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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
Baikal Teal Sibirionetta formosa	LC	winter (2003)	present	A1
Sanderling Calidris alba	LC	winter (2003)	present	A4i
A4iii Species group - waterbirds	n/a	winter (2003)	min 20,000 birds	A4iii

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2004. The most recent assessment (2010) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Natural system modifications	likely in long term (>4 years)	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
Some of area covered (10–49%)	Unknown	Unknown	very low

Year	Protected Area	Designation (management category)	% coverage of IBA
1961	Takamatsu	都道府県指定鳥獣保護区 (IV)	2
1972	Senkoji	都道府県指定鳥獣保護区 (IV)	1
1973	Kahokugata	都道府県指定鳥獣保護区 (IV)	16
1993	Kahoku kaigan	都道府県指定鳥獣保護区 (IV)	6

Habitat	% of IBA	Habitat detail
Marine Coastal/Supratidal	major (>10)
Marine Intertidal	major (>10)

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Kahokugata, Takamatsu coast (Japan). Downloaded from https://datazone.birdlife.org/site/factsheet/kahokugata-takamatsu-coast-iba-japan on 23/12/2024.