Citation:Jayasinghe, U.A.D., Amarasinghe, U.S. and de Silva, S.S. 2003. An approach to classify seasonal reservoirs of Sri Lanka using Carlson’s Trophic State Index. Proceedings of the 10th Annual Scientific sessions of the Sri Lanka Association for Fisheries and Aquatic Resources, Sri Lanka Association for Fisheries and Aquatic Resources, Colombo, Sri Lanka. (Abstract) p.06.