Grand Lagon Sud Marin


Country/territory: New Caledonia (to France)

IBA Criteria met: A1, A4i, A4ii, A4iii (2012)
For more information about IBA criteria please click here

Area: 1,091,593 ha

Protection status:

Société Calédonienne d'Ornithologie
Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2012 high favourable negligible
For more information about IBA monitoring please click here


Site description
The site boundary is based upon a seaward extension of 25 km around Dent de Saint-Vincent to encompass high use and transit areas of IBA threshold numbers of Gould's Petrel based upon a 2007 population estimate of 4,000 - 8,000 breeding pairs from Spaggiari, J., Chartendrault, V. and Barre, N. (2007) Zones importantes pour la conservation des oiseaux de Nouvelle-Caledonie. Societe caledonienne d'ornitholoie - SCO et BirdLife International. Noumea, Nouvelle-Caledonie. 216pp; a seaward extension of 25 km around Massifs du Grand Sud - entre le mont Humboldt et la rivière Bleue to encompass high use and transit areas of IBA threshold numbers of Gould's Petrel based upon a 2004 population estimate of 1,000 - 10,000 breeding pairs from Brooke, M. (2004) Albatrossess and Petrels across the World. Oxford University Press, New York; a seaward extension of 3 km around Îlot Amédée to encompass foraging areas of IBA threshold numbers of Fairy Tern based upon a 2012 population estimate of 240 individuals from Baudat-Franceschi, J. (2012) Update on seabirds' IBAs in New Caledonia. SCO, 05/11/2012; a seaward extension of 18 km around Îlot Goélands to encompass foraging areas of IBA threshold numbers of Roseate Tern based upon a 2012 population estimate of 2,000 breeding pairs; and seaward extensions of 15 km around Îlot M’ba, Îlot M’bo, Îlot Signal and Îlot Ténia to encompass foraging areas of IBA threshold numbers of seabirds based upon 2012 population estimates of 30,800, 13,500, 14,200 and 18,900 breeding pairs respectively from Baudat-Franceschi, J. (2012) Preliminary update on seabirds’ IBAs in New Caledonia. Unpublished report of work funded by the Packard Foundation, DENV - province Sud and DDEE - province Nord.

Key biodiversity
The site boundary is based upon a seaward extension of 25 km around Dent de Saint-Vincent to encompass high use and transit areas of IBA threshold numbers of Gould's Petrel based upon a 2007 population estimate of 4,000 - 8,000 breeding pairs from Spaggiari, J., Chartendrault, V. and Barre, N. (2007) Zones importantes pour la conservation des oiseaux de Nouvelle-Caledonie. Societe caledonienne d'ornitholoie - SCO et BirdLife International. Noumea, Nouvelle-Caledonie. 216pp; a seaward extension of 25 km around Massifs du Grand Sud - entre le mont Humboldt et la rivière Bleue to encompass high use and transit areas of IBA threshold numbers of Gould's Petrel based upon a 2004 population estimate of 1,000 - 10,000 breeding pairs from Brooke, M. (2004) Albatrossess and Petrels across the World. Oxford University Press, New York; a seaward extension of 3 km around Îlot Amédée to encompass foraging areas of IBA threshold numbers of Fairy Tern based upon a 2012 population estimate of 240 individuals from Baudat-Franceschi, J. (2012) Update on seabirds' IBAs in New Caledonia. SCO, 05/11/2012; a seaward extension of 18 km around Îlot Goélands to encompass foraging areas of IBA threshold numbers of Roseate Tern based upon a 2012 population estimate of 2,000 breeding pairs; and seaward extensions of 15 km around Îlot M’ba, Îlot M’bo, Îlot Signal and Îlot Ténia to encompass foraging areas of IBA threshold numbers of seabirds based upon 2012 population estimates of 30,800, 13,500, 14,200 and 18,900 breeding pairs respectively from Baudat-Franceschi, J. (2012) Preliminary update on seabirds’ IBAs in New Caledonia. Unpublished report of work funded by the Packard Foundation, DENV - province Sud and DDEE - province Nord.


Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Grand Lagon Sud Marin. Downloaded from http://www.birdlife.org on 26/09/2020.