Soil respiration response to decade-long warming modulated by soil moisture

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Long-term warming has significant effects on soil respiration in boreal forests, but its impact is strongly influenced by soil moisture. A decade-long warming experiment revealed that increased temperatures generally enhance soil respiration rates by stimulating microbial activity and root respiration. However, this response varies depending on soil moisture availability. Under adequate moisture conditions, warming accelerates carbon cycling, potentially leading to increased CO₂ emissions. Conversely, in drier conditions, limited water availability constrains microbial processes, thereby reducing respiration rates. These findings highlight the complex interactions between climate warming and soil moisture in regulating carbon fluxes in boreal ecosystems.

#SoilRespiration #ClimateChange #BorealForest #SoilMoisture #CarbonCycle #EcosystemResponse #GlobalWarming #MicrobialActivity #ForestEcology





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