Data Zone
Country/territory: Japan
IBA criteria met: A4i (2004)
For more information about IBA criteria, please click here
Area: 830 hectares (8.30 km2)
| IBA conservation status | |||
|---|---|---|---|
| Year of assessment (most recent) | State (condition) | Pressure (threat) | Response (action) |
| 2010 | not assessed | low | low |
| For more information about IBA monitoring, please click here | |||
Site description (2007 baseline)
Lake Koetoi-Onuma is located in the east of Wakkanai City, has a perimeter of 12 km around, and a maximum depth of 2.2 m. In 1958, the lake was connected with the sea by a flood prevention project that straightened the Koetoigawa river. There is abundant wildlife in the fresh water lake and the brackish water. Many birds breed here, and Tundra Swans and ducks stop over in spring and autumn migrating seasons.
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Lake Koetoi-Onuma (Japan). Downloaded from
https://datazone.birdlife.org/site/factsheet/lake-koetoi-onuma-iba-japan on 27/12/2024.