The ageing of the forest also increases the risk of infestation by insects and other parasites. Insect attacks have affected 8 800 m3 of beech stands in Oesling and 3 750 m3 in Gutland, adding to the damage caused by overabundant populations of game, whose browsing has affected 5% of mature trees and 66% of replanting. The national forest inventory, conducted in 2000, found that the equivalent of only 14% of the country’s annual C02 emissions (1 250 0001.