To play an active role in environmental conservation and to make a positive contribute in this field both in Japan and Asia, Shiga Prefectural Government established the Biwako Prize for Ecology. The prize has been awarded annually since 1991 to researchers who have made academically and socially significant achievements in ecological studies in fields related to aquatic environments and who are expected to further develop and advance their research.
The Ecological Society of Japan has organized Biwako Prize for Ecology since the 15th Prize in 2007.