The site was identified as important in 2009 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.Populations meeting IBA criteria ('trigger species'):
|Species||Current IUCN Red List Category||Season||Year(s)||Population estimate at site||IBA criteria met|
|Swan Goose Anser cygnoid||VU||breeding||2003||present||A1|
|Lesser White-fronted Goose Anser erythropus||VU||passage||2003||present||A1|
|Scaly-sided Merganser Mergus squamatus||EN||breeding||2003||present||A1, A3|
|Blakiston's Eagle-owl Bubo blakistoni||EN||resident||2008||present||A1, A3|
The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2009).
|Protected area (PA)||PA designation||PA area (ha)||Relationship of PA with IBA||Overlap of PA with IBA (ha)|
|Liangshui||Nature Reserve||12,133||is identical to site||12,133|
|Habitat (IUCN level 1)||Habitat detail||Extent (% of site)|
BirdLife International (2023) Important Bird Area factsheet: Liangshui Nature Reserve. Downloaded from http://datazone.birdlife.org/site/factsheet/liangshui-nature-reserve-iba-china-(mainland) on 03/12/2023.