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The site was identified as important in 2001 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 List1	Season	Year(s)	Size	IBA criteria
African Openbill Anastomus lamelligerus	LC	non-breeding	1996	1,020 individuals	A4i
White-crested Tiger-heron Tigriornis leucolopha	LC	resident	1998	present	A3
Black Tern Chlidonias niger	LC	winter	1997	2,451 individuals	A4i
West African Pied Hornbill Lophoceros semifasciatus	LC	resident	1998	present	A3
Rosy Bee-eater Merops malimbicus	LC	breeding	1998	present	A3
Chestnut-winged Starling Onychognathus fulgidus	LC	resident	1998	present	A3
Chestnut-and-black Weaver Ploceus castaneofuscus	LC	resident	1998	present	A3
Red-vented Malimbe Malimbus scutatus	LC	resident	1998	present	A3
Red-headed Malimbe Malimbus rubricollis	LC	resident	1998	present	A3

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2001) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2001. The most recent assessment (2022) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Biological resource use	happening now	majority/most of area/population (50-90%)	very rapid to severe deterioration	very high
Transportation and service corridors	happening now	whole area/population (>90%)	moderate to rapid deterioration	very high
Agricultural expansion and intensification	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Most of site (50-90%) covered (including the most critical parts for important bird species)	A management plan exists but it is out of date or not comprehensive	Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity	medium

Year	Protected Area	Designation	% overlap with IBA
2000	Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué	Ramsar Site, Wetland of International Importance	100

Habitat1	Habitat detail	% of IBA
Forest		47
Shrubland		21
Wetlands (inland)		14
Unknown		10
Artificial/Terrestrial		5

1. IUCN Habitat classification.

Land use	% of IBA
fisheries/aquaculture	-
forestry	-
nature conservation and research	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Lake Nokoué (Benin). Downloaded from https://datazone.birdlife.org/site/factsheet/lake-nokoué-iba-benin on 23/11/2024.