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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
Bean Goose Anser fabalis	LC	winter	2003	present	A4i
Red-crowned Crane Grus japonensis	VU	breeding	2003	present	A1, A3
Eastern Crowned Warbler Phylloscopus coronatus	LC	breeding	2003	present	A3

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 (2010) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
No known threats	happening now	whole area/population (>90%)	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%)	Unknown	Unknown	negligible

Year	Protected Area	Designation	% overlap with IBA
-	Lower Tokachigawa Wildlife Protection Area (Local)	Other	-
-	Lower Tokachigawa National Monument	Other	-

Habitat1	Habitat detail	% of IBA
Artificial/Terrestrial		major (>10)
Marine Coastal/Supratidal		minor (<10)
Marine Intertidal		minor (<10)
Wetlands (inland)	Rivers and streams, Raised and blanket bogs	minor (<10)

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Lower Tokachi river (Japan). Downloaded from https://datazone.birdlife.org/site/factsheet/lower-tokachi-river-iba-japan on 22/11/2024.