Unprecedented biomass loss in Europe's forests since 2018
Using satellite data, researchers at TUM have identified an unprecedented loss of aboveground biomass in Europe's forests since 2018. Unlike previous studies that focused solely on changes in tree cover, this study provides the first Europe–wide assessment of changes in forest biomass.
Researchers at TUM have found a sharp increase in biomass loss in Europe's forests since 2018, using satellite data to analyze changes in tree cover and the amount of biomass stored in these areas. This unprecedented loss is primarily attributed to climate change-related events, such as increased bark beetle outbreaks caused by more frequent and severe droughts.
In comparison to the period from 1985 to 2017, Europe has lost 46% more biomass per year per hectare of forest area since 2018. While timber harvesting and natural disturbances contribute to biomass losses, the researchers emphasize that the sharp increase since 2018 is mainly due to climate change impacts. Droughts weaken trees, making them more susceptible to bark beetles that thrive in increasingly favorable conditions.
This study, published in Nature Geoscience, highlights the urgent need for adapted forest management practices to restore carbon sink capacity and help Europe's forests become more resilient to future climate challenges.
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