The purposes of which are to promote the interests of limnology, oceanography and related sciences, to foster the exchange of information across the range of aquatic science, and to further investigations dealing with these subjects. ASLO originated with the Limnological Society of America (LSA), which was established in 1936 to furhter interest and research in limnological science. In 1948 LSA merged with the Oceanographic Society of the Pacific to become ASLO, and currently has over 3800 memebers from 50 countries.