Earth Sciences

Soil texture and environmental conditions influence the biogeochemical responses of soils to drought and flooding

K. F. Patel, S. J. Fansler, et al.

This fascinating study explores the critical role of water in shaping substrate-microbe interactions and soil carbon dynamics amid drought and flood scenarios. Conducted by esteemed researchers including Kaizad F. Patel and Sarah J. Fansler, it reveals that drought significantly impacts soil respiration and microbial community composition, highlighting the complex responses across different soil types.

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Abstract

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

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