25 January 1985
Vol 227, Issue 4685

About The Cover

Integrated spectral vegetation index for Africa from April 1982 to April 1983 representing the integrated green leaf biomass or density for the period. The tan, brown, and tan-orange colors represent small amounts of cumulative green leaf activity, the gold colors represent modest amounts, the greens higher amounts, and the reds and purple the highest amounts. See page 369. [NASA/Goddard Space Flight Center, Greenbelt, Maryland 20771]