Distinct roles of bacteria and fungi in driving rhizosphere and bulk soil multifunctionality of Abies georgei in an alpine forest

  • 0Mountain Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China.

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Summary

This summary is machine-generated.

The soil rhizosphere shows higher soil multifunctionality (SMF) than bulk soil, driven by compartment-specific microbial diversity and biomass. Understanding these microbial mechanisms is key for soil health.

Area Of Science

  • Soil Science
  • Microbiology
  • Ecology

Background

  • Root activity creates a microbial hotspot in the rhizosphere, influencing soil multifunctionality (SMF).
  • Empirical studies on rhizosphere SMF and its microbial regulation are limited.

Purpose Of The Study

  • Compare SMF characteristics in rhizosphere and bulk soil of Abies georgei.
  • Explore microbial mechanisms driving SMF in alpine forest soil.

Main Methods

  • Field sampling in an alpine forest on the Tibetan Plateau.
  • Examined soil abiotic/biotic properties, enzyme activities, and microbial attributes.
  • Utilized structural equation modeling to analyze relationships.

Main Results

  • Rhizosphere consistently showed higher SMF than bulk soil.
  • Bacterial diversity linked to SMF in rhizosphere; fungal diversity linked to SMF in bulk soil.
  • Microbial biomass (especially fungal) significantly influenced SMF.

Conclusions

  • Microbial contributions to SMF are compartment-dependent.
  • Rhizosphere perspective is crucial for biodiversity-multifunctionality frameworks.
  • Integrate rhizosphere insights for better soil function predictions.

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