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The site was identified as important in 2014 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
Black-billed Gull Larus bulleri	NT	breeding	1971-2011	320-952 breeding pairs	A1, A4i
Black-fronted Tern Chlidonias albostriatus	EN	breeding	1971-2011	39-92 breeding pairs	A1, A4i

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2014) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2014. The most recent assessment (2014) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Invasive and other problematic species and genes	happening now	some of area/population (10-49%)	moderate to rapid deterioration	high
Climate change and severe weather	likely in short term (within 4 years)	some of area/population (10-49%)	moderate to rapid deterioration	medium
Human intrusions and disturbance	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Natural system modifications	happening now	some of area/population (10-49%)	slow but significant deterioration	medium

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Not assessed	Not assessed	Not assessed	not assessed

Year	Protected Area	Designation	% overlap with IBA
-	West Wanaka Fish & Game	Conservation Covenant	3
-	Mt Aspiring/Tititea	Stewardship Area	1
-	Matukituki Bluffs & Easement	Conservation Covenant	<1
1964	Mount Aspiring National Park	National Park	3
1987	West Wanaka	Stewardship Area	1
1987	Aspiring Hut	Stewardship Area	<1
1987	Peninsula Farm	Stewardship Area	<1
1990	Te Wahipounamu – South West New Zealand	World Heritage Site (natural or mixed)	12
1992	Little Boggy Wetlands	Stewardship Area	<1
1992	Big Boggy Wetlands	Stewardship Area	<1
1998	Matakitaki Bluff	Stewardship Area	<1
1998	Motutapus (Ngai Tahu)	Conservation Covenant	<1
1998	West Wanaka Bluffs	Stewardship Area	<1
1998	Olearia (West Wanaka)	Stewardship Area	<1
1998	Matakitaki Wetland	Government Purpose Reserve	2
2005	Ngai Tahu (ex Glendhu)	Conservation Covenant	<1
2012	Cascade Hut to Raspberry Flat (Hells Gate)	Conservation Covenant	7
2012	Vegetation Matukituki Olearia hectorii	Conservation Covenant	<1
2012	Raspberry Creek	Stewardship Area	<1

Habitat1	Habitat detail	% of IBA
Grassland		major (>10)
Introduced vegetation		major (>10)
Shrubland		major (>10)
Wetlands (inland)		major (>10)
Forest		minor (<10)

1. IUCN Habitat classification.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Matukituki River (New Zealand). Downloaded from https://datazone.birdlife.org/site/factsheet/matukituki-river-iba-new-zealand on 22/11/2024.