The site was identified as important in 2007 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|
|White-tailed Sea-eagle Haliaeetus albicilla||LC||breeding||1998||5 breeding pairs||A1|
The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2007).
|Habitat (IUCN level 1)||Habitat detail||Extent (% of site)|
|Forest||Mixed woodland, Native coniferous woodland||-|
|Wetlands (inland)||Rivers and streams, Standing freshwater, Raised bogs, Water fringe vegetation||-|
|Land-use||Extent (% of site)|
BirdLife International (2023) Important Bird Area factsheet: Ivinski flood-plain (Verkhnesvirskoye reservoir). Downloaded from http://datazone.birdlife.org/site/factsheet/ivinski-flood-plain-(verkhnesvirskoye-reservoir)-iba-russia-(european) on 25/09/2023.