KZ037
Tounsor Hollow Lakes


IBA Justification

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 passage (2005–2007) 1–4 birds A1
Lesser White-fronted Goose Anser erythropus VU passage (2005–2006) 3–17 birds A1
Siberian Crane Leucogeranus leucogeranus CR passage (2002) 2 birds A1
Demoiselle Crane Anthropoides virgo LC breeding (2007) < 50 pairs A3
Little Bustard Tetrax tetrax NT breeding (2001–2006) 30 birds A1, A3
Dalmatian Pelican Pelecanus crispus NT passage (1982–2006) 3–30 birds A1
Sociable Lapwing Vanellus gregarius CR breeding (2000–2006) 2–7 pairs A1, A3
Red-necked Phalarope Phalaropus lobatus LC passage (2001) 11,000 birds A4i
Black-winged Pratincole Glareola nordmanni NT breeding (2004) 20 pairs A1, A3
Pallid Harrier Circus macrourus NT breeding (2007) < 50 birds A1, A3
Black Lark Melanocorypha yeltoniensis LC breeding (2007) 50-249 pairs A3
White-winged Lark Alauda leucoptera LC breeding (2007) 50-249 pairs A3
A4iii Species group - waterbirds n/a passage (2005–2006) 20,000-49,999 birds A4iii

IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2007. The most recent assessment (2015) is shown below.

IBA conservation assessment
Year of assessment State Pressure Response
2015 very poor high not assessed
Whole site assessed? State assessed by Accuracy of information
no habitat medium

State (condition of the trigger species' populations)
Species Actual vs Reference (units) % remaining Result
Mute Swan Cygnus olor 14 / 224 (birds) 7 very poor
Whooper Swan Cygnus cygnus 243 / 348 (birds) 70 moderate
Tundra Swan Cygnus columbianus 22 / 22 (birds) 100 good
Smew Mergellus albellus 8 / 30 (birds) 27 very poor
Ruddy Shelduck Tadorna ferruginea 45 / 17,000 (birds) 1 very poor
Common Pochard Aythya ferina 144 / 17,000 (birds) 1 very poor
Tufted Duck Aythya fuligula 80 / 19,000 (birds) 1 very poor
Northern Shoveler Spatula clypeata 518 / 250 (birds) 100 good
Gadwall Mareca strepera 27 / 27 (birds) 100 good
Eurasian Wigeon Mareca penelope 8 / 8 (birds) 100 good
Mallard Anas platyrhynchos 351 / 10,500 (birds) 4 very poor
Eurasian Coot Fulica atra 700 / 100 (birds) 100 good
Great Cormorant Phalacrocorax carbo 8 / 8 (birds) 100 good
Mew Gull Larus canus 604 / 604 (birds) 100 good
Short-eared Owl Asio flammeus 3 / 3 (males) 100 good
Hen Harrier Circus cyaneus 5 / 5 (birds) 100 good
White-tailed Sea-eagle Haliaeetus albicilla 1 / 1 (birds) 100 good
A4iii Species group - waterbirds 9,778 / 1,574 (birds) 100 good

State (condition of the trigger species' habitats)
Habitat Quantity (% remaining) Quality (% carrying capacity) Result
Artificial/Terrestrial very poor (<40%) poor (40–69%) very poor
Shrubland good (>90%) moderate (70–90%) moderate
Grassland good (>90%) moderate (70–90%) moderate
Wetlands (inland) good (>90%) good (>90%) good

Pressure (threats to the trigger species and/or their habitats)
Threat Timing Scope Severity Result
Energy production and mining happe­ning now most of popul­ation/area (50–90%) moderate decline (10–30% over 3 gener­ations) high
Biological resource use happe­ning now some of popul­ation/area (10–49%) slow decline (1–10% over 3 gener­ations) medium
Agricultural expansion and intensification 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
Not assessed Not assessed Not assessed not assessed

IBA Protection

Year Protected Area Designation (management category) % coverage of IBA
1974 Tounsorskiy Zakaznik (IV) 100

Habitats

Habitat % of IBA Habitat detail
Grassland 70 Mesophile grassland & tall grass steppe; Steppes & dry calcareous
Wetlands (inland) 30 Rivers & streams; Standing brackish & salt water; Standing fresh water; Water-fringe vegetation
Artificial/Terrestrial minor (<10) Other urban & industrial areas; Ruderal land
Shrubland minor (<10) Low bushes

Land use

Land use % of IBA
nature conservation and research 100
rangeland/pastureland 30
fisheries/aquaculture 10


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Tounsor Hollow Lakes (Kazakhstan). Downloaded from https://datazone.birdlife.org/site/factsheet/tounsor-hollow-lakes-iba-kazakhstan on 23/12/2024.