ZA074
Algoa Bay Islands: Addo Elephant National Park


IBA Criteria

Year of most recent IBA criteria assessment: 1998

Populations of IBA trigger species
Species 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


IBA Monitoring

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
For more information about IBA monitoring please click here

IBA Protection

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

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Shrubland -
Rocky areas (eg. inland cliffs, mountain peaks) -
Marine Coastal/Supratidal -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
nature conservation and research -
For further information about the land use classification please click here.


Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Algoa Bay Islands: Addo Elephant National Park. Downloaded from http://www.birdlife.org on 28/01/2022.