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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
Japanese Pygmy Woodpecker Picoides kizuki	LC	resident	2003	present	A3
Ashy Minivet Pericrocotus divaricatus	LC	breeding	2003	present	A3
Varied Tit Sittiparus varius	LC	resident	2003	present	A3
Japanese Thrush Turdus cardis	LC	breeding	2003	present	A3
Blue-and-white Flycatcher Cyanoptila cyanomelana	LC	breeding	2003	present	A3
Japanese Robin Larvivora akahige	LC	breeding	2003	present	A3
Japanese Accentor Prunella rubida	LC	resident	2003	present	A3
Japanese Grosbeak Eophona personata	LC	resident	2003	present	A3
Yellow Bunting Emberiza sulphurata	VU	breeding	2003	present	A3
Grey Bunting Emberiza variabilis	LC	resident	2003	present	A3

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

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
Pollution	agricultural & forestry effluents - herbicides and pesticides	happening now	small area/few individuals (<10%)	moderate to rapid deterioration	low

Condition of habitat (state)
Habitat	Habitat Detail	Reference Area (ha)	Actual Area (ha)	% of habitat remaining	% of carrying capacity (overall)	Result
Forest		0	0	good (> 90%)	moderate (70-90%)	near favourable

Conservation actions taken at site (response)
Conservation Designation	Management Planning	Conservation Action	Result
Most of site (50-90%) covered (including the most critical parts for important bird species)	No management planning has taken place	Very little or no conservation action taking place	low

For more information about IBA monitoring please click here

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Yoshigadaira Wetlands	Ramsar Site, Wetland of International Importance	887	protected area contained by site	0
Yakebita	都道府県指定鳥獣保護区	1,125	protected area contained by site	0
Torikabuto yama	都道府県自然環境保全地域	557	protected area contained by site	0
Takai	都道府県指定鳥獣保護区	5,058	protected area overlaps with site	0
Shiga kogen	都道府県指定鳥獣保護区	3,402	protected area contained by site	0
Shiga Highland	UNESCO-MAB Biosphere Reserve	13,000	protected area overlaps with site	0
Saburuyama	都道府県指定鳥獣保護区	4,446	protected area contained by site	0
Nozori	都道府県指定鳥獣保護区	1,365	protected area contained by site	0
Naebasan	都道府県指定鳥獣保護区	594	protected area contained by site	0
Naebasan	都道府県指定鳥獣保護区	4,188	protected area contained by site	0
Mikuni Line	緑の回廊	13,112	protected area overlaps with site	0
Kusatsu	都道府県指定鳥獣保護区	3,387	protected area overlaps with site	0
Komatsubara	都道府県自然環境保全地域	306	protected area contained by site	0
Kiyotsukyo	都道府県指定鳥獣保護区	1,467	protected area contained by site	0
Joshin'etsukogen	国立公園	188,072	protected area overlaps with site	103,000
Jigokudani	都道府県指定鳥獣保護区	600	protected area contained by site	0
Hoshi	都道府県指定鳥獣保護区	1,851	protected area overlaps with site	0
Higashi	都道府県指定鳥獣保護区	5,028	protected area overlaps with site	0
Asama	国指定鳥獣保護区	30,940	protected area overlaps with site	0
Asama	都道府県指定鳥獣保護区	20,294	protected area overlaps with site	0
Area around Mt. Saburuyama	森林生態系保護地域	12,793	protected area contained by site	0
Annandaira	都道府県指定鳥獣保護区	906	protected area contained by site	0

IUCN Habitat	Habitat detail	Extent (% of site)
Forest		-

For further information about the habitat classification please click here.

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Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Mounts Asama, Shirane and Tanigawa. Downloaded from http://www.birdlife.org on 24/05/2022.