文献类型：期刊文献

英文题名：Patterns and drivers of fungal diversity along an altitudinal gradient on Mount Gongga, China

作者：Tian, Jianqing[1] Wu, Bing[1] Chen, Huai[2,3] Jiang, Na[1] Kang, Xiaoming[4] Liu, Xingzhong[1]

第一作者：Tian, Jianqing

通信作者：Liu, XZ[1]

机构：[1]Chinese Acad Sci, Inst Microbiol, State Key Lab Mycol, Beijing 100101, Peoples R China;[2]Chinese Acad Sci, Chengdu Inst Biol, Key Lab Mt Ecol Restorat & Bioresource Utilizat &, Key Lab Sichuan Prov, Chengdu 610041, Sichuan, Peoples R China;[3]Chinese Acad Sci, Chengdu Inst Biol, Zoige Peatland & Global Change Res Stn, Hongyuan 624400, Peoples R China;[4]Chinese Acad Forestry, Inst Wetland Res, Beijing 100091, Peoples R China

年份：2017

卷号：17

期号：12

起止页码：2856-2865

外文期刊名：JOURNAL OF SOILS AND SEDIMENTS

收录：;Scopus(收录号：2-s2.0-85017455750);WOS:【SCI-EXPANDED(收录号:WOS:000415656300014)】；

基金：This work was funded by The National Key Research and Development Program of China (No. 2016YFC0501802) and the National Natural Science Foundation of China (Nos. 41401276 and 41101238).

语种：英文

外文关键词：Biogeography; Distance-decay; Elevational gradients; Environmental selection

摘要：Fungi are essential components of soil microbial communities and have a crucial role in biogeochemical processes. Alpine regions are sensitive to climate change, and the importance of changes in fungal community composition along altitudinal gradients in alpine regions is hotly debated. We used 454 pyrosequencing approaches to investigate the fungal communities at 1600, 2300, 2800, 3000, and 3900 m above sea level along an altitudinal gradient on Mount Gongga. The results showed that Agaricomycetes, Sordariomycetes, and Tremellomycetes are the dominant classes at all sampling sites. Operational taxonomic unit richness decreased with increasing altitude, and the fungal communities were clustered into three groups that corresponded to altitudes of, i.e., 1600, 2300, and above 2800 m. The evenness of fungi was not significantly correlated with altitude, whereas beta diversities were significantly correlated with altitude. The distance-based redundancy analysis and Mantel test indicated that the composition of fungal assemblages was mostly driven by altitude and temperature. Our results indicated that ecological processes possibly related to altitude and temperature play an important role in structuring fungal biodiversity along the elevational gradient. Our results highlight that different microbes may respond differently to environmental gradients.