Year of most recent IBA criteria assessment: 1998
Populations of IBA trigger speciesSpecies | Current IUCN Red List Category | Season | Year(s) of estimate | Population estimate | IBA Criteria Triggered |
---|---|---|---|---|---|
South African Shelduck Tadorna cana | LC | non-breeding | - | 87-477 individuals | A4i |
Southern Pochard Netta erythrophthalma | LC | non-breeding | - | 346-1,332 individuals | A4i |
Cape Shoveler Spatula smithii | LC | non-breeding | - | 603-1,418 individuals | A4i |
Little Grebe Tachybaptus ruficollis | LC | non-breeding | - | 403-628 individuals | A4i |
Great Crested Grebe Podiceps cristatus | LC | non-breeding | - | 25-51 individuals | A4i |
Black-necked Grebe Podiceps nigricollis | LC | non-breeding | - | 328-1,380 individuals | A4i |
Greater Flamingo Phoenicopterus roseus | LC | non-breeding | - | 1,878-4,328 individuals | A4i |
Lesser Flamingo Phoeniconaias minor | NT | non-breeding | - | present | A1 |
Cape Cormorant Phalacrocorax capensis | EN | breeding | - | 1,000-15,000 breeding pairs | A1, A4i |
Cape Cormorant Phalacrocorax capensis | EN | non-breeding | - | 2,665-40,000 individuals | A1, A4i |
Pied Avocet Recurvirostra avosetta | LC | non-breeding | - | 467-942 individuals | A4i |
Hartlaub's Gull Larus hartlaubii | LC | non-breeding | - | 1,156-3,506 individuals | A4i |
Kelp Gull Larus dominicanus | LC | non-breeding | - | 996-3,685 individuals | A4i |
White-winged Tern Chlidonias leucopterus | LC | winter | - | 1,025-6,832 individuals | A4i |
Sandwich Tern Thalasseus sandvicensis | LC | winter | - | 3,027 individuals | A4i |
Greater Crested Tern Thalasseus bergii | LC | non-breeding | - | 753 individuals | A4i |
A4iii Species group - seabirds | n/a | resident | - | 20,000-49,999 individuals | A4iii |
A4iii Species group - waterbirds | n/a | non-breeding | - | 20,000-49,999 individuals | A4iii |
Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.
For more information about the IBA assessment process and criteria please click here
Most recent IBA monitoring assessment | |||
---|---|---|---|
Year of assessment | Threat score (pressure) | Condition score (state) | Action score (response) |
2012 | high | very unfavourable | medium |
Was the whole site covered? | No | State assessed by | Habitat |
Accuracy of information | medium |
Threats to the site (pressure) | |||||
---|---|---|---|---|---|
Threat Level 1 | Threat Level 2 | Timing | Scope | Severity | Result |
Biological resource use | fishing & harvesting aquatic resources - unintentional effects: subsistence/small scale | happening now | small area/few individuals (<10%) | no or imperceptible deterioration | low |
Biological resource use | fishing & harvesting aquatic resources - unintentional effects: subsistence/small scale | 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 - unintentional effects (species is not the target) | happening now | some of area/population (10-49%) | no or imperceptible deterioration | low |
Climate change and severe weather | storms and floods | likely in long term (beyond 4 years) | small area/few individuals (<10%) | no or imperceptible deterioration | low |
Climate change and severe weather | temperature extremes | likely in long term (beyond 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%) | slow but significant deterioration | medium |
Human intrusions and disturbance | work and other activities | happening now | some of area/population (10-49%) | no or imperceptible deterioration | low |
Invasive and other problematic species and genes | introduced genetic material | likely in short term (within 4 years) | small area/few individuals (<10%) | slow but significant 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 | majority/most of area/population (50-90%) | moderate to rapid deterioration | high |
Natural system modifications | other ecosystem modifications | happening now | majority/most of area/population (50-90%) | slow but significant deterioration | high |
Natural system modifications | other ecosystem modifications | happening now | small area/few individuals (<10%) | no or imperceptible deterioration | low |
Pollution | domestic & urban waste water - sewage | happening now | some of area/population (10-49%) | moderate to rapid deterioration | high |
Pollution | domestic & urban waste water - type unknown/unrecorded | happening now | majority/most of area/population (50-90%) | moderate to rapid deterioration | high |
Pollution | excess energy - noise pollution | happening now | majority/most of area/population (50-90%) | no or imperceptible deterioration | low |
Pollution | garbage & solid waste | happening now | some of area/population (10-49%) | moderate to rapid deterioration | high |
Residential and commercial development | commercial and industrial development | happening now | small area/few individuals (<10%) | no or imperceptible deterioration | low |
Residential and commercial development | housing and urban areas | likely in short term (within 4 years) | some of area/population (10-49%) | slow but significant deterioration | medium |
Residential and commercial development | tourism and recreation areas | happening now | majority/most of area/population (50-90%) | no or imperceptible 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 |
Condition of habitat (state) | ||||||
---|---|---|---|---|---|---|
Habitat | Habitat Detail | Reference Area (ha) | Actual Area (ha) | % of habitat remaining | % of carrying capacity (overall) | Result |
Shrubland | Shrubland - Cape (fynbos) | 0 | 0 | moderate (70-90%) | moderate (70-90%) | unfavourable |
Wetlands (inland) | Sand dunes and beaches - riverine | 0 | 0 | poor (40-69%) | poor (40-69%) | very unfavourable |
Condition of key/trigger populations (state) | ||||||
---|---|---|---|---|---|---|
Scientific | Common | TargetPop | ActualPop | Units | Remaining | Result |
Spatula smithii | Cape Shoveler | 1418 | 630 | individuals | 45 | unfavourable |
Anas capensis | Cape Teal | 1799 | 450 | individuals | 26 | very unfavourable |
Podiceps cristatus | Great Crested Grebe | 51 | 16 | individuals | 32 | very unfavourable |
Larus hartlaubii | Hartlaub's Gull | 3506 | 830 | individuals | 24 | very unfavourable |
Conservation actions taken at site (response) | |||
---|---|---|---|
Conservation Designation | Management Planning | Conservation Action | Result |
Most of site (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 |
Protected Area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) |
---|---|---|---|---|
Zeekoevlei Local Nature Reserve | Nature Reserve | 421 | protected area contained by site | 0 |
Rondevlei Bird Sanctuary | Nature Reserve | 100 | protected area contained by site | 0 |
False Bay Nature Reserve | Ramsar Site, Wetland of International Importance | 1,543 | protected area contained by site | 0 |
False Bay Ecology Park | Other | 3,000 | is identical to site | 3,000 |
IUCN Habitat | Habitat detail | Extent (% of site) |
---|---|---|
Shrubland | Shrubland - Cape (fynbos) | - |
Wetlands (inland) | Sand dunes and beaches - riverine | - |
Land-use | Extent (% of site) |
---|---|
unknown | - |
nature conservation and research | - |
Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: False Bay Nature Reserve. Downloaded from
http://www.birdlife.org on 24/03/2023.