Pacific, Western Central 4 - Marine


Country/territory: High Seas

IBA Criteria met: (2012)
For more information about IBA criteria please click here

Area: 20,116,184 ha

Protection status:

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2012 medium favourable not assessed
For more information about IBA monitoring please click here


Site description
This Marine IBA is identified using tracking data. It falls within High Seas International Waters and the Pacific, Western FAO ocean region. The site covers an area of 201162 km2 and is 423 km away from the closet coastline. The depth ranges from 1987 to 4567 m, with a mean annual wind speed of 1.33 m/s, mean annual sea surface temperature falls between 28.3 and 29.04 °C and mean annual chlorophyll-a concentrations found to range between 0.07 and 0.12 mg/m3.

Key biodiversity
1 species triggers IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 698276-1551724 individuals of Streaked Shearwater (LC) from Japan are present at the site during the Non-breeding (Nov-Feb) life-history stage.


Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Pacific, Western Central 4 - Marine. Downloaded from http://www.birdlife.org on 28/02/2020.