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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
Great Cormorant Phalacrocorax carbo	LC	breeding	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 (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
Pollution	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
Most of site (50-90%) covered (including the most critical parts for important bird species)	A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species	Some limited conservation initiatives are in place	medium

Year	Protected Area	Designation	% overlap with IBA
-	Unoyama National Monument	Other	-
1954	Unoyama	都道府県指定鳥獣保護区	90
1958	Mikawawan	国定公園	21
1968	Minamichita	都道府県立自然公園	78

Habitat1	Habitat detail	% of IBA
Forest		-
Wetlands (inland)	Freshwater lakes and pools	-

1. IUCN Habitat classification.

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