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 |
---|---|---|---|---|---|
African Penguin Spheniscus demersus | EN | resident | - | 21,200 breeding pairs | A1, A4ii |
African Penguin Spheniscus demersus | EN | non-breeding | - | 60,000 individuals | A1, A4ii |
Cape Gannet Morus capensis | EN | resident | - | 59,000 breeding pairs | A1, A4ii |
Cape Gannet Morus capensis | EN | non-breeding | - | 140,000 individuals | A1, A4ii |
African Oystercatcher Haematopus moquini | LC | resident | - | 16-20 breeding pairs | A1, A4i |
African Oystercatcher Haematopus moquini | LC | non-breeding | - | 40-50 individuals | A1, A4i |
Kelp Gull Larus dominicanus | LC | breeding | - | 500-900 breeding pairs | A4i |
Kelp Gull Larus dominicanus | LC | non-breeding | - | 1,000-1,950 individuals | A4i |
Roseate Tern Sterna dougallii | LC | breeding | - | 180 breeding pairs | A4i |
Roseate Tern Sterna dougallii | LC | non-breeding | - | 400 individuals | A4i |
Antarctic Tern Sterna vittata | LC | non-breeding | - | 500-5,000 individuals | A4i |
A4iii Species group - seabirds | n/a | resident | - | 100,000-499,999 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) |
2014 | high | near favourable | high |
Was the whole site covered? | Yes | State assessed by | Habitat |
Accuracy of information | medium |
Threats to the site (pressure) | |||||
---|---|---|---|---|---|
Threat Level 1 | Threat Level 2 | Timing | Scope | Severity | Result |
Agricultural expansion and intensification | marine and freshwater aquaculture - industrial aquaculture | likely in short term (within 4 years) | some of area/population (10-49%) | no or imperceptible deterioration | low |
Biological resource use | fishing & harvesting aquatic resources - intentional use: lg scale | happening now | small area/few individuals (<10%) | moderate to rapid deterioration | low |
Biological resource use | fishing & harvesting aquatic resources - intentional use: subsistence/sml scale | happening now | small area/few individuals (<10%) | slow but significant deterioration | low |
Biological resource use | fishing & harvesting aquatic resources - unintentional effects: large scale | happening now | small area/few individuals (<10%) | slow but significant deterioration | low |
Climate change and severe weather | storms and floods | happening now | some of area/population (10-49%) | slow but significant deterioration | medium |
Climate change and severe weather | temperature extremes | likely in short term (within 4 years) | majority/most of area/population (50-90%) | moderate to rapid deterioration | high |
Energy production and mining | oil and gas drilling | likely in short term (within 4 years) | some of area/population (10-49%) | moderate to rapid deterioration | medium |
Energy production and mining | renewable energy | likely in short term (within 4 years) | small area/few individuals (<10%) | no or imperceptible deterioration | low |
Human intrusions and disturbance | recreational activities | likely in short term (within 4 years) | small area/few individuals (<10%) | no or imperceptible deterioration | low |
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 | invasive non-native/alien species/diseases - named species | happening now | small area/few individuals (<10%) | slow but significant deterioration | low |
Invasive and other problematic species and genes | problematic native species/diseases - named species | happening now | majority/most of area/population (50-90%) | slow but significant deterioration | high |
Pollution | agricultural & forestry effluents - herbicides and pesticides | happening now | small area/few individuals (<10%) | no or imperceptible deterioration | low |
Pollution | air-borne pollutants - smog | happening now | some of area/population (10-49%) | slow but significant deterioration | medium |
Pollution | excess energy - light pollution | happening now | small area/few individuals (<10%) | no or imperceptible deterioration | low |
Pollution | garbage & solid waste | happening now | some of area/population (10-49%) | slow but significant deterioration | medium |
Pollution | industrial & military effluents - oil spills | likely in short term (within 4 years) | whole area/population (>90%) | moderate to rapid deterioration | high |
Residential and commercial development | commercial and industrial development | likely in short term (within 4 years) | whole area/population (>90%) | moderate to rapid deterioration | high |
Residential and commercial development | housing and urban areas | happening now | small area/few individuals (<10%) | no or imperceptible deterioration | low |
Residential and commercial development | tourism and recreation areas | likely in short term (within 4 years) | small area/few individuals (<10%) | no or imperceptible deterioration | low |
Transportation and service corridors | shipping lanes | happening now | small area/few individuals (<10%) | slow but significant deterioration | low |
Condition of habitat (state) | ||||||
---|---|---|---|---|---|---|
Habitat | Habitat Detail | Reference Area (ha) | Actual Area (ha) | % of habitat remaining | % of carrying capacity (overall) | Result |
Other | 0 | 0 | good (> 90%) | moderate (70-90%) | near favourable |
Conservation actions taken at site (response) | |||
---|---|---|---|
Conservation Designation | Management Planning | Conservation Action | Result |
Whole area of site (>90%) covered by appropriate conservation designation | A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species | Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity | high |
Protected Area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) |
---|---|---|---|---|
Stag Island Provincial Nature Reserve | Nature Reserve | 2 | protected area contained by site | 0 |
Stag Island (Algoa Bay) | Unknown | 1 | protected area contained by site | 1 |
St. Croix Island (Algoa Bay) | Unknown | 14 | protected area contained by site | 14 |
Jahleel Island (Algoa Bay) | Unknown | 3 | protected area contained by site | 3 |
Brenton Island (Algoa Bay) | Unknown | 3 | protected area contained by site | 3 |
Bird Island | Other Area | 4 | protected area contained by site | 19 |
Algoa Bay Seal Island Provincial Nature Reserve | Nature Reserve | 5 | protected area contained by site | 1 |
Algoa Bay Black Rocks Provincial Nature Reserve | Nature Reserve | 1 | protected area contained by site | 1 |
Addo-Elephant National Park | National Park | 140,644 | protected area overlaps with site | 0 |
IUCN Habitat | Habitat detail | Extent (% of site) |
---|---|---|
Shrubland | - | |
Rocky areas (eg. inland cliffs, mountain peaks) | - | |
Marine Coastal/Supratidal | - |
Land-use | Extent (% of site) |
---|---|
nature conservation and research | - |
Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Algoa Bay Islands: Addo Elephant National Park. Downloaded from
http://www.birdlife.org on 09/02/2023.