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Les sols forestiers, puits de méthane : un service écosystémique méconnu

Abstract : Methane ranks second after carbon as a greenhouse gas whose concentration in the atmosphere is increasing as a result of human activity. Biological oxidization of methane due to methanotrophic bacteria that are present in soils contributes to slowing down the exponential growth in atmospheric methane concentration. Forest soils are a significant methane sink on the scale of the biosphere, and forest management can affect methane flux from soil to atmosphere. Increasing the minimal age for felling and reducing heavy vehicle movements that cause compacting would increase the methane sink of forest stand soils since this sink increases with tree age but diminishes with compaction.
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Daniel Epron, Caroline Plain, Thomas Lerch, Jacques Ranger. Les sols forestiers, puits de méthane : un service écosystémique méconnu. Revue forestière française, AgroParisTech, 2016, 68 (4), pp.313-322. ⟨10.4267/2042/62129⟩. ⟨hal-02944319⟩



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