Citation:Silva, T.M.S.D.G., Dahanayaka, D.D.G.L. and Wijeyaratne, M.J.S. 2015. Assessment of invasion of Najas marina, Linnaeus 1753 in Madu Ganga estuary, Sri Lanka using ASTER data of Terra satellite. Proceedings of the 35th Annual Sessions of the Institute of Biology, 25th September 2015. pp 32.