Bangladesh is situated within the tropical
belt. Its total area is q.nMha (34. 87 M
acres) of which 1.3 M ha ( 3.21 M acres), 9.3
percent of the total land area, are under
the management of Government Forest
Department. Besides, there is another 0.96 M
ha (2.37 M acres) of state owned denuded forest
land, the Unclassed State Forests (USF), which
is under the control of the district authorities
and is subjected to shifting cultivation
practised by the local tribes. As a result,
the entire area of the USF has become almost
completely denuded and sungrass (Imperata
cylindrical has invaded most of the areas.