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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
Tundra Swan Cygnus columbianus	LC	winter	2003	present	A4i
A4iii Species group - waterbirds	n/a	winter	2003	min 20,000 individuals	A4iii

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 (2015) is shown below.

State (condition of the trigger species' habitats)
Habitat	Quantity (% remaining)	Quality (% carrying capacity)	Result
Wetlands (inland)	good (> 90%)	moderate (70-90%)	near favourable

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Pollution	happening now	majority/most of area/population (50-90%)	slow but significant deterioration	high
Climate change and severe weather	happening now	whole area/population (>90%)	slow but significant deterioration	high
Energy production and mining	likely in short term (within 4 years)	majority/most of area/population (50-90%)	slow but significant deterioration	medium
Invasive and other problematic species and genes	happening now	small area/few individuals (<10%)	slow but significant deterioration	low
Biological resource use	past (and unlikely to return) and no longer limiting	some of area/population (10-49%)	no or imperceptible deterioration	low

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Whole area of site (>90%) covered by appropriate conservation designation	A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	The conservation measures needed for the site are being comprehensively and effectively implemented	high

Year	Protected Area	Designation	% overlap with IBA
1968	Kita okhotsk	都道府県立自然公園	93
1983	Hamatonbetsu-Kutcharoko	国指定鳥獣保護区	100
1989	Kutcharo-ko	Ramsar Site, Wetland of International Importance	57

Habitat1	Habitat detail	% of IBA
Wetlands (inland)		-

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Lake Kuccharo (Japan). Downloaded from https://datazone.birdlife.org/site/factsheet/lake-kuccharo-iba-japan on 24/11/2024.