Fig. 3
From: Managing sustainability risks of bioenergy in four Nordic countries
Harvest volume and total losses in percent of annual increment in Sweden, Finland, Norway and Denmark, 1918–2019. Total losses (drain, term used in Finland) = harvest volume + losses of living trees by storms, forest fires, age and other natural causes. Left: total losses (drain); right: harvested volume. Source: authors’ calculations based on data from [117,118,119,120]