globalchange  > 气候变化与战略
DOI: 10.1016/j.scib.2021.03.008
论文题名:
Key microorganisms mediate soil carbon-climate feedbacks in forest ecosystems
作者: Li J.; Zhu T.; Singh B.K.; Pendall E.; Li B.; Fang C.; Nie M.
刊名: Science Bulletin
ISSN: 20959273
出版年: 2021
语种: 英语
中文关键词: Climate warming ; Key microorganisms ; Microbial community ; Soil respiration ; Temperature sensitivity
英文摘要: Soil microorganisms are known to significantly contribute to climate change through soil carbon (C) cycle feedbacks. However, it is challenging to incorporate these feedbacks into predictions of future patterns of terrestrial C cycling, largely because of the vast diversity of soil microorganisms and their responses to environmental conditions. Here, we show that the composition of the bacterial community can provide information about the microbial community-level thermal response (MCTR), which drives ecosystem-scale soil C-climate feedbacks. The dominant taxa from 169 sites representing a gradient from tropical to boreal forest mainly belonged to the phyla Actinobacteria and Acidobacteria. Moreover, we show that the MCTR in warm biomes and acidic soils was linked primarily to bacteria, whereas the MCTR in cold biomes and alkaline soils was primarily associated with fungi. Our results provide strong empirical evidence of linkages between microbial composition and the MCTR across a wide range of forests, and suggest the importance of specific microorganisms in regulating soil C-climate feedbacks. © 2021 Science China Press
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/170306
Appears in Collections:气候变化与战略

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作者单位: National Observation and Research Station for Yangtze Estuarine Wetland Ecosystems, and Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, Institute of Biodiversity Science, School of Life Sciences, Fudan University, Shanghai, 200438, China; Hawkesbury Institute for the Environment, Western Sydney University, Penrith, NSW 2751, Australia; Global Centre for Land-Based Innovation, Western Sydney University, Penrith, NSW 2751, Australia

Recommended Citation:
Li J.,Zhu T.,Singh B.K.,et al. Key microorganisms mediate soil carbon-climate feedbacks in forest ecosystems[J]. Science Bulletin,2021-01-01
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