Area  Ecosystem  lon_W  lon_E  lat_S  lat_N  num_pixels  min_gvf              max_gvf  mean_gvf std_gvf
 E-Sahara(LYBIA)            desert   23.0   24.0   28.0   29.0    12544   2.0   6.0                        4.1   0.6
   Colorado(USA)            steppe -103.0 -102.0   36.0   37.0    12656   2.0 100.0                       16.3  12.7
   Illinois(USA)             crops  -89.0  -88.0   39.0   40.0    12539   1.0  57.0                        8.4   5.9
   Kentucky(USA) broad_leaf_forest  -85.0  -84.0   36.0   37.0    12643   1.0  58.0                       20.7   6.5
     Oregon(USA) coniferous_forest -123.0 -122.0   43.0   44.0    12616   1.0  85.0                       27.0  15.2