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Response of the soil bacterial community to reciprocal soil translocation along an elevation and temperature landscape gradient
Peng, Sili1; Ge, Zhiwei1; Liu, Gangcai2; Yan, Bangguo3; Fang, Haidong3; Jin, Jie3; Shi, Liangtao3
Volume147Pages:UNSP 103357
Contribution Rank2
AbstractSoil microbial communities play a central role in soil biogeochemical processes, yet few studies have addressed their response to climate change in semi-arid savannah ecosystems. In this research, we reciprocally translocated soils along an elevational gradient south subtropical zone (SS) and mid-temperature zone (MT) in a dry-hot valley of Southwest China to simulate temperature and moisture changes under climate-change scenarios. Our objective was to gain a mechanistic understanding of the responses of bacterial communities and soil respiration accompanying climate change. Over a 13-month experiment, soil samples were collected in three main seasons (winter, spring and summer), and the bacterial community diversity, composition and soil basal respiration were determined. The results showed that soil origin and sampling season greatly affected soil bacterial Shannon index, bacterial community structure and soil basal respiration in this region (P < 0.05). The bacterial community compositions in the translocated soils became more similar to the soil bacterial communities in their new environments. Soil temperature and moisture were significantly correlated with the bacterial community structure (P < 0.01), and they could explain 30.86% and 35.85% of the total variances of bacterial community compositions for SS and MT soils, respectively. Relative abundances of dominant bacterial groups were significantly (P < 0.05) correlated with soil temperature - warming increased the relative abundances of Proteobacteria and Bacteroidetes, whereas cooling had the opposite effect. This research provides useful information as to how climate warming and cooling may alter soil bacterial communities in semi-arid savannah ecosystems.
KeywordBacteria Climate change Dry-hot valley Soil transfer Basal respiration
Indexed BySCI
WOS Research AreaAgriculture
WOS SubjectSoil Science
WOS IDWOS:000505575100003
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Document Type期刊论文
Corresponding AuthorLiu, Gangcai
Affiliation1.Nanjing Forestry Univ, Coll Biol & Environm, Coinnovat Ctr Sustainable Forestry Southern China, Nanjing 210037, Jiangsu, Peoples R China;
2.Chinese Acad Sci, Chinese Acad Sci & Minist Water Resources, Inst Mt Hazards & Environm, Key Lab Mt Surface Proc & Ecol Regulat, 9,Block 4,Renminnanlu Rd,POB 417, Chengdu 610041, Sichuan, Peoples R China;
3.Yunnan Acad Agr Sci, Res Inst Trop Ecoagr Sci, Yuanmou 651300, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Peng, Sili,Ge, Zhiwei,Liu, Gangcai,et al. Response of the soil bacterial community to reciprocal soil translocation along an elevation and temperature landscape gradient[J]. APPLIED SOIL ECOLOGY,2020,147:UNSP 103357.
APA Peng, Sili.,Ge, Zhiwei.,Liu, Gangcai.,Yan, Bangguo.,Fang, Haidong.,...&Shi, Liangtao.(2020).Response of the soil bacterial community to reciprocal soil translocation along an elevation and temperature landscape gradient.APPLIED SOIL ECOLOGY,147,UNSP 103357.
MLA Peng, Sili,et al."Response of the soil bacterial community to reciprocal soil translocation along an elevation and temperature landscape gradient".APPLIED SOIL ECOLOGY 147(2020):UNSP 103357.
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