BirdLife Data Zone

JP141

Isahaya bay

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'):

Species	Current IUCN Red List Category	Season	Year(s)	Population estimate at site	IBA criteria met
Greater Scaup Aythya marila	LC	winter	2003	present	A4i
A4iii Species group - waterbirds	n/a	winter	2003	min 20,000 individuals	A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2004).

IBA Conservation

IBA conservation assessment
Year of assessment (most recent)	State (condition)	Pressure (threat)	Response (action)
2015	not assessed	not assessed	negligible
Was the whole site assessed?	State assessed by	Accuracy of information
yes	unset	-

Response (conservation actions taken for the trigger species and/or their habitats)
Protected-area designation	Management planning	Other conservation action	Result
Little/none of site covered (<10%)	No management planning has taken place	Very little or no conservation action taking place	negligible

For more information about IBA conservation status, please click here

IBA Protection

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Honmyogawa	都道府県指定鳥獣保護区	2,445	protected area overlaps with site	0
Common fishery right area(Nagasaki)	共同漁業権区域	310,655	protected area overlaps with site	0

Habitats

Habitat (IUCN level 1)	Habitat detail	Extent (% of site)
Wetlands (inland)	Intertidal mud, sand or salt flats	-

For more information about the IUCN Habitat classification, please click here.

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Isahaya bay. Downloaded from http://datazone.birdlife.org/site/factsheet/isahaya-bay-iba-japan on 30/09/2023.