Anderson Island (Tasmania)
Encyclopedia
Anderson Island, also known as Woody Island, is a granite
island, with an area of 166 ha
, in south-eastern Australia
. It is part of Tasmania
’s Tin Kettle Island Group, lying in eastern Bass Strait
between Flinders
and Cape Barren Islands in the Furneaux Group. It is partly a pastoral lease
used for grazing sheep and cattle
. The island is joined at low tide to nearby Little Anderson
and Tin Kettle Island
s by extensive intertidal mudflat
s. The island is part of the Franklin Sound Islands Important Bird Area
, identified as such by BirdLife International
because it holds over 1% of the world populations of six bird species.
for livestock. There are a few remnant patches of Melaleuca
and Stipa
around the coast.
Recorded breeding seabird
and wader
species are Little Penguin
, Pacific Gull
, Sooty Oystercatcher
and Pied Oystercatcher
. There used to be a large Short-tailed Shearwater
colony on the western side of the island until the early 20th century, when it was destroyed though the introduction of pig
s, which dug up the burrows and ate the eggs and chicks. The Metallic Skink
is present.
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...
island, with an area of 166 ha
Hectare
The hectare is a metric unit of area defined as 10,000 square metres , and primarily used in the measurement of land. In 1795, when the metric system was introduced, the are was defined as being 100 square metres and the hectare was thus 100 ares or 1/100 km2...
, in south-eastern Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...
. It is part of Tasmania
Tasmania
Tasmania is an Australian island and state. It is south of the continent, separated by Bass Strait. The state includes the island of Tasmania—the 26th largest island in the world—and the surrounding islands. The state has a population of 507,626 , of whom almost half reside in the greater Hobart...
’s Tin Kettle Island Group, lying in eastern Bass Strait
Bass Strait
Bass Strait is a sea strait separating Tasmania from the south of the Australian mainland, specifically the state of Victoria.-Extent:The International Hydrographic Organization defines the limits of the Bass Strait as follows:...
between Flinders
Flinders Island
Flinders Island may refer to:In Australia:* Flinders Island , in the Furneaux Group, is the largest and best known* Flinders Island * Flinders Island , in the Investigator Group* Flinders Island...
and Cape Barren Islands in the Furneaux Group. It is partly a pastoral lease
Pastoral lease
A pastoral lease is Crown land that government allows to be leased, generally for the purposes of farming.-Australia:Pastoral leases exist in both Australian commonwealth law and state jurisdictions....
used for grazing sheep and cattle
Cattle
Cattle are the most common type of large domesticated ungulates. They are a prominent modern member of the subfamily Bovinae, are the most widespread species of the genus Bos, and are most commonly classified collectively as Bos primigenius...
. The island is joined at low tide to nearby Little Anderson
Little Anderson Island
Little Anderson Island is an island, with an area of 13 ha, in south-eastern Australia. It is part of Tasmania’s Tin Kettle Island Group, lying in eastern Bass Strait between Flinders and Cape Barren Islands in the Furneaux Group. The island is joined at low tide to nearby Anderson and Tin Kettle...
and Tin Kettle Island
Tin Kettle Island
Tin Kettle Island is a long, sandy island, with an area of 176 ha, in south-eastern Australia. It is part of Tasmania’s Tin Kettle Island Group, lying in eastern Bass Strait between Flinders and Cape Barren Islands in the Furneaux Group. The island is joined at low tide to nearby Anderson and...
s by extensive intertidal mudflat
Mudflat
Mudflats or mud flats, also known as tidal flats, are coastal wetlands that form when mud is deposited by tides or rivers. They are found in sheltered areas such as bays, bayous, lagoons, and estuaries. Mudflats may be viewed geologically as exposed layers of bay mud, resulting from deposition of...
s. The island is part of the Franklin Sound Islands Important Bird Area
Franklin Sound Islands Important Bird Area
The Franklin Sound Islands Important Bird Area comprises several small islands, with a collective total area of 1725 ha, lying in Franklin Sound between the much larger Flinders Island to the north and Cape Barren Island to the south, in the Furneaux Group of Tasmania, Australia.The islands...
, identified as such by BirdLife International
BirdLife International
BirdLife International is a global Partnership of conservation organisations that strives to conserve birds, their habitats and global biodiversity, working with people towards sustainability in the use of natural resources...
because it holds over 1% of the world populations of six bird species.
Flora and fauna
Most of the island’s original vegetation has disappeared, replaced by pasturePasture
Pasture is land used for grazing. Pasture lands in the narrow sense are enclosed tracts of farmland, grazed by domesticated livestock, such as horses, cattle, sheep or swine. The vegetation of tended pasture, forage, consists mainly of grasses, with an interspersion of legumes and other forbs...
for livestock. There are a few remnant patches of Melaleuca
Melaleuca
Melaleuca is a genus of plants in the myrtle family Myrtaceae known for its natural soothing and cleansing properties. There are well over 200 recognised species, most of which are endemic to Australia...
and Stipa
Stipa
This article is about a type of grass.For Speech Transmission Index for Public Address Systems, see Speech transmission index.For the Italian aircraft designer, see Luigi Stipa...
around the coast.
Recorded breeding seabird
Seabird
Seabirds are birds that have adapted to life within the marine environment. While seabirds vary greatly in lifestyle, behaviour and physiology, they often exhibit striking convergent evolution, as the same environmental problems and feeding niches have resulted in similar adaptations...
and wader
Wader
Waders, called shorebirds in North America , are members of the order Charadriiformes, excluding the more marine web-footed seabird groups. The latter are the skuas , gulls , terns , skimmers , and auks...
species are Little Penguin
Little Penguin
The Little Penguin is the smallest species of penguin. The penguin, which usually grows to an average of in height and in length , is found on the coastlines of southern Australia and New Zealand, with possible records from Chile.Apart from Little Penguins, they have several common names...
, 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...
, Sooty Oystercatcher
Sooty Oystercatcher
The Sooty Oystercatcher, Haematopus fuliginosus, is a species of oystercatcher. It is a wading bird native to Australia and commonly found on its coastline. It prefers rocky coastlines, but will occasionally live in estuaries....
and Pied Oystercatcher
Pied Oystercatcher
The Pied Oystercatcher, Haematopus longirostris, is a species of oystercatcher. It is a wading bird native to Australia and commonly found on its coastline. The similar South Island Pied Oystercatcher The Pied Oystercatcher, Haematopus longirostris, is a species of oystercatcher. It is a wading...
. There used to be a large Short-tailed Shearwater
Short-tailed Shearwater
The Short-tailed Shearwater or Slender-billed Shearwater , also called Yolla or Moonbird, and commonly known as the muttonbird in Australia, is the most abundant seabird species in Australian waters, and is one of the few Australian native birds in which the chicks are commercially harvested...
colony on the western side of the island until the early 20th century, when it was destroyed though the introduction of pig
Pig
A pig is any of the animals in the genus Sus, within the Suidae family of even-toed ungulates. Pigs include the domestic pig, its ancestor the wild boar, and several other wild relatives...
s, which dug up the burrows and ate the eggs and chicks. The Metallic Skink
Metallic Skink
The Metallic Cool-skink or Metallic Skink is a species of skink in the Scincidae family. It is endemic to Australia, found in southern Victoria, as well as in Tasmania where it is the most widespread and common lizard, occurring on many offshore islands in Bass Strait as well as the mainland. It...
is present.