Fig. 1: Supervised classification of part of Landsat scene 186/055 of October 1979 covering the southern Kongor 
District, Sudan. Sequence of colours from upper right angle of image to lower left side. 
Colour 
Mapping unit name 
Vegetation 
(Vegetation types are 
described in Yath 1974) 
Use 
(Wildlife is not included 
here, but might be found in 
Yath 1974) 
Yellow 
Hinterland depression, rain- 
flooded 
Hyparrhenia tall grasslands 
Late wet season livestock 
grazing 
Light blue 
Settlements, fields and wet 
season grazing lands 
Sporobolus short grasslands 
Sorghum cultivation, wet 
season livestock grazing 
Black 
Same as light blue but bare 
Bare 
Sorghum cultivation, wet 
season livestock qrazing 
Dark green 
High toich; riverflooded land 
for less than half a year 
Oryza grasslands 
Early dry season livestock 
grazing 
Light green 
Termitaria toich; riverflooded 
land for half a year 
Echinochloa grasslands 
Mid dry season livestock 
grazing 
Magenta 
Low toich; riverflooded land for 
more than a half year 
Oryza/Echinochloa grasslands 
Late dry season livestock 
grazing 
Bluish green 
Marshy toich 
Typha/Leersia, reedlands/ 
grasslands 
Some dry season cattle 
grazing 
Red 
Swamp 
Papyrus reeds 
— 
Dark blue 
Water; lakes and rivers 
— 
— 
Approximate scale 
1:600 000