Data Zone
The site was identified as internationally important for bird conservation in 2004 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:| Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Cotton Pygmy-goose Nettapus coromandelianus | LC | resident (2004) | present | A4i |
| Eurasian Wigeon Mareca penelope | LC | winter (2004) | present | A4i |
| Little Cormorant Microcarbo niger | LC | non-breeding (2004) | present | A4i |
| A4iii Species group - waterbirds | n/a | unknown (2004) | min 20,000 birds | A4iii |
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2004. The most recent assessment (2003) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2003 | not assessed | very high | not assessed |
| Whole site assessed? | State assessed by | Accuracy of information | |
| yes | unset | good | |
| Pressure (threats to the trigger species and/or their habitats) | ||||
|---|---|---|---|---|
| Threat | Timing | Scope | Severity | Result |
| Pollution | happening now | most of population/area (50–90%) | rapid decline (>30% over 3 generations) | very high |
| Invasive and other problematic species and genes | happening now | most of population/area (50–90%) | slow decline (1–10% over 3 generations) | high |
| Human intrusions and disturbance | likely in short term (<4 years) | some of population/area (10–49%) | slow decline (1–10% over 3 generations) | medium |
| Residential and commercial development | likely in long term (>4 years) | some of population/area (10–49%) | rapid decline (>30% over 3 generations) | medium |
| Agricultural expansion and intensification | happening now | few individuals/small area (<10%) | slow decline (1–10% over 3 generations) | low |
| Biological resource use | happening now | few individuals/small area (<10%) | slow decline (1–10% over 3 generations) | low |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Designation | Planning | Action | Result |
| Not assessed | Not assessed | Not assessed | not assessed |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Wetlands (inland) | major (>10) |
| Land use | % of IBA |
|---|---|
| fisheries/aquaculture | - |
| urban/industrial/transport | - |
| water management | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Ousteri Lake (India). Downloaded from
https://datazone.birdlife.org/site/factsheet/ousteri-lake-iba-india on 23/12/2024.