Succession of Bacteria and Archaea Within the Soil Micro-Food Web Shifts Soil Respiration Dynamics.

ABSTRACT: Bacterivorous nematodes are important grazers in the soil micro-food web. Their trophic regulation shapes the composition and ecosystem services of the soil microbiome, but the underlying population dynamics of bacteria and archaea are poorly understood. We followed soil respiration and 221 dominant bacterial and archaeal 16S rRNA gene amplicon sequencing variants (ASVs) in response to top-down control by a common bacterivorous soil nematode, Acrobeloides buetschlii, bottom-up control by maize litter amendment and their combination over 32 days. Maize litter amendment significantly increased soil respiration, while A. buetschlii addition caused an earlier peak in soil respiration. Underlying bacterial and archaeal population dynamics separated into five major response types, differentiatin

SUBMITTER: Tamang M 

PROVIDER: S-EPMC11582019 | biostudies-literature | 2024 Nov

REPOSITORIES: biostudies-literature