The site was identified as important in 1998 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 List1 | Season | Year(s) | Size | IBA criteria |
---|---|---|---|---|---|
Blue Crane Anthropoides paradiseus | VU | resident | - | 200-400 breeding pairs | A1, A4i |
Blue Crane Anthropoides paradiseus | VU | non-breeding | - | 1,000-2,500 individuals | A1, A4i |
Ludwig's Bustard Neotis ludwigii | EN | resident | 1998 | present | A3 |
Karoo Bustard Heterotetrax vigorsii | LC | resident | 1998 | present | A3 |
Blue Bustard Eupodotis caerulescens | NT | resident | - | present | A1 |
Black Stork Ciconia nigra | LC | non-breeding | - | 10-20 individuals | A4i |
Lesser Kestrel Falco naumanni | LC | winter | - | 5,000-10,000 individuals | A1, A4ii |
Karoo Long-billed Lark Certhilauda subcoronata | LC | resident | 1998 | present | A3 |
Karoo Lark Calendulauda albescens | LC | resident | 1998 | present | A3 |
Namaqua Warbler Phragmacia substriata | LC | resident | 1998 | present | A3 |
Layard's Warbler Curruca layardi | LC | resident | 1998 | present | A3 |
Pale-winged Starling Onychognathus nabouroup | LC | resident | 1998 | present | A3 |
Karoo Chat Emarginata schlegelii | LC | resident | 1998 | present | A3 |
Sickle-winged Chat Emarginata sinuata | LC | resident | 1998 | present | A3 |
Tractrac Chat Emarginata tractrac | LC | resident | 1998 | present | A3 |
Black-headed Canary Serinus alario | LC | resident | 1998 | present | A3 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (1998) may differ.
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 1998. The most recent assessment (2014) is shown below.
IBA conservation assessment | |||
---|---|---|---|
Year of assessment | State | Pressure | Response |
2014 | very unfavourable | high | negligible |
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 |
Forest | poor (40-69%) | poor (40-69%) | very unfavourable |
Shrubland | moderate (70-90%) | moderate (70-90%) | unfavourable |
Pressure (threats to the trigger species and/or their habitats) | ||||
---|---|---|---|---|
Threat | Timing | Scope | Severity | Result |
Energy production and mining | happening now | majority/most of area/population (50-90%) | moderate to rapid deterioration | high |
Transportation and service corridors | happening now | majority/most of area/population (50-90%) | moderate to rapid deterioration | high |
Climate change and severe weather | likely in long term (beyond 4 years) | whole area/population (>90%) | slow but significant deterioration | medium |
Invasive and other problematic species and genes | happening now | some of area/population (10-49%) | slow but significant deterioration | medium |
Natural system modifications | happening now | some of area/population (10-49%) | slow but significant deterioration | medium |
Biological resource use | happening now | small area/few individuals (<10%) | moderate to rapid deterioration | low |
Agricultural expansion and intensification | happening now | small area/few individuals (<10%) | slow but significant deterioration | low |
Pollution | likely in short term (within 4 years) | small area/few individuals (<10%) | slow but significant deterioration | low |
Response (conservation actions taken for the trigger species and/or their habitats) | |||
---|---|---|---|
Protected areas | Management plan | Other action | Result |
Little/none of site covered (<10%) | No management planning has taken place | Some limited conservation initiatives are in place | negligible |
Year | Protected Area | Designation | % overlap with IBA |
---|---|---|---|
1975 | De Aar Nature Reserve | Nature Reserve | <1 |
1994 | Rolfontein Provincial Nature Reserve | Nature Reserve | <1 |
Habitat1 | Habitat detail | % of IBA |
---|---|---|
Grassland | Grassland - highveld | 99 |
Forest | Woodland - mixed | - |
Shrubland | Shrubland - bushy Karroo, Shrubland - dwarf Karroo | - |
Wetlands (inland) | Rivers & streams, Saltpans | - |
Land use | % of IBA |
---|---|
water management | 90 |
nature conservation and research | 1 |
agriculture | - |
tourism/recreation | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Platberg-Karoo Conservancy (South Africa). Downloaded from
https://datazone.birdlife.org/site/factsheet/platberg-karoo-conservancy-iba-south-africa on 23/11/2024.