Ata Island Marine


Country/territory: Tonga

IBA Criteria met: A4ii, A4iii (2012)
For more information about IBA criteria please click here

Area: 1,811,541 ha

Protection status:

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2012 medium favourable negligible
For more information about IBA monitoring please click here


Site description
The site boundary is based upon a seaward extension of 15 km around Ata Island to encompass the foraging range or high use and transit areas of IBA threshold numbers of seabirds based upon a 1990 population estimate of 31,000 - 61,000 individuals and waterbirds based upon a 1990 population estimate of 20,000 individuals from Rinke, D. (1991) Birds of 'Ata and Late, and additional notes on the avifauna of Niuafo'ou, Kingdom of Tonga. Notornis, 38: 131-151.

Key biodiversity
The site boundary is based upon a seaward extension of 15 km around Ata Island to encompass the foraging range or high use and transit areas of IBA threshold numbers of seabirds based upon a 1990 population estimate of 31,000 - 61,000 individuals and waterbirds based upon a 1990 population estimate of 20,000 individuals from Rinke, D. (1991) Birds of 'Ata and Late, and additional notes on the avifauna of Niuafo'ou, Kingdom of Tonga. Notornis, 38: 131-151.


Recommended citation
BirdLife International (2019) Important Bird Areas factsheet: Ata Island Marine. Downloaded from http://www.birdlife.org on 19/10/2019.