Ruamaahua Aldermen Islands (28040)
New Zealand, Australasia
Site overview
KBA status: confirmed
Global KBA criteria: D1a
Year of last assessment: 2014
National site name: Ruamaahua Aldermen Islands
Central coordinates: Latitude: -36.9587, Longitude: 176.0803
System: marine, terrestrial
Elevation (m): 0 to 180
Area of KBA (km2): 1.08165
Protected area coverage (%): 93.27
KBA classification: Global
Legacy site: Yes
Site details
Rationale for qualifying as KBA: This site qualifies as a Key Biodiversity Area of international significance that meets the thresholds for at least one criterion described in the Global Standard for the Identification of KBAs.
Additional biodiversity: IBA Trigger species: Grey-faced Petrel, Little Shearwater (Northern), Fluttering Shearwater, Common Diving Petrel, White-faced Storm-petrel, Red-fronted Parakeet. Besides the trigger species the following are confirmed or likely to breeding or resident at this site: Little Penguin, Sooty Shearwater, Pied Shag, White-faced Heron, Variable Oystercatcher, Southern Black-backed Gull, Red-billed Gull, NZ Pigeon, Shining Cuckoo, Long-tailed Cuckoo, NZ Kingfisher, Welcome Swallow, Grey Warbler, North Is-land Fantail, Silvereye, Bellbird, Tui, Brown Quail, Rock Pigeon, Skylark, Hedge Sparrow, Blackbird, Song Thrush, Yellow-hammer, Chaffinch, Goldfinch, House Sparrow, Starling. Other species recorded: Black Shag, Little Black Shag, White-fronted Tern.
Habitats
| IUCN Habitat | Coverage % | Habitat detail |
|---|---|---|
| Shrubland | 25 | |
| Marine Intertidal | 25 | |
| Forest | 25 | |
| Marine Coastal/Supratidal | 25 |
Threats
Summary of threats to biodiversity at KBA: Human disturbance – Yes - Predation by alien species – No Habitat loss or degradation – No Contamination – No Natural disaster – No Other - Yes -
Additional information
References: Bell, B.D.; Bowie, E.; Sibson, R.B.; Blackburn, A.; Leggard, T.; Hogg, M.; Sibson, R. 1959. Unpublished report on the Alder-men Islands. Wildlife Branch file 46.29.13 Blackburn, A. 1958. Unpublished report on the Aldermen Islands. Wildlife Branch file 46.29.13 Court, D.J.; Hardacre, A.K.; Lynch P.A. 1973. The vegetation of the Aldermen Islands: a reappraisal. Tane 19: 41-60. Fogarty, S.M., Douglas, M.E. 1973. The birds of the Aldermen islands. Tane 18: 31-39 Falla, R.A.; Sladden, B. 1928: Aldermen Islands. New Zealand Journal of .Science & Technology 9: 282-90. Tennyson, A.J.G. 2013. Alderman Islands 1995 bird summary. Unpublished report. Thorpe, R. 1997. Eradication of kiore from Middle Chain Island, Alderman Islands. Ecological Management 5: 1-4. Thorpe, R., Stanway, L. 1992. Waugh, S.M., Tennyson, A.J.D., Taylor, G.A., Wilson, K-J. 2013. Population sizes of shearwaters (Puffinus spp.) breeding in New Zealand with recommendations for monitoring. Tuhinga 24: 159-204.