This study investigates how water influences substrate-microbe connectivity and soil carbon cycling under drought and flood conditions. Soils from Alaska, Florida, and Washington were incubated under drought and flood treatments. Drought had a stronger impact on soil respiration, pore-water carbon, and microbial community composition than flooding. Soil responses varied across sites, influenced by soil texture, porosity, and microbial community adaptation to historical conditions. Soil texture and porosity affected microbial substrate access, while microbial communities exhibited site-specific responses to moisture extremes.
Publisher
Communications Earth & Environment
Published On
Jun 15, 2021
Authors
Kaizad F. Patel, Sarah J. Fansler, Tayte P. Campbell, Ben Bond-Lamberty, A. Peyton Smith, Taniya RoyChowdhury, Lee Ann McCue, Tamas Varga, Vanessa L. Bailey
Tags
water
substrate-microbe connectivity
soil carbon cycling
drought
flood
microbial community
soil texture
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