BirdLife Data Zone

JP038

Mawarizeki and Sunazawa reservoir

Current view: Data table and detailed info

IBA Justification

Year of most recent IBA criteria assessment: 2004

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population at site	IBA criteria triggered
Tundra Swan Cygnus columbianus	LC	passage	2003	present	A4i
Bean Goose Anser fabalis	LC	passage	2003	present	A4i
Greater White-fronted Goose Anser albifrons	LC	passage	2003	present	A4i
Northern Pintail Anas acuta	LC	passage	2003	present	A4i

Note: The current IUCN Red List category may differ from the category that was valid at the time of IBA criteria assessment.

For more information about the IBA criteria, please click here

IBA Conservation

IBA conservation status - summary
Year of assessment (most recent)	Threat (pressure)	Condition (state)	Action (response)
2015	low	favourable	negligible
Was the whole site assessed?	yes	Condition (state) assessed by	habitat
Accuracy of information	-

Threats to the site (pressure)
Threat level 1	Threat level 2	Timing	Scope	Severity	Result
No known threats	no known threats	past (and unlikely to return) and no longer limiting	small area/few individuals (<10%)	no or imperceptible deterioration	low

Condition of the site (state), by habitat
Habitat	Habitat detail	Reference area (ha)	Actual area (ha)	Habitat quantity (% remaining)	Habitat quality (carrying capacity)	Result
Artificial/Terrestrial		0	0	good (> 90%)	good (> 90%)	favourable

Conservation actions taken at the site (response)
Protected-area designation	Management planning	Other conservation action	Result
Little/none of site covered (<10%)	No management planning has taken place	Some limited conservation initiatives are in 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)
Sunazawa	都道府県指定鳥獣保護区	41	protected area overlaps with site	0
Mawarizeki	都道府県指定鳥獣保護区	245	protected area overlaps with site	0

Habitats

IUCN Habitat	Habitat detail	Extent (% of site)
Artificial/Terrestrial	Rice paddies	-
Wetlands (inland)	Artificial wetlands	-

For further information about the IUCN habitat classification, please click here.

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Mawarizeki and Sunazawa reservoir. Downloaded from http://datazone.birdlife.org/site/factsheet/15144 on 05/06/2023.