Data Zone
Country/territory: China (mainland)
IBA criteria met: A1, A4i, A4iii (2009)
For more information about IBA criteria, please click here
Area: 29,333 hectares (293.33 km2)
Site description (2009 baseline)
Located in the eastern part of Houtao Plain. Ulansuhai is the second largest lake in Inner Mongolia, extending 35-40 km from north to south and 5-10 km from east to west, with more than 290 km2 of open water. Emergent reeds and bulrushes cover 50% of the lake area, and these water plants separate the lake surface into several different sections. Ulansuhai supports one of the most important fisheries in Inner Mongolia.
Key biodiversity
Non-bird biodiversity: No information.
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Ulansuhai Nur Nature Reserve (China (mainland)). Downloaded from
https://datazone.birdlife.org/site/factsheet/ulansuhai-nur-nature-reserve-iba-china-(mainland) on 24/12/2024.