Hint: Sal forest is a type of forest dominated by single plant species. Sal forests are mainly distributed in the south and southeast-Asia. The forest in the eastern district of central India and on the west Bengal hill Shorea robusta are the example of Sal forest. The distribution of sal forest is controlled by the condition of topography geology and soil.
- Sal forest belongs to the category of temperate deciduous forest.
- Sal forest has the widest distribution amongst all dipterocarps extending over an area of 13 million hectares in India and one million hectares in Bangladesh and Nepal. Sal forests have fairly wide but interrupted distribution in dries central and northern part of the mainland. Mostly occurring in Ghazipur and Jamalpur.
- Sal forest is rich with phytodiversity. About 500 undergrowth species have been reported with Sal trees such as a forest that is threatened by animals like hoolock and gibbon. Fruits of sal trees are used in the treatment of epilepsy and chlorosis. The fat of sal forest is greenish-brown the refined oil is used as a substitute for cocoa butter.
- From the social point of view, sal forest is one of the main forested areas in Bangladesh most of the tribal people has been dwelling and dependent for sal forest for livelihood
> Sal trees are moderate to slow-growing and can attend a height of 32 to 35m and a trunk diameter up to 2 -2.5 m. The leaves are 10 to 25 meters long and 5 to 15 cm broad. Sal trees are evergreen drier areas its leaves are shielding February to April.
> The main species of sal forest is Shorea robusta. It is a timber yielding plant it is very strong and fire protecting the annual growing stop in Bangladesh is about 1.13 meters. The timber of sal is used in construction purposes like electrical and telephone poles and house building. Sal Damer or Dhoom is the stem of sal trees; it is a source of gum. This gum is used for carbon paper, typewriter ribbon, and it is used in medicines also as an ointment for skin diseases. The oil which is extracted from sal trees is given for diarrhoeal disease.
Sal is the single most important tree species in the sal forest. Tribal people use the leaves for repairing rose cake and for smoke and it is also used for making small baskets plates etc. In English terminology sal trees are known as sakura or shala trees and are found in the lower delta of hilly region and inner terrain. The meaning of the sal is a savior rescuer. Teak neem and Sheesham come under the category of sal trees and they are the example of deciduous forest.