Impact of fire on chemical properties and respiration of boreal forest soils

Boreal forest fires significantly alter soil chemical properties and respiration, with laboratory burns revealing that exposure to high temperatures (60 kW m^-2) reduces soil pH, total carbon, and nitrogen content. These changes subsequently impact soil respiration, as demonstrated by 70-day incubations using two-pool exponential decay models. The study, conducted in Wood Buffalo National Park, Canada, successfully replicated natural wildfire conditions, providing critical insights into post-fire carbon cycling dynamics. By analyzing both organic-rich and sandy soils from 12 sites, researchers quantified the effects of burning on soil properties and respiration, offering a nuanced understanding of fire's role in boreal forest ecosystems.

Johnson, D., Kruger, K., Berry, T., Yedinak, K., Sulman, B., & Whitman, T. (2024). Impact of fire on chemical properties and respiration of boreal forest soils [Dataset]. Environmental System Science Data Infrastructure for a Virtual Ecosystem; Modelling Microbes to Predict Post-fire Carbon Cycling in the Boreal Forest across Burn Severities. https://doi.org/10.15485/2438579