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Location High Seas
Central coordinates 157o 12.00' East  40o 3.00' South
IBA criteria A1, A4ii, A4iii
Area 5,105,978 ha
Year of IBA assessment 2012

Site description This Marine IBA is identified using tracking data. It falls within High Seas International Waters and the Pacific, Southwest FAO ocean region. The site covers an area of 51060 km2 and is 641 km away from the closet coastline. The depth ranges from 3169 to 5110 m, with a mean annual wind speed of 2.55 m/s, mean annual sea surface temperature falls between 15.07 and 17.01 °C and mean annual chlorophyll-a concentrations found to range between 0.27 and 0.53 mg/m3.

Key Biodiversity 3 species trigger IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 948-3791 individuals of Antipodean Albatross (VU) from Auckland Island/motu Maha are present at the site during the Post-guard (May-Mar) life-history stage. 23040-25600 individuals of Providence Petrel (VU) from Lord Howe Island are present at the site during the Pre-egg (Apr-May) life-history stage. 173-434 individuals of Wandering Albatross (VU) from Iles Kerguelen are present at the site during the Juvenile (Jan-Jun) life-history stage.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Wandering Albatross Diomedea exulans juvenile (non-breeding)  173-434 individuals  A1, A4ii  Vulnerable 
Antipodean Albatross Diomedea antipodensis post-guard  2000  948-3,791 individuals  A1, A4ii  Vulnerable 
Providence Petrel Pterodroma solandri pre-egg  2008  23,040-25,600 individuals  A1, A4ii  Vulnerable 
A4iii Species group - seabirds breeding  23,040-25,600 individuals  A4iii   

IBA Monitoring

2013 high not assessed not assessed

Biological resource use fishing & harvesting aquatic resources - unintentional effects: large scale happening now whole area/population (>90%) slow but significant deterioration high


IUCN habitat Habitat detail Extent (% of site)
Sea   100%

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Pacific, Southwest 11 - Marine. Downloaded from on 21/10/2016

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