Area  Ecosystem  lon_W  lon_E  lat_S  lat_N  num_pixels  min_gvf              max_gvf  mean_gvf std_gvf
          Global            global -180.0  180.0  -40.0   40.0  5875846   1.0 100.0                       29.0  26.6
 E-Sahara(LYBIA)            desert   23.0   24.0   28.0   29.0      841   1.0   3.0                        2.0   0.4
Great-Sandy(AUS)       semi-desert  125.0  126.0  -21.0  -20.0      841   4.0  13.0                        9.0   1.4
   Colorado(USA)            steppe -103.0 -102.0   36.0   37.0      841   1.0  40.0                       11.1   5.9
   Illinois(USA)             crops  -89.0  -88.0   39.0   40.0      841   1.0  22.0                        8.2   4.7
   Kentucky(USA) broad_leaf_forest  -85.0  -84.0   36.0   37.0      841  13.0  44.0                       25.3   4.4
     Oregon(USA) coniferous_forest -123.0 -122.0   43.0   44.0      841   1.0  55.0                       20.1   9.7
  Amazon(BRAZIL)   tropical_forest  -63.0  -62.0   -3.0   -2.0      812  18.0  97.0                       62.2  14.1