The Blacklocust (Robinia pseudoacacia L. )forest on gully slope need regenerationimprovement when they get mature. Two regeneration methods: germination and mix-affore-tation with other species in strips may be adopted. The water trends and its spatial variation aswell as the waer consumption characteristics of regenerated forestland have been analysed. Theresults show that the regeneration of black locust forest would encourage the water supplyfrom deep soil zone below 200 cm to roots soil zone and lead to...