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The site was identified as important in 2012 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
Polynesian Storm-petrel Nesofregetta fuliginosa	EN	resident	1990	2 individuals	A1
Herald Petrel Pterodroma heraldica	LC	resident	1975	800-1,200 breeding pairs	A4ii
Phoenix Petrel Pterodroma alba	VU	breeding	1989	32-62 breeding pairs	A1, A4ii
Tropical Shearwater Puffinus bailloni	LC	breeding	1998	1,000-2,000 breeding pairs	A4ii
Sooty Tern Onychoprion fuscatus	LC	breeding	-	1,000,000-1,500,000 individuals	A4i

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2012) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2012. The most recent assessment (2012) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Marine Neritic	good (> 90%)	good (> 90%)	favourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Biological resource use	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Pollution	happening now	majority/most of area/population (50-90%)	no or imperceptible deterioration	low
Climate change and severe weather	likely in long term (beyond 4 years)	whole area/population (>90%)	no or imperceptible deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Some of site covered (10-49%)	No management planning has taken place	Very little or no conservation action taking place	negligible

Habitat1	Habitat detail	% of IBA
Marine Neritic		100

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Marquesas Marin (French Polynesia). Downloaded from https://datazone.birdlife.org/site/factsheet/marquesas-marin-iba-french-polynesia on 22/11/2024.