Gannet Island (New Zealand)
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Māori: Karewa | |
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File:Gannet Island - aerial view.jpg
Aerial view of Gannet Island
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Location of Gannet Island
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Geography | |
Location | Waikato Region |
Coordinates | Lua error in package.lua at line 80: module 'strict' not found. |
Highest elevation | 15 m (49 ft) |
Country | |
Demographics | |
Population | 0 |
Gannet Island (Karewa in Māori) is a small island some 19 kilometres (12 miles) offshore from Kawhia on the west coast of New Zealand's North Island.
Description
The island consists of the eroded remnant of a tuff ring, erupted about half a million years ago. It is considerably younger than, and compositionally distinct from, the nearby onshore Alexandra Volcanics (Mount Karioi and Mount Pirongia) and Okete Volcanics. It is located on the eastern edge of the North Taranaki Graben, rising 15 metres (49 ft) above sea level from a base about 65 metres (213 ft) deep.[1]
Gannets
Protected as a wildlife sanctuary,[2] it was found to be the country's largest single breeding colony of Australasian gannets in a 1980 census.[3] Holding about 8000 breeding pairs, the island has been identified as an Important Bird Area, by BirdLife International.[4]
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See also
References
- ↑ R. M. Briggs, M. D. Rosenberg, P. J. de Lange, T. Itaya, P. R. King and R. C. Price. (1997). Geology and geochemistry of Gannet (Karewa) Island, Tasman Sea: a rift-related nephelinitic tuff ring, New Zealand Journal of Geology and Geophysics, 40, 263-272.
- ↑ Wildlife Sanctuary (Gannet Island) Order 1980
- ↑ Wodzicki, K .; Robertson, C. J. R.; Thompson, H. R.; and Alderton, C. J. T. (1984). The distribution and numbers of gannets (Sula serrator) in New Zealand. Notornis 31, 232-261.
- ↑ BirdLife International. (2012). Important Bird Areas factsheet: Gannet Island. Downloaded from http://www.birdlife.org on 2012-02-16.
External links
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