生物
非生物成分
生态学
生态系统
森林生态学
植物
植物群落
扩增子测序
微生物种群生物学
作者
Steve Kutos,Elle M Barnes,Arnav Bhutada,J D Lewis
标识
DOI:10.1093/femsec/fiac056
摘要
Soil fungi are vital to forest ecosystem function, in part through their role mediating tree responses to environmental factors, as well as directly through effects on resource cycling. While the distribution of soil fungi can vary with abiotic factors, plant species identity is also known to affect community composition. However, the particular influence that a plant will have on its soil microbiota remains difficult to predict. Here, we paired amplicon sequencing and enzymatic assays to assess soil fungal composition and function under three tree species, Quercus rubra, Betula nigra, and Acer rubrum, planted individually and in all combinations in a greenhouse. We observed that fungal communities differed between each of the individual planted trees, suggesting at least some fungal taxa may associate preferentially with these tree species. Additionally, fungal community composition under mixed-tree plantings broadly differed from the individual planted trees, suggesting mixing of these distinct soil fungal communities. The data also suggest that there were larger enzymatic activities in the individual plantings as compared to all mixed-tree plantings which may be due to variations in fungal community composition. This study provides further evidence of the importance of tree identity on soil microbiota and functional changes to forest soils.
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