Tench Marine


Country/territory: Papua New Guinea

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

Area: 2,027,350 ha

Protection status:

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


Site description
The site boundary is based upon a seaward extension of 80 km around Tench to encompass the foraging range of IBA threshold numbers of Brown Noddy based upon a 1973 population estimate of 80,000 individuals, and Black Noddy based upon a 1973 population estimate of 20,000 individuals from Silva, K. (1973) Observations. PNG Bird Society Newsletter, 89: 2-3.

Key biodiversity
The site boundary is based upon a seaward extension of 80 km around Tench to encompass the foraging range of IBA threshold numbers of Brown Noddy based upon a 1973 population estimate of 80,000 individuals, and Black Noddy based upon a 1973 population estimate of 20,000 individuals from Silva, K. (1973) Observations. PNG Bird Society Newsletter, 89: 2-3.


Recommended citation
BirdLife International (2019) Important Bird Areas factsheet: Tench Marine. Downloaded from http://www.birdlife.org on 21/07/2019.