ZA083
Berg River Estuary


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
Cape Shoveler Spatula smithii LC non-breeding - 113-603 individuals A4i
Greater Flamingo Phoenicopterus roseus LC non-breeding - 1,564-3,932 individuals A4i
African Spoonbill Platalea alba LC resident - 20-50 breeding pairs A4i
African Spoonbill Platalea alba LC non-breeding - 152-294 individuals A4i
Pied Avocet Recurvirostra avosetta LC non-breeding - 236-2,273 individuals A4i
Kittlitz's Plover Charadrius pecuarius LC resident - 200-400 breeding pairs A4i
Kittlitz's Plover Charadrius pecuarius LC non-breeding - 496-1,087 individuals A4i
Curlew Sandpiper Calidris ferruginea NT winter - 8,281-16,881 individuals A4i
Hartlaub's Gull Larus hartlaubii LC breeding - 500-670 breeding pairs A4i
Hartlaub's Gull Larus hartlaubii LC non-breeding - 1,341-2,030 individuals A4i
Kelp Gull Larus dominicanus LC breeding - 250-500 breeding pairs A4i
Kelp Gull Larus dominicanus LC non-breeding - 657-1,640 individuals A4i
Caspian Tern Hydroprogne caspia LC non-breeding - 106-199 individuals A4i
White-winged Tern Chlidonias leucopterus LC winter - 394-2,623 individuals A4i
Sandwich Tern Thalasseus sandvicensis LC winter - 695-1,555 individuals A4i
Greater Crested Tern Thalasseus bergii LC non-breeding - 160-646 individuals A4i

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)
2013 high not assessed negligible
Was the whole site covered? No State assessed by unset
Accuracy of information medium

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Agricultural expansion and intensification annual & perennial non-timber crops - agro-industry farming happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Agricultural expansion and intensification livestock farming and ranching (includes forest grazing) - agro-industry grazing, ranching or farmin happening now some of area/population (10-49%) slow but significant deterioration medium
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%) slow but significant deterioration medium
Climate change and severe weather drought happening now majority/most of area/population (50-90%) slow but significant deterioration high
Energy production and mining mining and quarrying happening now small area/few individuals (<10%) slow but significant deterioration low
Energy production and mining renewable energy likely in short term (within 4 years) some of area/population (10-49%) moderate to rapid deterioration medium
Human intrusions and disturbance recreational activities happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Human intrusions and disturbance work and other activities happening now some of area/population (10-49%) slow but significant deterioration medium
Invasive and other problematic species and genes introduced genetic material happening now 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%) moderate to rapid deterioration high
Invasive and other problematic species and genes problematic native 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 - unspecified species happening now some of area/population (10-49%) moderate to rapid deterioration high
Natural system modifications dams & water management/use - large dams happening now some of area/population (10-49%) moderate to rapid deterioration high
Natural system modifications fire & fire suppression - increase in fire frequency/intensity likely in short term (within 4 years) some of area/population (10-49%) moderate to rapid deterioration medium
Pollution agricultural & forestry effluents - nutrient loads happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Pollution air-borne pollutants - type unknown/unrecorded happening now some of area/population (10-49%) slow but significant deterioration medium
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 likely in short term (within 4 years) some of area/population (10-49%) slow but significant deterioration medium
Pollution garbage & solid waste happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Pollution industrial & military effluents - type unknown/unrecorded likely in short term (within 4 years) some of area/population (10-49%) moderate to rapid deterioration medium
Residential and commercial development commercial and industrial development happening now some of area/population (10-49%) moderate to rapid deterioration high
Residential and commercial development housing and urban areas happening now some of area/population (10-49%) slow but significant deterioration medium
Residential and commercial development tourism and recreation areas happening now some of area/population (10-49%) slow but significant deterioration medium
Transportation and service corridors flight paths happening now some of area/population (10-49%) no or imperceptible deterioration low
Transportation and service corridors roads and railroads happening now some of area/population (10-49%) moderate to rapid deterioration high
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
Wetlands (inland) 0 0 moderate (70-90%) poor (40-69%) very unfavourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Little/none of site covered (<10%) No management planning has taken place Very little or no conservation action taking place negligible
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Cape West Coast Biosphere Reserve UNESCO-MAB Biosphere Reserve 386,161 protected area overlaps with site 6,621

Local conservation groups

The local conservation groups below are working to support conservation at this IBA.

Name Year formed
Botanical society 0
Heritage society 0
Lower berg river conservation association 0
West coast bird club 0
For more information on BirdLife's work with Local conservation groups please click here.

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Wetlands (inland) Salt marshes, Saltpans -
Rocky areas (eg. inland cliffs, mountain peaks) -
Grassland -
For further information about the habitat classification please click here.

Land use

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


Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Berg River Estuary. Downloaded from http://www.birdlife.org on 21/01/2022.