Citation:Nissanka, Chandana, Amarasinghe, Upali S. and De Silva, Sena S. 1998. Extent of the catchment of reservoirs of Sri Lanka: an important aspect in the management of their capture fisheries. Proceedings of the Fifth Asian Fisheries Forum, International Conference on Fisheries and Food Security beyond the Year 2000, 11-14 November 1998. Lotus Hotel Pang Suan Kaew, Chiang Mai, Thailand.