Catalogue of Sumatran Big Lakes is a compilation of data and information of eight large lakes in Sumatra Island, namely Lake Laut Tawar, Lake Toba, Lake Maninjau, Lake Singkarak, Lake Diatas, Lake Dibawah, Lake Ranau, and Lake Kerinci. The information of the lakes is presented briefly and covers various aspects, such as its water quality, geographical position, physical dimension, and biologica…