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HOME > J. Microbiol > Volume 51(4); 2013 > Article
Research Support, Non-U.S. Gov't
Bacterial Diversity in the Mountains of South-West China: Climate Dominates Over Soil Parameters
Dharmesh Singh 1, Lingling Shi 2, Jonathan M. Adams 1
Journal of Microbiology 2013;51(4):439-447.
DOI: https://doi.org/10.1007/s12275-013-2446-9
Published online: August 30, 2013
1Department of Biological Sciences, College of Natural Sciences, Seoul National University, Seoul 151-742, Republic of Korea, 2Soil Ecology Group, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, 88 Xuefu Road, Kunming 650223, P. R. China
Corresponding author:  Jonathan M. Adams , Tel: +82-2-880-4339, 
Received: 21 August 2012   • Accepted: 20 March 2013
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Abstract

Certain patterns in soil bacterial diversity and community composition have become evident from metagenomics studies on a range of scales, from various parts of the world. For example, soil pH has generally been seen as dominating variation in bacterial diversity, above all other soil and climate parameters. It is important however to test the generality of these relationships by studying previously unsampled areas. We compared soil bacterial diversity and community composition under a wide range of climatic and edaphic conditions in mountainous Yunnan Province, SW China. Soil samples were taken from a range of primary forest types and altitudes, reflecting the great variation of forest environments in this region. From each soil sample, DNA was extracted and pyrosequenced for bacterial 16S rRNA gene identification. In contrast to other recent studies from other parts of the world, pH was a weaker predictor of bacterial community composition and diversity than exchangeable Ca2+ concentration, and also the more poorly defined >environmental parameter of elevation. Samples from within each forest type clustered strongly, showing the distinctive pattern of their microbial communities on a regional scale. It is clear that on a regional scale in a very heterogeneous environment, additional factors beyond pH can emerge as more important in determining bacterial diversity.

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    Bacterial Diversity in the Mountains of South-West China: Climate Dominates Over Soil Parameters
    J. Microbiol. 2013;51(4):439-447.   Published online August 30, 2013
    DOI: https://doi.org/10.1007/s12275-013-2446-9
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