Jian Xiang , Jie Gu , Genmei Wang , Roland Bol , Lan Yao , Yanming Fang , Huanchao Zhang
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引用次数: 0
Abstract
Acquiring knowledge of the patterns of soil microbial diversity along elevational gradients and the driving factors of these patterns is important for understanding the dynamics of global nutrient elements. In this study, we analyzed the soil bacterial community composition and diversity using Illumina high-throughput sequencing along an elevational gradient from 670 to 1780 m on Huangshan including 6 vegetation types from base to summit. We found that the dominant phyla were Proteobacteria, Acidobacteria, Actinobacteria and Chloroflexi, accounting for more than 75 % of the sequences. We observed significant variation in soil bacterial community composition across different elevations (ANOSIM P = 0.001). In addition, the soil bacterial diversity increased with increasing elevation from 875 m to 1165 m and decreased with increasing elevation from 1280 m to 1370 m, showing a humpbacked relationship with elevations. Soil pH had the strongest effect on bacterial community composition. In conclusion, soil properties, especially soil pH was the primary factor controlling the elevational distribution of soil bacterial communities on Huangshan.
期刊介绍:
The European Journal of Soil Biology covers all aspects of soil biology which deal with microbial and faunal ecology and activity in soils, as well as natural ecosystems or biomes connected to ecological interests: biodiversity, biological conservation, adaptation, impact of global changes on soil biodiversity and ecosystem functioning and effects and fate of pollutants as influenced by soil organisms. Different levels in ecosystem structure are taken into account: individuals, populations, communities and ecosystems themselves. At each level, different disciplinary approaches are welcomed: molecular biology, genetics, ecophysiology, ecology, biogeography and landscape ecology.