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The site was identified as internationally important for bird conservation in 2009 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
Hawaii Elepaio Chasiempis sandwichensis	NT	resident (1983)	2,500 birds	A1, A2
Palila Loxioides bailleui	CR	resident (2007)	3,862 birds	A1, A2
Hawaii Amakihi Chlorodrepanis virens	LC	resident (1983)	87,624 birds	A2
Iiwi Drepanis coccinea	VU	non-breeding (1983)	482 birds	A1, A2
Apapane Himatione sanguinea	LC	resident (1983)	219 birds	A2

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2009. The most recent assessment (2009) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Agricultural expansion and intensification	happe­ning now	whole of popul­ation/area (>90%)	slow decline (1–10% over 3 gener­ations)	high
Invasive and other problematic species and genes	happe­ning now	most of popul­ation/area (50–90%)	slow decline (1–10% over 3 gener­ations)	high
Natural system modifications	happe­ning now	some of popul­ation/area (10–49%)	rapid decline (>30% over 3 gener­ations)	high

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
-	Wailuku Silversword	Sanctuary (V)	<1
1981	Mauna Kea Ice Age	Natural Area Reserve (V)	7
2009	Mauna Kea-Pohakuloa	Easement (V)	<1

Habitat	% of IBA	Habitat detail
Shrubland	36	Semi-humid/humid montane scrub
Forest	28
Rocky areas (eg. inland cliffs, mountain peaks)	20	Rocky flats & barrens
Grassland	16

Land use	% of IBA
nature conservation and research	67
hunting	24
other	5
agriculture	4

Land comprising the Mauna Kea mamane-naio forest IBA is owned almost entirely by the State of Hawaii. Some of the land is leased to the U.S. Army as part of the Pohakuloa Training Area. Onwership information was unavailable or unlisted for 8% of the area. Less than 1% of the land is privately owned, and these lands are narrow slivers on the edges of the IBA.

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Mauna Kea Mamane - Naio Forest (USA). Downloaded from https://datazone.birdlife.org/site/factsheet/mauna-kea-mamane--naio-forest-iba-usa on 22/12/2024.