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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

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

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

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	-
Marine Neritic		-
Marine Coastal/Supratidal		-

For further information about the habitat classification please click here.

Land-use	Extent (% of site)
unknown	-
nature conservation and research	-

For further information about the land use classification please click here.

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Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Dwesa-Cwebe Nature Reserve. Downloaded from http://www.birdlife.org on 26/03/2023.