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'):Species | Current IUCN Red List Category | Season | Year(s) | Population estimate at site | IBA criteria met |
---|---|---|---|---|---|
Cape Francolin Pternistis capensis | LC | resident | 1998 | present | A3 |
Blue Crane Anthropoides paradiseus | VU | resident | - | present | A1 |
Black Harrier Circus maurus | EN | resident | - | present | A1 |
Ground Woodpecker Geocolaptes olivaceus | NT | resident | - | present | A1 |
Cape Rockjumper Chaetops frenatus | NT | resident | 1998 | present | A1, A2, A3 |
Victorin's Warbler Cryptillas victorini | LC | resident | 1998 | present | A2, A3 |
Cape Bulbul Pycnonotus capensis | LC | resident | 1998 | present | A3 |
Cape Sugarbird Promerops cafer | LC | resident | 1998 | present | A2, A3 |
Orange-breasted Sunbird Anthobaphes violacea | LC | resident | 1998 | present | A2, A3 |
Protea Canary Crithagra leucoptera | NT | resident | 1998 | present | A1, A2, A3 |
Cape Siskin Crithagra totta | LC | resident | 1998 | present | A1, A2, A3 |
The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (1998).
IBA conservation assessment | |||
---|---|---|---|
Year of assessment (most recent) | State (condition) | Pressure (threat) | Response (action) |
2013 | not assessed | high | high |
Was the whole site assessed? | State assessed by | Accuracy of information | |
no | unset | - |
State (condition of the trigger species' habitats) | ||||||
---|---|---|---|---|---|---|
Habitat | Habitat detail | Reference area (ha) | Actual area (ha) | Habitat quantity (% remaining) | Habitat quality (carrying capacity) | Result |
Shrubland | Shrubland - Cape (fynbos) | 0 | 0 | moderate (70-90%) | moderate (70-90%) | unfavourable |
Pressure (threats to the trigger species and/or their habitats) | |||||
---|---|---|---|---|---|
Threat level 1 | Threat level 2 | Timing | Scope | Severity | Result |
Agricultural expansion and intensification | annual & perennial non-timber crops - agro-industry farming | happening now | small area/few individuals (<10%) | slow but significant deterioration | low |
Agricultural expansion and intensification | wood and pulp plantations (includes afforestation) - agro-industry plantations | happening now | some of area/population (10-49%) | no or imperceptible deterioration | low |
Biological resource use | gathering terrestrial plants - unintentional effects (species being assessed is not the target) | happening now | majority/most of area/population (50-90%) | slow but significant deterioration | high |
Biological resource use | hunting & collecting terrestrial animals - intentional use (species being assessed is the target) | happening now | small area/few individuals (<10%) | no or imperceptible deterioration | low |
Climate change and severe weather | habitat shifting and alteration | likely in short term (within 4 years) | some of area/population (10-49%) | slow but significant deterioration | medium |
Energy production and mining | renewable energy | likely in short term (within 4 years) | small area/few individuals (<10%) | slow but significant deterioration | low |
Human intrusions and disturbance | recreational activities | happening now | some of area/population (10-49%) | no or imperceptible deterioration | low |
Invasive and other problematic species and genes | invasive non-native/alien species/diseases - named species | happening now | some of area/population (10-49%) | slow but significant deterioration | medium |
Invasive and other problematic species and genes | problematic native species/diseases - named species | happening now | small area/few individuals (<10%) | no or imperceptible deterioration | low |
Natural system modifications | dams & water management/use - large dams | happening now | small area/few individuals (<10%) | no or imperceptible deterioration | low |
Natural system modifications | fire & fire suppression - increase in fire frequency/intensity | happening now | majority/most of area/population (50-90%) | moderate to rapid deterioration | high |
Pollution | agricultural & forestry effluents - herbicides and pesticides | happening now | small area/few individuals (<10%) | no or imperceptible deterioration | low |
Pollution | garbage & solid waste | happening now | small area/few individuals (<10%) | no or imperceptible deterioration | low |
Residential and commercial development | housing and urban areas | happening now | small area/few individuals (<10%) | slow but significant deterioration | low |
Residential and commercial development | tourism and recreation areas | happening now | small area/few individuals (<10%) | slow but significant deterioration | low |
Transportation and service corridors | roads and railroads | happening now | some of area/population (10-49%) | slow but significant deterioration | medium |
Transportation and service corridors | utility & service lines | happening now | some of area/population (10-49%) | slow but significant deterioration | medium |
Response (conservation actions taken for the trigger species and/or their habitats) | |||
---|---|---|---|
Protected-area designation | Management planning | Other conservation action | Result |
Most of site (50-90%) covered (including the most critical parts for important bird species) | 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 (PA) | PA designation | PA area (ha) | Relationship of PA with IBA | Overlap of PA with IBA (ha) |
---|---|---|---|---|
Winterhoek Mountain Catchment Area | Mountain Catchment Area | 51,325 | protected area is adjacent to site | 0 |
Voëlvlei Provincial Nature Reserve | Nature Reserve | 866 | protected area contained by site | 0 |
Villiersdorp Nature Reserve | Nature Reserve | 527 | protected area contained by site | 0 |
Steenbras Nature Reserve | Nature Reserve | 793,816 | protected area is adjacent to site | 0 |
Ruvami Private Nature Reserve | Nature Reserve | 917 | protected area contained by site | 0 |
Mont Rochelle Nature Reserve | Nature Reserve | 1,684 | protected area overlaps with site | 0 |
Lourens River Protected Natural Environment | Protected Environment | 4,412 | protected area is adjacent to site | 0 |
Kogelberg Biosphere Reserve | UNESCO-MAB Biosphere Reserve | 108,288 | protected area overlaps with site | 103,629 |
Kogelberg | Provincial Nature Reserve | 19,891 | protected area contained by site | 14,006 |
Klein Houwhoek Private Nature Reserve | Nature Reserve | 1,155 | protected area contained by site | 0 |
Hottentotsholland Nature Reserve | Forest Nature Reserve | 26,050 | protected area overlaps with site | 0 |
Hottentots-Holland Mountain Catchment Area | Mountain Catchment Area | 24,401 | protected area overlaps with site | 0 |
Hottentots-holland | Provincial Nature Reserve | 27,077 | protected area contained by site | 24,569 |
Hawequas Mountain Catchment Area | Mountain Catchment Area | 51,604 | protected area overlaps with site | 64,634 |
Elandsberg Private Nature Reserve | Nature Reserve | 3,169 | protected area is adjacent to site | 0 |
De Rust Nature Reserve | Nature Reserve | 1,713 | protected area contained by site | 0 |
Cape Winelands Biosphere Reserve | UNESCO-MAB Biosphere Reserve | 322,028 | protected area overlaps with site | 0 |
Cape Floral Region Protected Areas | World Heritage Site (natural or mixed) | 1,094,742 | protected area overlaps with site | 105,348 |
Brodie Link Provincial Nature Reserve | Nature Reserve | 92 | protected area is adjacent to site | 0 |
Assegaaibos Provincial Nature Reserve | Nature Reserve | 197 | protected area is adjacent to site | 0 |
Habitat (IUCN level 1) | Habitat detail | Extent (% of site) |
---|---|---|
Forest | Montane forest - mixed | - |
Shrubland | Shrubland - Cape (fynbos) | - |
Land-use | Extent (% of site) |
---|---|
tourism/recreation | - |
water management | - |
nature conservation and research | - |
Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Boland Mountains. Downloaded from
http://datazone.birdlife.org/site/factsheet/boland-mountains-iba-south-africa on 24/09/2023.