GW005
Ilha de Bolama - Rio Grande de Buba


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
Pink-backed Pelican Pelecanus rufescens LC non-breeding 2017 961 individuals A4, B3a
Bar-tailed Godwit Limosa lapponica NT winter 2017 335 individuals B1a
Red Knot Calidris canutus NT winter 2017 96 individuals B1a
Curlew Sandpiper Calidris ferruginea VU winter 2017 96 individuals B1a
Common Gull-billed Tern Gelochelidon nilotica LC winter 2017 335 individuals B3a

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
no unset -

Pressure (threats to the trigger species and/or their habitats)
Threat Timing Scope Severity Result
Agricultural expansion and intensification happening now small area/few individuals (<10%) slow but significant 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
1996 Bolama - Bijagós UNESCO-MAB Biosphere Reserve 100
1996 Bijagos Archipelago Biosphere Reserve Biosphere Reserve 62

Habitats

Habitat1 Habitat detail % of IBA
Forest 100
1. IUCN Habitat classification.

Land use

Land use % of IBA
agriculture -
nature conservation and research -


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Ilha de Bolama - Rio Grande de Buba (Guinea-Bissau). Downloaded from https://datazone.birdlife.org/site/factsheet/ilha-de-bolama--rio-grande-de-buba-iba-guinea-bissau on 23/11/2024.