Lake Utonai, Yufutu plain (15133)
Japan, Asia
Site overview
KBA status: confirmed
Year of last assessment: 2011
National site name: Lake Utonai, Yufutu plain
Central coordinates: Latitude: 42.6500, Longitude: 141.7500
System: freshwater, terrestrial
Elevation (m): 0 to 10
Area of KBA (km2): 71.55671
Protected area coverage (%): 7.15
KBA classification: Regional
Legacy site: Yes
Site details
Site description: Yufutsu plain is located in the southwest of Hokkaido, and is a wetland formed by the peat bed with the volcanic ash fall pile. In the lakes and marshes grow aquatic plants such as Zizania latifolis surrounded by grassland of Phragmites australis, Calamagrostis langsdorffii and shrub of Alnus japonica. Secondary forests of Quercus serrata and Quercus crispula are found around there.
Rationale for qualifying as KBA: This site qualifies as a Key Biodiversity Area of international significance that was identified using previously established criteria and thresholds for the identification of Important Bird and Biodiversity Areas (IBAs) and for which available data indicate that it does not meet global KBA criteria and thresholds set out in the Global Standard.
Habitats
| IUCN Habitat | Coverage % | Habitat detail |
|---|---|---|
| Wetlands(Inland) | 50 | |
| Artificial - Terrestrial | 50 |
Threats
| Threat level 1 | Threat level 2 | Threat level 3 | Timing |
|---|---|---|---|
| Invasive & other problematic species, genes & diseases | Invasive non-native/alien species/diseases | Named species | Ongoing |
| Climate change & severe weather | Storms & flooding | Only in the future | |
| Energy production & mining | Renewable energy | Ongoing | |
| Geological events | Volcanoes | Only in the future | |
| Human intrusions & disturbance | Recreational activities | Ongoing | |
| Residential & commercial development | Commercial & industrial areas | Ongoing | |
| Transportation & service corridors | Roads & railroads | Ongoing |