Seasonal and ecohydrological regulation of active microbial populations involved in DOC, CO₂, and CH₄ fluxes in temperate rainforest soil.

ABSTRACT: The Pacific coastal temperate rainforest (PCTR) is a global hot-spot for carbon cycling and export. Yet the influence of microorganisms on carbon cycling processes in PCTR soil is poorly characterized. We developed and tested a conceptual model of seasonal microbial carbon cycling in PCTR soil through integration of geochemistry, micro-meteorology, and eukaryotic and prokaryotic ribosomal amplicon (rRNA) sequencing from 216 soil DNA and RNA libraries. Soil moisture and pH increased during the wet season, with significant correlation to net CO₂ flux in peat bog and net CH₄ flux in bog forest soil. Fungal succession in these sites was characterized by the apparent turnover of Archaeorhizomycetes phylotypes accounting for 41% of ITS libraries. Anaerobic prokaryotes, incl

SUBMITTER: Levy-Booth DJ 

PROVIDER: S-EPMC6461783 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature