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Fungal-bacterial diversity and microbiome complexity predict ecosystem functioning
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DOI：10.1038/s41467-019-12798-y.png)
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摘要
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The soil microbiome is highly diverse and comprises up to one quarter of Earth's diversity. Yet, how such a diverse and functionally complex microbiome influences ecosystem functioning remains unclear. Here we manipulated the soil microbiome in experimental grassland ecosystems and observed that microbiome diversity and microbial network complexity positively influenced multiple ecosystem functions related to nutrient cycling (e.g. multifunctionality). Grassland microcosms with poorly developed microbial networks and reduced microbial richness had the lowest multifunctionality due to fewer taxa present that support the same function (redundancy) and lower diversity of taxa that support different functions (reduced functional uniqueness). Moreover, different microbial taxa explained different ecosystem functions pointing to the significance of functional diversity in microbial communities. These findings indicate the importance of microbial interactions within and among fungal and bacterial communities for enhancing ecosystem performance and demonstrate that the extinction of complex ecological associations belowground can impair ecosystem functioning.
Keyword:
COMMUNITY COMPOSITION
SPECIES RICHNESS
PLANT DIVERSITY
GLOBAL PATTERNS
SOIL
BIODIVERSITY
MULTIFUNCTIONALITY
PRODUCTIVITY
REDUNDANCY
GRASSLAND
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期刊
IF:
15.7
论文数:
9.4W
被引数:
91.2W
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分享收藏分享收藏Microbial diversity drives multifunctionality in terrestrial ecosystems微生物多样性驱动陆地生态系统的多功能性.png)
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