SN002
Ndiaël basin (including the Trois Marigots)


IBA Justification

The site was identified as important in 2019 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
Fulvous Whistling-duck Dendrocygna bicolor LC non-breeding 2014-2017 308-576 individuals B3a
Egyptian Goose Alopochen aegyptiaca LC non-breeding 2014-2017 59-88 individuals B3a
Black Stork Ciconia nigra LC winter 2014-2017 41-109 individuals B3a
Eurasian Spoonbill Platalea leucorodia LC winter 2014-2017 209-563 individuals B3a
Black-crowned Night Heron Nycticorax nycticorax LC non-breeding 2014-2017 2,863-8,540 individuals B3a
Squacco Heron Ardeola ralloides LC non-breeding 2014-2017 85-94 individuals B3a
Black-tailed Godwit Limosa limosa NT winter 2014-2017 196-419 individuals B1a
A4iii Species group - waterbirds n/a winter 1993-1998 100,000-499,999 individuals A4iii

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2019) may differ.


IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2019. The most recent assessment (2001) is shown below.

IBA conservation assessment
Year of assessment State Pressure Response
2001 not assessed low not assessed
Whole site assessed? State assessed by Accuracy of information
yes unset good

Pressure (threats to the trigger species and/or their habitats)
Threat Timing Scope Severity Result
No known threats happening now small area/few individuals (<10%) no or imperceptible deterioration low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas Management plan Other action Result
Not assessed Not assessed Not assessed not assessed

IBA Protection

Year Protected Area Designation % overlap with IBA
- Foret de Keur Momar Sarr Forest Reserve 32
- Ndiael Wildlife Reserve 33
- Foret de Tilene et Ndiaye Forest Reserve 2
- Foret de Mpal Forest Reserve 1
1977 Bassin du Ndiaël Ramsar Site, Wetland of International Importance 7

Habitats

Habitat1 Habitat detail % of IBA
Grassland 79
Artificial/Terrestrial 12
Desert 4
Wetlands (inland) 3
1. IUCN Habitat classification.

Land use

Land use % of IBA
agriculture -
fisheries/aquaculture -
hunting -
nature conservation and research -
water management -


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Ndiaël basin (including the Trois Marigots) (Senegal). Downloaded from https://datazone.birdlife.org/site/factsheet/ndiaël-basin-(including-the-trois-marigots)-iba-senegal on 23/11/2024.