
Duotian Farming System in Xinghua
A traditional wetland farming system in Xinghua, China, based on elevated plots surrounded by canals that regulate water, facilitate irrigation, and enable cultivation in flood-prone areas. It integrates agriculture and aquaculture, promoting efficient water use, biodiversity, and resilience. It is recognized by FAO as a GIAHS.
Country:

It is a traditional wetland farming system developed in Xinghua, Jiangsu Province, China, based on elevated plots surrounded by a network of canals. This design enables cultivation in flood-prone areas by naturally regulating water levels and facilitating drainage and irrigation. It also integrates agriculture and aquaculture, promoting efficient water use, biodiversity conservation, and resilience. Due to its sustainability and cultural value, it is recognized by FAO as a Globally Important Agricultural Heritage System (GIAHS).
Water Use efficiency
Main theme:
Asian
Region:
1000 - 1100
Precipitation (mm):
Medium
Application difficulty:
2, 6, 11, 13 and 15
SDGs impacted:
Gravity
Energy used:
70 - 90
Efficiency (%):
Rural
Sector:
The Duotian system contributes to wetland and biodiversity conservation by maintaining a network of canals and aquatic habitats. It promotes efficient water use, reduces flood risk and soil erosion, improves water quality through natural filtration processes, and enhances ecological connectivity. It also increases resilience to climate change and preserves a traditional agricultural landscape of high ecological and cultural value.
Expected environmental impact:
$8000 - $12000 / ha
Estimated value: