Year of most recent IBA criteria assessment: 2001
Populations of IBA trigger speciesSpecies | Current IUCN Red List Category | Season | Year(s) of estimate | Population estimate | IBA Criteria Triggered |
---|---|---|---|---|---|
Running Coua Coua cursor | LC | resident | 1997 | present | A2, A3 |
Verreaux's Coua Coua verreauxi | LC | resident | 1997 | present | A1, A2, A3 |
Olive-capped Coua Coua olivaceiceps | LC | resident | 1997 | present | A3 |
Archbold's Newtonia Newtonia archboldi | LC | resident | 1997 | present | A2, A3 |
Red-shouldered Vanga Calicalicus rufocarpalis | VU | resident | 1997 | present | A2, A3 |
Lafresnaye's Vanga Xenopirostris xenopirostris | NT | resident | 1997 | present | A2, A3 |
Sickle-billed Vanga Falculea palliata | LC | resident | 1997 | present | A3 |
Subdesert Brush-warbler Nesillas lantzii | LC | resident | 1997 | present | A2, A3 |
Sakalava Weaver Ploceus sakalava | LC | resident | 1997 | present | A3 |
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) |
2017 | very high | unfavourable | high |
Was the whole site covered? | No | State assessed by | Habitat |
Accuracy of information | medium |
Threats to the site (pressure) | |||||
---|---|---|---|---|---|
Threat Level 1 | Threat Level 2 | Timing | Scope | Severity | Result |
Biological resource use | logging & wood harvesting - intentional use: subsistence/small scale | past (and unlikely to return) and no longer limiting | whole area/population (>90%) | slow but significant deterioration | low |
Biological resource use | logging & wood harvesting - unintentional effects: large scale | happening now | majority/most of area/population (50-90%) | moderate to rapid deterioration | high |
Human intrusions and disturbance | work and other activities | likely in long term (beyond 4 years) | majority/most of area/population (50-90%) | very rapid to severe deterioration | high |
Residential and commercial development | housing and urban areas | happening now | majority/most of area/population (50-90%) | very rapid to severe deterioration | very high |
Condition of habitat (state) | ||||||
---|---|---|---|---|---|---|
Habitat | Habitat Detail | Reference Area (ha) | Actual Area (ha) | % of habitat remaining | % of carrying capacity (overall) | Result |
Forest | 0 | 0 | moderate (70-90%) | moderate (70-90%) | unfavourable | |
Wetlands (inland) | 0 | 0 | good (> 90%) | good (> 90%) | favourable |
Conservation actions taken at site (response) | |||
---|---|---|---|
Conservation Designation | Management Planning | Conservation Action | Result |
Whole area of site (>90%) covered by appropriate conservation designation | A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species | The conservation measures needed for the site are being comprehensively and effectively implemented | high |
Protected Area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) |
---|---|---|---|---|
Zones humides de l'Onilahy | Ramsar Site, Wetland of International Importance | 42,950 | protected area overlaps with site | 0 |
Tahosoa | Locally Managed Marine Area | 5,000 | protected area is adjacent to site | 0 |
IUCN Habitat | Habitat detail | Extent (% of site) |
---|---|---|
Shrubland | Bushland & thicket - deciduous | - |
Forest | Mangrove | - |
Wetlands (inland) | Rivers & streams | - |
Marine Intertidal | - |
Land-use | Extent (% of site) |
---|---|
unknown | - |
Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Saint Augustin Forest. Downloaded from
http://www.birdlife.org on 31/03/2023.