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Location Japan, Hokkaido
Central coordinates 140o 13.00' East  42o 16.00' North
IBA criteria A1, A3
Area 300 ha
Altitude 0 - 50m
Year of IBA assessment 2004

Wild Bird Society of Japan

Site description The site is located in the southwest of Hokkaido. The Yurappukawa river is 30 km long and has its sources in Mt Yurappudake and Mt Futorodake. The rivers have no dam nor barrier to control soil erosion along the area, so salmons come up some river tributaries. Because of the forest clearance, mainly of Fagus crenata, the quantity of water is decreasing.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Horned Grebe Podiceps auritus breeding  2004  present  A3  Vulnerable 
Steller's Sea-eagle Haliaeetus pelagicus winter  2004  present  A1  Vulnerable 
Middendorff's Grasshopper-warbler Locustella ochotensis breeding  2004  present  A3  Least Concern 


IUCN habitat Habitat detail Extent (% of site)
Forest   -
Wetlands (inland) Rivers and streams  -

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Yakumo. Downloaded from on 22/10/2016

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