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The site was identified as internationally important for bird conservation 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 List	Season (year/s of estimate)	Size	IBA criteria
Australasian Bittern Botaurus poiciloptilus	VU	resident (-)	present	A1
Northern Red-breasted Plover Charadrius aquilonius	LC	resident (2012–2015)	6–7 pairs	A1
Black-billed Gull Larus bulleri	NT	breeding (2010–2015)	13–26 pairs	A1

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
Pollution	happe­ning now	most of popul­ation/area (50–90%)	slow decline (1–10% over 3 gener­ations)	high
Invasive and other problematic species and genes	happe­ning now	some of popul­ation/area (10–49%)	moderate decline (10–30% over 3 gener­ations)	high
Human intrusions and disturbance	happe­ning now	some of popul­ation/area (10–49%)	slow decline (1–10% over 3 gener­ations)	medium
Residential and commercial development	happe­ning now	some of popul­ation/area (10–49%)	no or slight decline (<1% over 3 gener­ations)	low
Natural system modifications	happe­ning now	few indivi­duals/small area (<10%)	moderate decline (10–30% over 3 gener­ations)	low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Not assessed	Not assessed	Not assessed	not assessed

Year	Protected Area	Designation (management category)	% coverage of IBA
1966	Estuary	Government Purpose Reserve (-)	2
1981	Lower Kaituna	Government Purpose Reserve (-)	23
1987	Maketu	Stewardship Area (III)	<1
1995	Maketu	Government Purpose Reserve (-)	1

Habitat	% of IBA	Habitat detail
Marine Coastal/Supratidal	major (>10)
Marine Intertidal	major (>10)
Marine Neritic	major (>10)
Shrubland	major (>10)
Forest	minor (<10)

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Maketu (New Zealand). Downloaded from https://datazone.birdlife.org/site/factsheet/maketu-iba-new-zealand on 23/12/2024.