Net Present Value (NPV) of land management options in forest (panel a) and cropland (panels b and c), with subsidies (panel b) and without subsidies (panel c) with changing price for carbon (both sequestration and substitution). Forestry options refer to flat slope. Error bars in a) show the variation between high and low site productivity, symbols medium productivity.
Böttcher et al. Carbon Balance and Management 2012 7:5 doi:10.1186/1750-0680-7-5