System configurations at the 50 × 50 km2 region scale. Refer to Figure 2 for the underlying supply and demand distributions. The relative scale of harvesting is represented by the disk radius. The relative scale of process operations is represented by disk area. This scheme was selected to enhance visual clarity.
Dunnett et al. Biotechnology for Biofuels 2008 1:13 doi:10.1186/1754-6834-1-13