期刊
MICROORGANISMS
卷 10, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/microorganisms10030540
关键词
soil microbiome; soil depth; carbon cycling; soil chemistry
类别
资金
- U.S. Department of Energy, Office of Science, through the Genomic Science Program, Office of Biological and Environmental Research [FWP 70880]
- DOE [DE-AC05-76RLO 1830]
Microbial communities in soil exhibit variability with depth, impacting soil health and carbon cycling. However, they are often neglected in research studies.
Microbial communities play important roles in soil health, contributing to processes such as the turnover of organic matter and nutrient cycling. As soil edaphic properties such as chemical composition and physical structure change from surface layers to deeper ones, the soil microbiome similarly exhibits substantial variability with depth, with respect to both community composition and functional profiles. However, soil microbiome studies often neglect deeper soils, instead focusing on the top layer of soil. Here, we provide a synthesis on how the soil and its resident microbiome change with depth. We touch upon soil physicochemical properties, microbial diversity, composition, and functional profiles, with a special emphasis on carbon cycling. In doing so, we seek to highlight the importance of incorporating analyses of deeper soils in soil studies.
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