Banzu and Futtsu tidal flat

IBA Criteria

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 estimate IBA Criteria Triggered
Greater Scaup Aythya marila LC winter 2003 present A4i
Kentish Plover Charadrius alexandrinus LC resident 2003 present A4i
Sanderling Calidris alba LC winter 2003 present A4i
Grey-tailed Tattler Tringa brevipes NT passage 2003 present A4i

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2015 low not assessed low
Was the whole site covered? No State assessed by unset
Accuracy of information -

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Human intrusions and disturbance recreational activities happening now small area/few individuals (<10%) moderate to rapid deterioration low

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Little/none of site covered (<10%) A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity low
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Minamiboso 国定公園 5,690 protected area overlaps with site 0
Futtsu misaki 都道府県指定鳥獣保護区 288 protected area is adjacent to site 0
Common fishery right area(Chiba) 共同漁業権区域 106,306 protected area overlaps with site 0
Banzu and Futtsu Prefectural Wildlife Protection Area 0 protected area overlaps with site 0


IUCN Habitat Habitat detail Extent (% of site)
Wetlands (inland) -
For further information about the habitat classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Banzu and Futtsu tidal flat. Downloaded from on 25/06/2022.