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From an ecological perspective the Australasian realm is a distinct region, parts of which have a common geologic and evolutionary history. The entire area has experienced a long period of biological isolation from other regions, and thus harbors a great many unique plants and animals.
The Tuha'a Pae or Austral Islands (French: Îles Australes or Archipel des Australes) are the southernmost group of islands in French Polynesia, an overseas collectivity of France in the South Pacific. Geographically, the Austral Islands consist of two separate archipelagos.
Australia is a country and an island located in Oceania between the Indian Ocean and the South Pacific Ocean. It shares its name with the country that claims control over it. Properly called the Commonwealth of Australia, its territory consists of the entire continent and smaller outlying islands.
The Asia–Pacific (APAC) is the region of the world adjoining the western Pacific Ocean. The region's precise boundaries vary depending on context, but countries and territories in Australasia , East Asia , and Southeast Asia are often included.
Tubuai is the largest of the Austral islands at 44 km 2. The total land area of the ecoregion is 142 km 2. [1] [3] The islands are volcanic in origin, formed as the Pacific Plate moved west-northwest over a geologic hotspot. [1]
The Zona Austral (Southernmost Zone) is one of the five natural regions into which CORFO divided continental Chile in 1950 corresponding to the Chilean portion of Patagonia. It is surrounded by the Zona Sur and the Chacao Channel to the north, the Pacific Ocean and Drake's Passage to the south and west, and the Andean mountains and Argentina to ...
Australasia is a subregion of Oceania, comprising Australia, New Zealand (overlapping with Polynesia), and sometimes including New Guinea and surrounding islands (overlapping with Melanesia). The term is used in a number of different contexts, including geopolitically , physiogeographically , philologically , and ecologically , where the term ...
The Macdonald hotspot has been grouped into the Pacific Ocean's Hotspot highway. The Macdonald hotspot (also known as "Tubuai" or "Old Rurutu" [1]) is a volcanic hotspot in the southern Pacific Ocean. The hotspot was responsible for the formation of the Macdonald Seamount, and possibly the Austral-Cook Islands chain. [2]