DECRYPTION – Reasonable management of the massifs is essential to limit greenhouse gas emissions.
A logged forest, when it regrows, is generally considered a carbon sink, with young trees more actively absorbing carbon dioxide (CO2) which they use for their growth. A study led by researchers at Imperial College London, however, has just reshuffled the cards: it concludes, with concrete observations in support, that the quantity of carbon released by an overexploited tropical forest remains for several years greater than that absorbed.
This research, which is the subject of a publication in the Pnas (Proceedings of the National Academy of Sciences)were carried out on the island of Borneo, in Malaysia, whose intensively exploited forests are generally considered to be a net carbon sink, since they experience “rapid rates of tree regrowth”, explain the authors. Their observations were made in particular thanks to a tower equipped with sensors at different levels, as there are several…
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