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The site was identified as internationally important for bird conservation in 1999 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Madagascar Teal Anas bernieri	EN	resident (1993–1994)	35 birds	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 birds	A4i
Madagascar Crested Ibis Lophotibis cristata	VU	resident (1993–1994)	present	A1
Malagasy Pond Heron Ardeola idae	EN	breeding (1993–1994)	present	A1
Madagascar Heron Ardea humbloti	EN	resident (1993–1994)	440 birds	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 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

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 1999. The most recent assessment (2017) is shown below.

State (condition of the trigger species' populations)
Species	Actual vs Reference (units)	% remaining	Result
Madagascar Teal Anas bernieri	0 / 35 (birds)	0	not assessed

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Forest	-	moderate (70–90%)	moderate
Wetlands (inland)	-	moderate (70–90%)	moderate

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Biological resource use	happe­ning now	most of popul­ation/area (50–90%)	moderate decline (10–30% over 3 gener­ations)	high
Pollution	happe­ning now	some of popul­ation/area (10–49%)	moderate decline (10–30% over 3 gener­ations)	high
Natural system modifications	happe­ning now	few indivi­duals/small area (<10%)	rapid decline (>30% over 3 gener­ations)	low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Unknown	A compre­hensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	Unknown	low

Year	Protected Area	Designation (management category)	% coverage of IBA
1963	Tsimembo	Paysage Harmonieux Protégé (V)	39
1998	Complexe des lacs de Manambolomaty	Ramsar Site, Wetland of International Importance (V)	21

Habitat	% of IBA	Habitat detail
Forest	major (>10)	Mangrove; Lowland forest - dry deciduous
Wetlands (inland)	major (>10)	Freshwater lakes and pools
Marine Intertidal	minor (<10)

Land use	% of IBA
agriculture	-
forestry	-
nature conservation and research	-
water management	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Manambolomaty wetland complex and Tsimembo Classified Forest (Madagascar). Downloaded from https://datazone.birdlife.org/site/factsheet/manambolomaty-wetland-complex-and-tsimembo-classified-forest-iba-madagascar on 23/12/2024.