Pacific, Western Central 4 - Marine (High Seas) IBA | Details

Pacific, Western Central 4 - Marine

Current view: Details

IBA Justification

The site was identified as internationally important for bird conservation in 2012 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.

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

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Streaked Shearwater Calonectris leucomelas	NT	non-breeding (2004)	698,276–1,551,724 individuals	A4ii

IBA Conservation

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.

IBA conservation status
Year of assessment	State	Pressure	Response
2012	favourable	medium	not assessed
Whole site assessed?	State assessed by	Accuracy of information
yes	habitat	poor

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

Pressure (threats to the key species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Pollution	happening now	some of population/area (10–49%)	slow deterioration (1–10% over 3 generations)	medium
Climate change and severe weather	likely in long term (beyond 4 years)	most of population/area (50–90%)	no deterioration (<1% over 3 generations)	low

Response (conservation actions taken for the key species and/or their habitats)
Designation	Planning	Action	Result
Not assessed	Not assessed	Not assessed	not assessed

Habitats

Habitat	% of IBA	Habitat detail
Marine Neritic	100

Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Pacific, Western Central 4 - Marine (High Seas). Downloaded from https://datazone.birdlife.org/site/factsheet/pacific-western-central-4--marine-iba-high-seas on 15/01/2025.