Douglas Sheil1,2, Gert-Jan Nabuurs3, Anatoly Shvidenko4,5. 1. Wageningen University and Research, Wageningen, Netherlands. douglas.sheil@wur.nl. 2. Center for International Forestry Research, Bogor, Indonesia. 3. Wageningen University and Research, Wageningen, Netherlands. 4. International Institute for Applied System Analysis, Laxenburg, Austria. 5. Institute of Forests, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russia.