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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
Pacific Golden Plover Pluvialis fulva	LC	passage	2003	present	A4i
Ruddy Turnstone Arenaria interpres	NT	passage	2003	present	A4i

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

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2004. The most recent assessment (2016) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Marine Intertidal	poor (40-69%)	poor (40-69%)	very unfavourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Residential and commercial development	happening now	majority/most of area/population (50-90%)	very rapid to severe deterioration	very high
Transportation and service corridors	happening now	small area/few individuals (<10%)	moderate to rapid deterioration	low
Human intrusions and disturbance	happening now	small area/few individuals (<10%)	slow but significant deterioration	low
Agricultural expansion and intensification	happening now	small area/few individuals (<10%)	no or imperceptible deterioration	low
Biological resource use	happening now	small area/few individuals (<10%)	no or imperceptible deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Little/none of site covered (<10%)	No management planning has taken place	Some limited conservation initiatives are in place	negligible

Year	Protected Area	Designation	% overlap with IBA
2003	Common fishery right area(Okinawa)	共同漁業権区域	88

Habitat1	Habitat detail	% of IBA
Marine Intertidal		major (>10)
Forest	Mangrove forest (tropical)	-

1. IUCN Habitat classification.

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