciers respond to climate change, we explored the bacterial communities within cryoconite holes associated with three climatically distinct Tibetan Plateau glaciers using Illumina sequencing of the V4 region of the 16S rRNA gene. Cryoconite bacterial communities were dominated by Cyanobacteria, Chloroflexi, Betaproteobacteria, Bacteroidetes and Actinobacteria. Cryoconite bacterial community composition varied according to their geographical locations, exhibiting significant differences among glaciers studied. Regional beta diversity was driven by the interaction between geographic distance and environmental variables; the latter contributed more than geographic distance to the variation in cryoconite microbial communities. Our study is the first to describe the regional-scale spatial variability and to identify the factors that drive regional variability of cryoconite bacterial communities on the Tibetan Plateau.
语种: 英语
WOS记录号: WOS:000410342200009
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/8196
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China.
2.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China.
3.Univ Quebec Montreal, Dept Sci Biol, Montreal, PQ H3C 3P8, Canada.
4.Montana State Univ, Dept Land Resources & Environm Sci, Bozeman, MT 59717 USA.
5.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryosphere Sci, Lanzhou 730000, Gansu, Peoples R China.
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China.

Recommended Citation:
Liu, YQ ,Vick-Majors, TJ ,Priscu, JC ,et al. Biogeography of cryoconite bacterial communities on glaciers of the Tibetan Plateau[J]. FEMS MICROBIOLOGY ECOLOGY,2017,93(6):fix072.
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