Clear-cutting and rotation forest management may pose a risk to soil carbon reservoirs

University of Helsinki
November 17, 2025
Category: Forestry
Region: International

…the effects of forest management on soil carbon in the northern boreal zone are yet to be fully understood. In Finland, forests are usually managed in rotation. This means clear-cutting at the end of a rotation period that varies by tree species and growth zone. Interest in continuous-cover cultivation has increased in recent years, where forests are harvested and regenerated without clear-cutting. Continuous-cover forestry and rotation forest management have different effects on the accumulation and storage of carbon in the soil. Clear-cutting reduced the amount of labile soil organic carbon, which decomposes easily. Continuous-cover management contained more of this carbon type, and the amount was closer to the level of uncut forests. However, the management effects on the carbon stability observed in the relatively short term were less pronounced than expected, and there was no difference in the total soil carbon quantity between the management alternatives.

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