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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
Japanese Cormorant Phalacrocorax capillatus	LC	breeding	2003	present	A4i
Slaty-backed Gull Larus schistisagus	LC	breeding	2003	present	A4i
Blakiston's Eagle-owl Bubo blakistoni	EN	resident	2003	present	A1, A3
Steller's Sea-eagle Haliaeetus pelagicus	VU	winter	2003	present	A1
Middendorff's Grasshopper-warbler Helopsaltes ochotensis	LC	breeding	2003	present	A3
Kamchatka Leaf-warbler Phylloscopus examinandus	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 (2015) is shown below.

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

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Human intrusions and disturbance	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Invasive and other problematic species and genes	happening now	small area/few individuals (<10%)	slow but significant 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
1964	Shiretoko	国立公園	37
1980	Shari dake	都道府県立自然公園	2
1980	Onnebetsudake	原生自然環境保全地域	2
1982	Shiretoko	国指定鳥獣保護区	36
1984	Yoroushi	都道府県指定鳥獣保護区	<1
1990	Shiretoko	森林生態系保護地域	29
2001	Shiretoko Peninsula	緑の回廊	10
2005	Shiretoko	World Heritage Site (natural or mixed)	28

Habitat1	Habitat detail	% of IBA
Forest		major (>10)
Marine Coastal/Supratidal		major (>10)

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Shiretoko, Mount Syari-dake (Japan). Downloaded from https://datazone.birdlife.org/site/factsheet/shiretoko-mount-syari-dake-iba-japan on 23/11/2024.