- Project: Dike-fish ponds system of Sangyuanwei area
- Climate: Humid subtropical climate with dry winter
- Year: 2nd in ancient China, 14th in Sangyuanwe
- Water type: Ditch water
- Landscape: Dike-fish ponds
- Altitude: 30m
- Soil condition: Paddy soil
- Material: Wooden
- Temporality: Fixed
- Form: Line dragon bone
- Use or Function: Water distribution, flooding control