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The site was identified as internationally important for bird conservation in 2004 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Japanese Woodpigeon Columba janthina	LC	resident (2003)	present	A2

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2004. The most recent assessment (2015) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Forest	good (>90%)	moderate (70–90%)	moderate

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Some of area covered (10–49%)	A compre­hensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	Some limited conservation initiatives are in place	low

Year	Protected Area	Designation (management category)	% coverage of IBA
1936	Daisen oki	国立公園 (V)	100
1965	Ama	都道府県指定鳥獣保護区 (IV)	1
1972	Yakihiyama	都道府県指定鳥獣保護区 (IV)	1
1978	Daimanji	都道府県指定鳥獣保護区 (IV)	1
1979	Okishakunage jiseirin	都道府県自然環境保全地域 (V)	<1
1981	Oki kokubunji	都道府県指定鳥獣保護区 (IV)	<1
2001	Shirashima	都道府県指定鳥獣保護区 (IV)	<1
2002	Kamenohara ike	都道府県指定鳥獣保護区 (IV)	<1

Habitat	% of IBA	Habitat detail
Forest	-
Marine Coastal/Supratidal	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Oki islands (Japan). Downloaded from https://datazone.birdlife.org/site/factsheet/oki-islands-iba-japan on 23/12/2024.