National Research Council (NRC) for the publication, Venkatachalam A.J., ARG Price, Chandrasekara W. S., Sellamuttu S.S., Kaler J., (2010). Changes in frigate tuna populations on the south coast of Sri Lanka: evidence of the shifting baseline syndrome from analysis of fisher observations. AQUATIC CONSERVATION: Marine and Freshwater Ecosystems, 20 (2), P. 167-176.