ZA068
Dwesa-Cwebe Nature Reserve


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
Knysna Turaco Tauraco corythaix LC resident 1998 present A2, A3
African Oystercatcher Haematopus moquini LC non-breeding - present A1
Knysna Woodpecker Campethera notata NT resident 1998 present A1, A2
Grey Cuckooshrike Ceblepyris caesius LC resident 1998 present A3
Olive Bush-shrike Chlorophoneus olivaceus LC resident 1998 present A3
Yellow-throated Woodland-warbler Phylloscopus ruficapilla LC resident 1998 present A3
Spotted Ground-thrush Geokichla guttata VU breeding - present A1
Brown Scrub-robin Tychaedon signata LC resident 1998 present A2
White-starred Robin Pogonocichla stellata LC resident 1998 present A3
Chorister Robin-chat Cossypha dichroa LC resident 1998 present A2, A3
Swee Waxbill Coccopygia melanotis LC resident 1998 present A3
Forest Canary Crithagra scotops LC resident 1998 present A2, A3

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 medium very unfavourable medium
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 annual & perennial non-timber crops - small-holder farming happening now small area/few individuals (<10%) slow but significant deterioration low
Agricultural expansion and intensification livestock farming and ranching (includes forest grazing) - nomadic grazing happening now some of area/population (10-49%) slow but significant deterioration medium
Agricultural expansion and intensification livestock farming and ranching (includes forest grazing) - small-holder grazing, ranching or farming happening now small area/few individuals (<10%) no or imperceptible deterioration low
Biological resource use fishing & harvesting aquatic resources - intentional use: lg scale happening now small area/few individuals (<10%) no or imperceptible deterioration low
Biological resource use fishing & harvesting aquatic resources - intentional use: subsistence/sml scale likely in short term (within 4 years) small area/few individuals (<10%) no or imperceptible deterioration low
Biological resource use gathering terrestrial plants - unintentional effects (species being assessed is not the target) happening now small area/few individuals (<10%) slow but significant deterioration low
Biological resource use hunting & collecting terrestrial animals - intentional use (species being assessed is the target) happening now small area/few individuals (<10%) no or imperceptible deterioration low
Biological resource use logging & wood harvesting - unintentional effects: subsistence/small scale happening now small area/few individuals (<10%) slow but significant deterioration low
Climate change and severe weather drought likely in short term (within 4 years) majority/most of area/population (50-90%) slow but significant deterioration medium
Climate change and severe weather storms and floods likely in short term (within 4 years) majority/most of area/population (50-90%) slow but significant deterioration medium
Energy production and mining oil and gas drilling likely in short term (within 4 years) small area/few individuals (<10%) slow but significant deterioration low
Human intrusions and disturbance recreational activities 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 small area/few individuals (<10%) slow but significant deterioration low
Natural system modifications dams & water management/use - abstraction of surface water (domestic use) happening now small area/few individuals (<10%) slow but significant deterioration low
Natural system modifications fire & fire suppression - suppression in fire frequency/intensity happening now some of area/population (10-49%) slow but significant deterioration medium
Pollution agricultural & forestry effluents - herbicides and pesticides happening now small area/few individuals (<10%) slow but significant deterioration low
Pollution domestic & urban waste water - type unknown/unrecorded happening now small area/few individuals (<10%) slow but significant deterioration low
Residential and commercial development tourism and recreation areas happening now small area/few individuals (<10%) 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

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

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Whole area of site (>90%) covered by appropriate conservation designation 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
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Dwesa-Cwebe Nature Reserve Nature Reserve 5,376 protected area overlaps with site 6,050
Dwesa-Cwebe Marine Protected Area Marine Protected Area 26,508 protected area overlaps with site 0

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Grassland Grassland - edaphic, wet -
Artificial/Terrestrial -
Forest -
Wetlands (inland) Rivers & streams -
Coastline Coral reefs & keys, Lagoons, Sand dunes & beaches, Sea cliffs & rocky shores -
For further information about the habitat classification please click here.

Land use

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


Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Dwesa-Cwebe Nature Reserve. Downloaded from http://www.birdlife.org on 29/05/2022.