The Land use classification of Manas National Park is :

Land use class 1977 (Area in sq. km.) 2006 (Area in sq. km.)
Woodland                  253.10 233.21
Dry grassland 120.86 161.97
Swampy grassland  94.38   44.37
Water body    8.88     4.99
River sand  23.74    35.97
Others      20.47