Global primary production F.I. Woodward  Current Biology  Volume 17, Issue 8, Pages R269-R273 (April 2007) DOI: 10.1016/j.cub.2007.01.054 Copyright © 2007 Elsevier Ltd Terms and Conditions

Figure 1 Net primary production based on reflectance measurements from the MODIS satellite with growth models to provide a full global coverage for 2002. Image from NASA Observatory with colour scale inverted from the original. Current Biology 2007 17, R269-R273DOI: (10.1016/j.cub.2007.01.054) Copyright © 2007 Elsevier Ltd Terms and Conditions

Figure 2 The average carbon cascade from gross primary production (GPP), to net primary production (NPP), to net ecosystem production (NEP) to net biome production (NBP), for land and ocean, and in comparison with emissions due to human activities. Current Biology 2007 17, R269-R273DOI: (10.1016/j.cub.2007.01.054) Copyright © 2007 Elsevier Ltd Terms and Conditions