Authors
Katherine Duchesneau, Camille E Defrenne, Caitlin Petro, Avni Malhotra, Jessica AM Moore, Joanne Childs, Paul J Hanson, Colleen M Iversen, Joel E Kostka
Publication date
2024/5
Journal
New Phytologist
Volume
242
Issue
3
Pages
1333-1347
Description
  • Warming and elevated CO2 (eCO2) are expected to facilitate vascular plant encroachment in peatlands. The rhizosphere, where microbial activity is fueled by root turnover and exudates, plays a crucial role in biogeochemical cycling, and will likely at least partially dictate the response of the belowground carbon cycle to climate changes.
  • We leveraged the Spruce and Peatland Responses Under Changing Environments (SPRUCE) experiment, to explore the effects of a whole‐ecosystem warming gradient (+0°C to 9°C) and eCO2 on vascular plant fine roots and their associated microbes. We combined trait‐based approaches with the profiling of fungal and prokaryote communities in plant roots and rhizospheres, through amplicon sequencing.
  • Warming promoted self‐reliance for resource uptake in trees and shrubs, while saprophytic fungi and putative chemoorganoheterotrophic bacteria utilizing plant‐derived …
Scholar articles
K Duchesneau, CE Defrenne, C Petro, A Malhotra… - New Phytologist, 2024