About
Site Map
New
Library
Events
Links


CCSP logo & link to home

USGCRP logo & link to home

Updated 9 December 2005
Images from Our Changing Planet FY 2006

Previous Home Next

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29

ocp06-fig20

Figure 20: Human Appropriation of Net Primary Production on Land. Average annual terrestrial NPP (i.e., 'supply') based on 17 years of AVHRR satellite data (top); global distribution of human-appropriated NPP (HANPP, i.e., 'demand') for all food and fiber products (middle); and NPP-carbon balance (HANPP as a percent of NPP, calculated for each grid cell) (bottom). Highly populated areas (yellow and red)   consume up to 300 times their local production. Credit: M. Imhoff, NASA/Goddard Space Flight Center.

US CCSP  logo & link to home USGCRP logo & link to home
US Climate Change Science Program / US Global Change Research Program, Suite 250, 1717 Pennsylvania Ave, NW, Washington, DC 20006. Tel: +1 202 223 6262. Fax: +1 202 223 3065. Email: information@usgcrp.gov. Web: www.usgcrp.gov. Webmaster: WebMaster@usgcrp.gov