Data Zone
Year of most recent IBA criteria assessment: 2004
Populations of IBA trigger species| Species | Current IUCN Red List Category | Season | Year(s) of estimate | Population estimate | IBA Criteria Triggered |
|---|---|---|---|---|---|
| Greater Scaup Aythya marila | LC | winter | 2003 | present | A4i |
| A4iii Species group - waterbirds | n/a | winter | 2003 | min 20,000 individuals | A4iii |
Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.
For more information about the IBA assessment process and criteria please click here
| Most recent IBA monitoring assessment | |||
|---|---|---|---|
| Year of assessment | Threat score (pressure) | Condition score (state) | Action score (response) |
| 2015 | not assessed | not assessed | negligible |
| Was the whole site covered? | Yes | State assessed by | unset |
| Accuracy of information | - | ||
| Protected Area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) |
|---|---|---|---|---|
| Honmyogawa | 都道府県指定鳥獣保護区 | 2,445 | protected area overlaps with site | 0 |
| Common fishery right area(Nagasaki) | 共同漁業権区域 | 310,655 | protected area overlaps with site | 0 |
| IUCN Habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Wetlands (inland) | Intertidal mud, sand or salt flats | - |
Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Isahaya bay. Downloaded from
http://www.birdlife.org on 28/06/2022.
