**2.6 Bark tans**

The bark of various tree species is chipped off during the operation of timber or fuel-wood harvesting, some of the important species which yield bark tans are: *Acacia mearnsii, Acacia nilotica, Cassia auriculata, Shorea robusta, Terminalia arjuna, Cassia fistula, Ceriops roxburghiana, Rhizophora mucronata,* etc. Some other trees such as *Acacia leucophloea, Bridelia retusa, Lagerstroemia* spp., *Tamarix aphylla, Terminalia alata, Quercus* spp. and *Castanopsis* spp. also yield bark tans and are locally important.
