Nanjing Institute of geography and Limnology, CAs established the Taihu Lake ecosystem research station referred to as "Lake station", opened in 1991, long Lake hydrological, meteorological, biological, ecological and environmental factors such as water quality, bottom sediment. Lake station in 1990, with 9 consecutive sampling point sampling. In order to better use the data, using the international standard data processing methods and quality control system, finishing and quality control of observation of water quality data, and has published, shared, and available for download, and lakes provide a basis for scientific research data.