Eclipse Island (Western Australia)
Encyclopedia
Western Australia
Western Australia is a state of Australia, occupying the entire western third of the Australian continent. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Indian Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east...
, near Albany
Albany, Western Australia
Albany is a port city in the Great Southern region of Western Australia, some 418 km SE of Perth, the state capital. As of 2009, Albany's population was estimated at 33,600, making it the 6th-largest city in the state....
, that has a lighthouse
Lighthouse
A lighthouse is a tower, building, or other type of structure designed to emit light from a system of lamps and lenses or, in older times, from a fire, and used as an aid to navigation for maritime pilots at sea or on inland waterways....
on it.
The Eclipse Island Lighthouse was built in 1926 as a cylindrical tower made of concrete. Initially it was a manned station using kerosene
Kerosene
Kerosene, sometimes spelled kerosine in scientific and industrial usage, also known as paraffin or paraffin oil in the United Kingdom, Hong Kong, Ireland and South Africa, is a combustible hydrocarbon liquid. The name is derived from Greek keros...
as lantern fuel in combination with a first order Fresnel lens
Fresnel lens
A Fresnel lens is a type of lens originally developed by French physicist Augustin-Jean Fresnel for lighthouses.The design allows the construction of lenses of large aperture and short focal length without the mass and volume of material that would be required by a lens of conventional design...
. In 1976 the lantern was completely removed though and the optic was put on display at the Western Australian Museum
Western Australian Museum
The Western Australian Museum is the state museum for Western Australia.The Western Australian Museum has seven main sites: two in Perth within the Perth Cultural Centre, two in Fremantle , and one each in Albany, Geraldton, and Kalgoorlie-Boulder...
. Today the light is emitted from atop a mast on the lighthouse's concrete trunk. The characteristic is a group of three flashes every twelve seconds from a focal plane at 117 metres above sea level
Sea level
Mean sea level is a measure of the average height of the ocean's surface ; used as a standard in reckoning land elevation...
.
Three family quarters made of brick with fibro
Fibro
Fibro, the shortened form of "Fibrous Cement" - or "Fibrous Asbestos Cement", FAC, is a building material made of compressed fibres cemented into rigid sheets....
roofing along with several outbuildings, concrete tanks and bases, generator
Generator
Generator may refer to:* Electrical generator* Engine-generator, an electrical generator, but with its own engine.* Generator , any of several closely related usages in mathematics.Computing:...
shed, helipad
Helipad
Helipad is a common abbreviation for helicopter landing pad, a landing area for helicopters. While helicopters are able to operate on a variety of relatively flat surfaces, a fabricated helipad provides a clearly marked hard surface away from obstacles where a helicopter can safely...
and a concrete landing can be found around the lighthouse. A trestle
Trestle
A trestle is a rigid frame used as a support, especially referring to a bridge composed of a number of short spans supported by such frames. In the context of trestle bridges, each supporting frame is generally referred to as a bent...
based light gauge railway and cable towers are also found in the lighthouse precinct, and was all constructed during the interwar period
Interwar period
Interwar period can refer to any period between two wars. The Interbellum is understood to be the period between the end of the Great War or First World War and the beginning of the Second World War in Europe....
.
The island supports a large colony of introduced rabbit
Rabbit
Rabbits are small mammals in the family Leporidae of the order Lagomorpha, found in several parts of the world...
s and another common introduced pest the Arum Lily has also been introduced to the island in the past.
The island is composed of granite
Granite
Granite is a common and widely occurring type of intrusive, felsic, igneous rock. Granite usually has a medium- to coarse-grained texture. Occasionally some individual crystals are larger than the groundmass, in which case the texture is known as porphyritic. A granitic rock with a porphyritic...
and has a total area of 99 hectares (245 acre) and was declared a Class 1A Nature Reserve
Nature reserve
A nature reserve is a protected area of importance for wildlife, flora, fauna or features of geological or other special interest, which is reserved and managed for conservation and to provide special opportunities for study or research...
in 2000. It is a waypoint for the Volvo Ocean Race
Volvo Ocean Race
The Volvo Ocean Race is a yacht race around the world, held every three years. It is named after its current owner, Volvo...
.
Birds
The island has been classified as an Important Bird AreaImportant Bird Area
An Important Bird Area is an area recognized as being globally important habitat for the conservation of bird populations. Currently there are about 10,000 IBAs worldwide. The program was developed and sites are identified by BirdLife International...
because it has been reported as supporting over 1% of the world's breeding population of Flesh-footed Shearwater
Flesh-footed Shearwater
The Flesh-footed Shearwater, Puffinus carneipes, is a small shearwater. Its plumage is black. It has pale pinkish feet, and a pale bill with a black tip. Together with the equally light-billed Pink-footed Shearwater, it forms the Hemipuffinus group, a superspecies which may or may not have an...
s (6000-8000 pairs) and Great-winged Petrel
Great-winged Petrel
The Great-winged Petrel or Grey-faced Petrel, Pterodroma macroptera, is a petrel. In New Zealand it is also known by its Māori name oi and as a muttonbird.- Taxonomy :...
s (10,000-15,000 pairs). Other birds that are found on the island include Wedge-tailed Shearwater
Wedge-tailed Shearwater
The Wedge-tailed Shearwater, Puffinus pacificus is a medium-large shearwater in the seabird family Procellariidae. It is one of the shearwater species that is sometimes referred to as a Muttonbird, like the Sooty Shearwater of New Zealand and the Short-tailed Shearwater of Australia...
s, Little shearwater
Little Shearwater
The Little Shearwater is a small shearwater in the seabird family Procellariidae.mtDNA cytochrome b sequence data indicates that the former North Atlantic Little Shearwater group is closer to Audubon's Shearwater , and myrtae being closer to the Newell's and possibly Townsend's Shearwater...
s, Caspian tern
Caspian Tern
The Caspian Tern is a species of tern, with a subcosmopolitan but scattered distribution. Despite its extensive range, it is monotypic of its genus, and has no subspecies accepted either...
s and Pacific gull
Pacific Gull
The Pacific Gull is a very large gull, native to the coasts of Australia. It is moderately common between Carnarvon in the west, and Sydney in the east, although it has become scarce in some parts of the south-east, as a result of competition from the Kelp Gull, which has "self-introduced" since...
s.