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. 2013 Sep 5;368(1625):20120406. doi: 10.1098/rstb.2012.0406

Table 2.

Area of sub-Saharan Africa (excluding West Africa) showing significant changes in NDVI.

class area (km2) % area
no woody vegetation present (2000) 6 819 968
woody vegetation present (2000) 10 086 656
 closed evergreen forest (2000) 1 345 088
 no significant change (1982–2006) 8 084 160 92.48
 significant positive NDVI slope (1982–2006) 349 440 4.00
 significant negative NDVI slope (1982–2006) 307 968 3.52