Figure 3From: Options for accounting carbon sequestration in German forestsIEEAF & WEHAM F based gross-net accounting (GNA) and net-net accounting (NNA) related to base year emissions of 1990 and moving base period emissions. Positive (black) numbers represent emissions to the atmosphere/debits; negative (red) numbers represent removals from the atmosphere (the sink function of forests)/credits.Back to article page