|Central coordinates||45o 9.00' West 60o 48.00' South|
|Altitude||0 - 250m|
|Year of IBA assessment||2011|
Site description The Robertson Islands group is separated from the southernmost point of Coronation Island by Whale Bay and The Divide, and comprises (from north to south): Matthews Island, Coffer Island, Steepholm Island, Skilling Island and Atriceps Island. The IBA covers all of Atriceps Island, which has an area of 110 ha.
Atriceps Island is ice-free for most of the year and has a maximum elevation of less than 250 m. Information on the environment at Atriceps Island is not available.. Conditions at nearby Signy Island are characterised by relatively low temperatures and high winds, With mean summer air temperatures between –2°C to 3°C, whilst during winter the mean monthy air temperature ranges from –2°C to –17° C (ASPA No. 114 Management Plan, 2003).
The nearest research station is Signy (UK), a summer-only facility located on the eastern coast of Signy Island 27 km northwest of the IBA, and which has capacity to accommodate ~10 people (COMNAP, Antarctic Facilities, accessed 31/08/2010).
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Phalacrocorax atriceps||breeding||1988||524 breeding pairs||-||A4i||Not Recognised|
Other biodiversity None known.
Protection status None
References ASPA No.111 Southern Powell Island, South Orkney Islands: Management Plan (1994).
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Recommended citation BirdLife International (2014) Important Bird Areas factsheet: Atriceps Island, Robertson Islands. Downloaded from http://www.birdlife.org on 24/10/2014
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