Waduwawala, W.M.A.; Jayawardana, J.M.C.K.; Udayakumara, E.P.N.
(Sabaragamuwa University of Sri Lanka, 2023-05-31)
Walawe River Basin, the fourth-largest in Sri Lanka, has emerged as a focal point for the
management of water quality because of its size and population density. The catchment
is highly agricultural and the land use ...