ZA075
Swartkops Estuary - Redhouse and Chatty Saltpans


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 Oystercatcher Haematopus moquini LC non-breeding - frequent A1
Pied Avocet Recurvirostra avosetta LC non-breeding - 490 individuals A4i
Ruddy Turnstone Arenaria interpres LC winter - 363 individuals A4i
Kelp Gull Larus dominicanus LC breeding - 430 breeding pairs A4i
Kelp Gull Larus dominicanus LC non-breeding - 1,112 individuals A4i
A4iii Species group - waterbirds n/a unknown - 20,000 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)
2012 very high very unfavourable low
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 livestock farming and ranching (includes forest grazing) - small-holder grazing, ranching or farming happening now some of area/population (10-49%) slow but significant deterioration medium
Agricultural expansion and intensification marine and freshwater aquaculture - industrial aquaculture happening now small area/few individuals (<10%) slow but significant deterioration low
Biological resource use fishing & harvesting aquatic resources - unintentional effects: subsistence/small scale happening now some of area/population (10-49%) slow but significant deterioration medium
Biological resource use hunting & collecting terrestrial animals - intentional use (species being assessed is the target) happening now some of area/population (10-49%) moderate to rapid deterioration high
Biological resource use hunting & collecting terrestrial animals - intentional use (species being assessed is the target) happening now some of area/population (10-49%) moderate to rapid deterioration high
Climate change and severe weather drought likely in long term (beyond 4 years) whole area/population (>90%) moderate to rapid deterioration high
Climate change and severe weather habitat shifting and alteration likely in long term (beyond 4 years) whole area/population (>90%) slow but significant deterioration medium
Climate change and severe weather storms and floods likely in long term (beyond 4 years) whole area/population (>90%) moderate to rapid deterioration high
Energy production and mining mining and quarrying happening now 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%) no or imperceptible deterioration low
Human intrusions and disturbance recreational activities happening now some of area/population (10-49%) slow but significant deterioration medium
Invasive and other problematic species and genes introduced genetic material likely in short term (within 4 years) small area/few individuals (<10%) no or imperceptible deterioration low
Invasive and other problematic species and genes invasive non-native/alien species/diseases - unspecified species happening now small area/few individuals (<10%) slow but significant deterioration low
Natural system modifications dams & water management/use - large dams happening now majority/most of area/population (50-90%) very rapid to severe deterioration very high
Natural system modifications fire & fire suppression - increase in fire frequency/intensity likely in short term (within 4 years) small area/few individuals (<10%) no or imperceptible deterioration low
Pollution agricultural & forestry effluents - herbicides and pesticides happening now some of area/population (10-49%) slow but significant deterioration medium
Pollution agricultural & forestry effluents - type unknown/unrecorded happening now some of area/population (10-49%) slow but significant deterioration medium
Pollution domestic & urban waste water - run-off happening now majority/most of area/population (50-90%) very rapid to severe deterioration very high
Pollution excess energy - light pollution happening now whole area/population (>90%) no or imperceptible deterioration low
Pollution excess energy - noise pollution happening now whole area/population (>90%) no or imperceptible deterioration low
Pollution garbage & solid waste happening now whole area/population (>90%) moderate to rapid deterioration very high
Pollution industrial & military effluents - type unknown/unrecorded happening now whole area/population (>90%) moderate to rapid deterioration very high
Residential and commercial development commercial and industrial development happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Residential and commercial development housing and urban areas happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Residential and commercial development tourism and recreation areas happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
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%) moderate to rapid deterioration high

Condition of habitat (state)
Habitat Habitat Detail Reference Area (ha) Actual Area (ha) % of habitat remaining % of carrying capacity (overall) Result
Shrubland 0 0 moderate (70-90%) moderate (70-90%) unfavourable
Wetlands (inland) 0 0 moderate (70-90%) poor (40-69%) very unfavourable

Condition of key/trigger populations (state)
Scientific Common TargetPop ActualPop Units Remaining Result
Haematopus moquini African Oystercatcher 48 55 individuals 100 favourable
Arenaria interpres Ruddy Turnstone 363 601 individuals 100 favourable
Larus dominicanus Kelp Gull 1112 1436 individuals 100 favourable
Hydroprogne caspia Caspian Tern 105 22 individuals 21 very unfavourable
Chlidonias hybrida Whiskered Tern 243 243 individuals 100 favourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Some of site covered (10-49%) A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species Some limited conservation initiatives are in place low
For more information about IBA monitoring please click here

IBA Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Zwartkops Valley Nature Reserve Nature Reserve 959 protected area overlaps with site 150

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Grassland -
Shrubland -
Wetlands (inland) Saltpans -
Forest -
For further information about the habitat classification please click here.

Land use

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


Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Swartkops Estuary - Redhouse and Chatty Saltpans. Downloaded from http://www.birdlife.org on 02/12/2020.