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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
Japanese Murrelet Synthliboramphus wumizusume	VU	breeding (2003)	present	A1

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

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Invasive and other problematic species and genes	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Whole area (>90%) covered by appropriate conservation designation	No management planning has taken place	Some limited conservation initiatives are in place	low

Year	Protected Area	Designation (management category)	% coverage of IBA
1972	Ashizuri uwakai	国立公園 (V)	100
2013	Common fishery right area(Kochi)	共同漁業権区域 (VI)	2

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

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