For the consideration of safety and higher efficiency of the data in National Key Observation Station-Long-term Huitong Forest Ecosystem Research Station, an ecological database management system (Eco-DBMS) was established with an overview and analysis of the basic data collected during the past 25 years. Based on the fundamental target and global object, four subset databases were developed: they are subset of standard sampling plots, hydrology, microclimate, and nutrient. The system design includes the following five steps: feasibility an...