Data Zone
The site was identified as internationally important for bird conservation in 2007 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 |
|---|---|---|---|---|
| White-headed Duck Oxyura leucocephala | EN | breeding (2005–2007) | 2–4 birds | A1 |
| Common Goldeneye Bucephala clangula | LC | passage (2005–2007) | 500–700 birds | A4i |
| Smew Mergellus albellus | LC | passage (2005–2007) | 100–300 birds | A4i |
| Goosander Mergus merganser | LC | passage (2005–2007) | 100–300 birds | A4i |
| Red-breasted Merganser Mergus serrator | LC | passage (2005–2007) | 10–100 birds | A4i |
| Ruddy Shelduck Tadorna ferruginea | LC | passage (2007) | 200–500 birds | A4i |
| Ferruginous Duck Aythya nyroca | NT | breeding (2005–2007) | 100–140 birds | A1 |
| Gadwall Mareca strepera | LC | passage (2005–2007) | 5,000–7,000 birds | A4i |
| Black-necked Grebe Podiceps nigricollis | LC | breeding (2005–2007) | 200–250 birds | A4i |
| Demoiselle Crane Anthropoides virgo | LC | breeding (2005–2007) | 6–14 birds | A3 |
| Little Bustard Tetrax tetrax | NT | breeding (2005–2007) | 25–50 birds | A1, A3 |
| Great Bustard Otis tarda | EN | passage (2005–2007) | 15–30 birds | A1, A3 |
| Dalmatian Pelican Pelecanus crispus | NT | breeding (2005–2007) | 120–160 birds | A1, A4i |
| Great White Pelican Pelecanus onocrotalus | LC | passage (2005–2007) | 50–500 birds | A4i |
| Great Cormorant Phalacrocorax carbo | LC | breeding (2005–2007) | 800–1,000 birds | A4i |
| A4iii Species group - waterbirds | n/a | passage (2005–2007) | 24,600–38,300 birds | A4iii |
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2007. The most recent assessment (2014) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2014 | moderate | medium | medium |
| Whole site assessed? | State assessed by | Accuracy of information | |
| yes | habitat | medium | |
| State (condition of the trigger species' habitats) | |||
|---|---|---|---|
| Habitat | Quantity (% remaining) | Quality (% carrying capacity) | Result |
| Desert | good (>90%) | moderate (70–90%) | moderate |
| Grassland | good (>90%) | good (>90%) | good |
| Forest | good (>90%) | good (>90%) | good |
| Shrubland | good (>90%) | good (>90%) | good |
| Wetlands (inland) | good (>90%) | good (>90%) | good |
| Artificial/Terrestrial | good (>90%) | good (>90%) | good |
| Pressure (threats to the trigger species and/or their habitats) | ||||
|---|---|---|---|---|
| Threat | Timing | Scope | Severity | Result |
| Biological resource use | happening now | some of population/area (10–49%) | slow decline (1–10% over 3 generations) | medium |
| Natural system modifications | happening now | some of population/area (10–49%) | slow decline (1–10% over 3 generations) | medium |
| Agricultural expansion and intensification | happening now | some of population/area (10–49%) | slow decline (1–10% over 3 generations) | medium |
| Climate change and severe weather | happening now | some of population/area (10–49%) | slow decline (1–10% over 3 generations) | medium |
| Human intrusions and disturbance | happening now | few individuals/small area (<10%) | no or slight decline (<1% over 3 generations) | low |
| Transportation and service corridors | happening now | few individuals/small area (<10%) | no or slight decline (<1% over 3 generations) | low |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Designation | Planning | Action | Result |
| Most of area (50–90%) covered (including the most critical parts for important bird species) | A management plan exists, but it is out of date or not comprehensive | Substantive conservation measures are being implemented, but these are not comprehensive and are limited by resources and capacity | medium |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1998 | Alakolsky | State Nature Reserve (-) | 36 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Wetlands (inland) | 70 | Fens, transition mires & springs; Rivers & streams; Standing fresh water; Temporary water bodies; Water-fringe vegetation |
| Desert | 20 | Desert & semi-desert - salty; Desert & semi-desert - clay |
| Grassland | 5 | Humid |
| Shrubland | 5 | Scrub |
| Artificial/Terrestrial | minor (<10) | Arable land; Highly improved reseeded grasslands |
| Forest | minor (<10) | Flood-plain |
| Land use | % of IBA |
|---|---|
| nature conservation and research | 80 |
| rangeland/pastureland | 20 |
| fisheries/aquaculture | 20 |
| tourism/recreation | 10 |
| forestry | minor (<10) |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Tentek River Delta (Kazakhstan). Downloaded from
https://datazone.birdlife.org/site/factsheet/tentek-river-delta-iba-kazakhstan on 22/12/2024.