Matsumae islets (Japan) - BirdLife IBA factsheet

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Matsumae islets

Current view: Data table and detailed info

IBA Justification

The site was identified as important 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 List¹	Season	Year(s)	Size	IBA criteria
Black-tailed Gull Larus crassirostris	LC	breeding	2003	present	A4i
Rhinoceros Auklet Cerorhinca monocerata	LC	breeding	2003	present	A4ii
A4iii Species group - seabirds	n/a	breeding	2003	min 10,000 breeding pairs	A4iii

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2004) may differ.

IBA Conservation

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.

IBA conservation assessment
Year of assessment	State	Pressure	Response
2015	not assessed	low	low
Whole site assessed?	State assessed by	Accuracy of information
yes	unset	-

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Geological events	likely in long term (beyond 4 years)	whole area/population (>90%)	no or imperceptible deterioration	low
Human intrusions and disturbance	likely in long term (beyond 4 years)	some of area/population (10-49%)	no or imperceptible deterioration	low
Pollution	likely in long term (beyond 4 years)	some of area/population (10-49%)	no or imperceptible deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Whole area of site (>90%) covered by appropriate conservation designation	No management planning has taken place	Very little or no conservation action taking place	low

IBA Protection

Year	Protected Area	Designation	% overlap with IBA
-	Matsumae Prectural National Park	Other	-
-	Matsumae National Monument	Other	-
-	Matsumae Wildlife Protection Area (Local)	Other	-
1968	Matsumae yagoshi	都道府県立自然公園	100
1974	Matsumae (Hokkaido)	Fisheries Resources Protected Area	-
1980	Kojima	都道府県指定鳥獣保護区	100

Habitats

Habitat¹	Habitat detail	% of IBA
Grassland		-
Marine Coastal/Supratidal		-

1. IUCN Habitat classification.

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Matsumae islets (Japan). Downloaded from https://datazone.birdlife.org/site/factsheet/matsumae-islets-iba-japan on 23/11/2024.