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Adele Island (Western Australia) facts for kids

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Adele Island
Geography
Area 217 ha (540 acres)
Length 2.9 km (1.8 mi)
Width 1.6 km (0.99 mi)
Administration
Australia
Demographics
Population 0
Lesser frigatebird lei
Adele Island is a breeding site of world importance for Lesser Frigatebirds
Adele Island (Western Australia)
Adele Island NASA Photo ID ISS044-E-00903Date taken 2015.06.11Time taken 05:21:42 GM

Adele Island is an island located in the Indian Ocean approximately 104 kilometres (65 mi) North of Ardyaloon off the Kimberley coast in Western Australia.

Description

The island is fish-hook shaped and has a length of 2.9 kilometres (2 mi) and a width of 1.6 kilometres (1 mi) and a total area of 217 hectares (536 acres). It is low-lying and surrounded by extensive sandbanks lying over a limestone platform forming a large lagoon.

History

Nicolas Baudin named the island in 1801 as part of his expedition around Australia. The name of the island was first charted on the Freycinet Map of 1811. It was declared a Nature Reserve in 2001 in recognition of its status as a bird breeding sanctuary. Since then the Department of Environment and Conservation has embarked on a campaign to eradicate the island of the Polynesian Rats that are a constant threat to the native seabirds.

An acetylene-powered lighthouse was built on the island in 1951 it was later upgraded to solar power in 1985.

Birds

The island is classified by BirdLife International as an Important Bird Area for its seabirds and waders. As well as breeding cormorants and Australian pelicans, globally important bird species breeding or staging on the island are lesser frigatebird with 2000-5700 breeding pairs, brown booby with 1500-8500 breeding pairs, grey-tailed tattler with up to 5500 individuals, and red-necked stint with up to 4100 individuals.

Rolloliths

Rollolith is also found in Adele Island. It is the basic name given to benthic creatures. Rolloliths can be made ofbarnacles (balanuliths); coral (corallith); vermetulid worms (vermetuliths); red crustose coralline green growth (rhodolith); or bryozoans (bryoliths).

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