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Kiritappu marsh, Biwase bay
| Location | Japan, Hokkaido |
| Central coordinates | 145o 4.00' East 43o 3.00' North |
| IBA criteria | A1, A3 |
| Area | 9,300 ha |
| Altitude | 0 - 10m |
| Year of IBA assessment | 2004 |
Wild Bird Society of Japan
Populations of IBA trigger species
| Species | Season | Period | Population estimate | Quality of estimate | IBA Criteria | IUCN Category |
|---|---|---|---|---|---|---|
| Steller's Sea-eagle Haliaeetus pelagicus | - | 2004 | present [units unknown] | - | A1 | Vulnerable |
| Red-crowned Crane Grus japonensis | - | 2004 | present [units unknown] | - | A1 | Endangered |
Protected areas
| Protected area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) | |
|---|---|---|---|---|---|
| Kiritappu Marsh | Reserve | 2,905 | unknown | 0 |
|
| Kiritappu-shitsugen | Wetlands of International Importance (Ramsar) | 2,504 | protected area contained by site | 2,504 |
|
Habitats
| IUCN habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Wetlands (inland) | Coastal lagoons; Permanent swamps; Salt marshes | - |
| Coastline | - |
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Kiritappu marsh, Biwase bay. Downloaded from http://www.birdlife.org on 20/06/2013
To provide new information to update this factsheet or to correct any errors, please email BirdLife
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