Year of compilation: 2000
A marsh in the lower reaches of the Supoy river valley, near Yagotin town.
None209 ha of IBA covered by Protected Locality (Supoy Marsh, 209 ha). 2,000 ha of IBA covered by Protected Locality (Usovskiy, 2,000 ha).
BirdLife International (2021) Important Bird Areas factsheet: Supij marsh. Downloaded from
http://www.birdlife.org on 20/04/2021.