Lyla Lindsey
Australia is a country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. It is the smallest of the seven continents, and the largest country in Oceania. While Australia is commonly referred to as an island continent, most geographers consider islands and continents to be separate things. By definition, an island is a mass of land that is entirely surrounded by water and smaller than a continent. Australia is considered a continent due to its size, geological distinctions, biological and anthropological factors, and its vast array of endemic plant and animal species.
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What You'll Learn
Australia's status as a continent
Australia is considered a continent by geographers and other experts. However, the line between an island and a continent is sometimes blurry, and Australia is sometimes referred to as an "island continent".
Firstly, Australia is simply too big to be considered an island. While there is no strict scientific definition of a continent, an island is typically defined as a mass of land that is ""entirely surrounded by water" and "smaller than a continent". Australia is surrounded by water but is far larger than Greenland, which is considered the world's largest island.
Secondly, Australia sits on its own tectonic plate, whereas Greenland shares a plate with North America. This geological distinction is another reason why Australia is considered a continent.
Thirdly, there is an anthropological distinction that cements Australia's status as a continent. The indigenous people of Australia, the Aboriginal Australians, belong to a race that is contained in the continent and its surrounding islands. This is similar to the indigenous people from other continents, such as Native Americans in North America.
Australia is also considered a continent due to its diverse array of endemic plant and animal species. In fact, Australia is a megadiverse country, and over the past two centuries, it has lost more mammal species than any other continent.
Finally, Australia is the only country in the world that spans an entire continent. It includes the mainland, the island of Tasmania, numerous smaller offshore islands, and remote offshore territories such as the Ashmore and Cartier Islands, Christmas Island, and Cocos (Keeling) Islands. Australia is also home to the world's driest and flattest inhabited continent.
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Indigenous Australians
The Aboriginal Australians have a deep connection with the land and nature, which is reflected in their place names and creation stories. For example, Aboriginal place names and stories indicate the presence of active volcanoes on the eastern mainland as recently as 4,600 years ago. Their traditional knowledge and practices have contributed significantly to our understanding of Australian ecology and environmental management.
Unfortunately, the history of Indigenous Australians also includes a dark chapter of forced removal and assimilation policies. Starting in 1886, Australian colonial governments began removing many Aboriginal children from their families and communities, justifying their actions on the grounds of child protection and forced assimilation. This resulted in what is known today as the "Stolen Generations."
Despite these challenges, Indigenous Australians have persevered and continue to play an essential role in shaping the country's cultural identity. They have fought for their rights and recognition, and their rich cultural heritage is now celebrated and promoted through various initiatives and organizations dedicated to preserving their traditions, languages, and connection to the land.
In conclusion, Indigenous Australians have a long and complex history as the original custodians of the land. Their cultural practices, knowledge systems, and resilience in the face of adversity have contributed significantly to the unique character and biodiversity of Australia, whether it is considered a continent or a collection of islands.
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Australia's islands
Australia is commonly referred to as an "island continent", but geographers insist that it is not technically an island and may only be called a continent or a continental landmass. The Oxford English Dictionary defines an island as "a piece of land completely surrounded by water", and Encyclopaedia Britannica adds that islands are smaller than a continent. Australia, being the smallest continent, is too big to be considered an island.
However, Australia does contain many islands—8,222 of them, in fact. Of these islands, 3,747 are located in Western Australia, which is the most of any Australian state. The largest island on the Australian continent is 2,234-square-mile Melville, located in the Northern Territory. Australia also contains the island state of Tasmania, which has an area of 26,410 square miles and is located 150 miles south of the mainland. Other islands in Australia include the Ashmore and Cartier Islands, Christmas Island, Cocos (Keeling) Islands, Coral Sea Islands, Heard and McDonald Islands, and Norfolk Island.
The continent of Australia, sometimes known as Sahul, Australinea, or Meganesia, consists of the landmasses that sit on Australia's continental plate. This includes mainland Australia, Tasmania, and the island of New Guinea, which comprises Papua New Guinea and Western New Guinea. The term Oceania, originally a great division of the world in the 19th century, was replaced in English-speaking countries by the concept of Australia as one of the world's continents in the 1950s. Today, Oceania is used interchangeably with Australia to refer to the grouping of islands in the Pacific Ocean and its adjacent seas.
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Oceania and Australasia
The term Australasia refers specifically to the geographic region encompassing Australia and New Zealand, though it sometimes also includes Papua New Guinea and other surrounding islands. While New Zealand is part of Oceania (and Australasia), it is not considered part of the continent of Australia. The continent of Australia includes mainland Australia, Tasmania, the island of New Guinea (Papua New Guinea and Western New Guinea), the Aru Islands, the Ashmore and Cartier Islands, most of the Coral Sea Islands, and some other nearby islands.
The distinction between an island and a continent is somewhat arbitrary, and Australia is sometimes referred to as an "'island continent'. However, geographers insist that Australia is not technically an island, but rather a continent or continental landmass. An island is typically defined as a mass of land that is entirely surrounded by water and smaller than a continent. Australia, being a continent, cannot be considered an island, despite being surrounded by water.
In terms of size, Australia is the smallest of the seven continents, with a total area of approximately 2.97 million square miles. However, some have argued that Australia is too big to be considered an island, but too small to be considered a continent, and have suggested alternative terms such as "sub-continent" or "terragrand".
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Australia's size
Australia is commonly referred to as an "island continent", but geographers insist that it is not technically an island. Australia is considered a continent based on several factors, and its size is one of the most significant ones.
Covering an area of about 2.97 million square miles (7.7 million square kilometres), Australia is the smallest of the seven continents. In comparison, Greenland, the largest island, covers 836,000 square miles (2,165,230 square kilometres). Australia is far bigger than Greenland, and its size is a determining factor in its classification as a continent rather than an island.
The Oxford English Dictionary defines an island as "a piece of land completely surrounded by water" and adds that islands are smaller than a continent. Australia, being significantly larger than typical islands, falls into the continent category based on this definition.
However, it is important to note that the line between an island and a continent is somewhat arbitrary, and there is no strict scientific definition of a continent. Australia is either an exceptionally large island or an exceptionally small continent. Some have suggested the term "sub-continent" or "terragrand" to describe it.
In addition to size, other factors contribute to Australia's classification as a continent. Geologically, Australia sits on its own tectonic plate, the Australian Plate, which is currently colliding with the Eurasian and Pacific plates, resulting in relatively high seismic activity. This distinguishes it from Greenland, which shares a tectonic plate with North America.
Australia's unique flora and fauna, as well as its indigenous people, the Aborigines, further set it apart and contribute to its continental status. These anthropological and biological factors, combined with its size, elevate Australia to the status of a continent rather than an island.
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Frequently asked questions
Australia is a continent and not an island. According to the Oxford English Dictionary, an island is "a piece of land completely surrounded by water". While Australia is surrounded by water, it is considered a continent, which means that it cannot be an island.
According to Encyclopedia Britannica, an island is a mass of land that is "entirely surrounded by water" and "smaller than a continent". There is no strict scientific definition of a continent, but they are generally distinguished from islands based on size and various biological and anthropological factors.
Greenland is the largest island in the world and is not considered a continent because it shares a tectonic plate with North America. In contrast, Australia sits on its own tectonic plate and is considered a separate continent.
The continent of Australia includes mainland Australia, Tasmania, the island of New Guinea, and numerous smaller islands and remote offshore territories.
While Australia is not technically an island, it is sometimes referred to as an "island continent" because it is surrounded by water and is the smallest of the seven continents.
