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Year of most recent IBA criteria assessment: 2001

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
Madagascar Teal Anas bernieri	EN	resident	1993-1994	35 individuals	A1, A2, A3
Lesser Flamingo Phoeniconaias minor	NT	non-breeding	1993-1994	present	A1
Giant Coua Coua gigas	LC	resident	1993-1994	present	A3
Coquerel's Coua Coua coquereli	LC	resident	1993-1994	present	A2, A3
African Spoonbill Platalea alba	LC	non-breeding	1993-1994	401 individuals	A4i
Madagascar Crested Ibis Lophotibis cristata	NT	resident	1993-1994	present	A1
Madagascar Pond-heron Ardeola idae	EN	breeding	1993-1994	present	A1
Madagascar Heron Ardea humbloti	EN	resident	1993-1994	440 individuals	A1, A2, A3, A4i
Black-banded Plover Charadrius thoracicus	VU	resident	1993-1994	present	A1, A2, A3
Madagascar Jacana Actophilornis albinucha	EN	resident	1993-1994	present	A2
Henst's Goshawk Accipiter henstii	VU	resident	1993-1994	present	A1
Madagascar Fish-eagle Haliaeetus vociferoides	CR	resident	1995	10 breeding pairs	A1, A2, A3
Sickle-billed Vanga Falculea palliata	LC	resident	1993-1994	present	A3
Sakalava Weaver Ploceus sakalava	LC	resident	1993-1994	present	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
Biological resource use	fishing & harvesting aquatic resources - persecution/control	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high
Biological resource use	hunting & collecting terrestrial animals - motivation unknown/unrecorded	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high
Biological resource use	logging & wood harvesting - intentional use: subsistence/small scale	happening now	small area/few individuals (<10%)	moderate to rapid deterioration	low
Biological resource use	logging & wood harvesting - unintentional effects: subsistence/small scale	happening now	small area/few individuals (<10%)	moderate to rapid deterioration	low
Natural system modifications	fire & fire suppression - trend unknown/unrecorded	happening now	small area/few individuals (<10%)	very rapid to severe deterioration	low
Pollution	agricultural & forestry effluents - soil erosion, sedimentation	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
Forest		13900	29400	-	moderate (70-90%)	near favourable
Wetlands (inland)	Freshwater lakes and pools	7491	7333	-	moderate (70-90%)	near favourable
Wetlands (inland)	Mangroves	0	0	moderate (70-90%)	poor (40-69%)	very unfavourable

Condition of key/trigger populations (state)
Scientific	Common	TargetPop	ActualPop	Units	Remaining	Result
Anas bernieri	Madagascar Teal	35	0	individuals	0	not assessed

Conservation actions taken at site (response)
Conservation Designation	Management Planning	Conservation Action	Result
Unknown	A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	Unknown	low

For more information about IBA monitoring please click here

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Tsimembo	Paysage Harmonieux Protégé	13,900	protected area contained by site	13,900
Complexe des lacs de Manambolomaty	Ramsar Site, Wetland of International Importance	7,491	protected area contained by site	7,491

IUCN Habitat	Habitat detail	Extent (% of site)
Forest	Mangrove, Lowland forest - dry deciduous	-
Wetlands (inland)	Freshwater lakes and pools	-
Marine Intertidal		-

For further information about the habitat classification please click here.

Land-use	Extent (% of site)
agriculture	-
forestry	-
nature conservation and research	-
water management	-

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

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Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Manambolomaty wetland complex and Tsimembo Classified Forest. Downloaded from http://www.birdlife.org on 21/03/2023.