New Guinea (Papua Island)

Geography
Location	Melanesia
Coordinates	5°30′S 141°00′E / 5.5°S 141°E / -5.5; 141Coordinates: 5°30′S 141°00′E / 5.5°S 141°E / -5.5; 141
Archipelago	Malay archipelago
Area	786,000 km2 (303,500 sq mi)
Area rank	2nd
Highest elevation	4,884 m (16,024 ft)
Highest point	Puncak Jaya
Country
Indonesia
Provinces	Papua West Papua
Papua New Guinea
Provinces	Central Simbu Eastern Highlands East Sepik Enga Gulf Madang Morobe Oro Southern Highlands Western Western Highlands West Sepik Milne Bay National Capital District
Demographics
Population	~ 7.5 million (as of 2005)
Density	8 /km2 (21 /sq mi)
Ethnic groups	Papuan and Austronesian

New Guinea (also known by other names) is the world's second largest island, after Greenland, covering a land area of 786,000 km². Located in the southwest Pacific Ocean, it lies geographically to the east of the Malay Archipelago, with which it is sometimes included as part of a greater Indo-Australian Archipelago.^[1]

Overview[link]

Geologically, New Guinea is a part of the same tectonic plate as Australia. When world sea levels were low, the two shared shorelines (which now lie 100 to 140 metres below sea level), ^[2] combining with lands now inundated into the tectonic continent of Sahul,^[3][4] also known as Greater Australia.^[5] The two landmasses became separated when the area now known as the Torres Strait flooded after the end of the last glacial period.

Anthropologically it is considered part of Melanesia.^{[citation needed]} Politically, the western half of the island comprises two Indonesian provinces: Papua and West Papua. The eastern half forms the mainland of the country of Papua New Guinea. New Guinea has a population of about 7.5 million who inhabit a land with a hot humid rainy climate. The constantly dripping rain forests cover a high mountain-dominated interior with features rapidly descending to the sea coast. It has a very low population density of only 8 inh/km².

New Guinea is differentiated from its drier, flatter,^[6] and less fertile^[7][8] southern counterpart, Australia, by its much higher rainfall and its active volcanic geology, with its highest point, Puncak Jaya, reaching an elevation of 4,884 m (16,023 ft). Yet the two land masses share a similar animal fauna, with marsupials, including wallabies and possums, and the egg-laying monotreme, the spiny anteater, or echidna. Other than bats and some two dozen indigenous rodent genera,^[9] there are no pre-human indigenous placental mammals. Pigs, several additional species of rats, and the ancestor of the New Guinea Singing Dog were introduced with human colonization.

The human presence on the island dates back at least 40,000 years to the oldest human migrations out of Africa. Research indicates that the highlands were an early and independent center of agriculture, with evidence of irrigation going back at least 10,000 years.^[10] Given the time depth of its inhabitation and its highly fractured landscape, an unusually high number of languages are spoken on the island, with some 1,000 languages (a figure higher than that of most continents) having been catalogued out of an estimated world-wide pre-Columbian total of 6,000 human dialects. Most are classified as Papuan languages, a generally accepted geographical term which a minority of authors hold to be a genetic one. A number of Austronesian languages are spoken on the coast and on offshore islands.

In the 16th century Spanish explorers discovered the island and called it Nueva Guinea. In recent history western New Guinea was included in the Dutch East Indies colony. The Germans annexed the northern coast of the eastern half of the island as German New Guinea in their pre–World War I effort to establish themselves as a colonial power, whilst the south eastern portion was reluctantly claimed by Britain. Following the Treaty of Versailles, the German portion was awarded to Australia (which was already governing the British claim, named the Territory of Papua) as a League of Nations mandate. The eastern half of the island was granted independence from Australia as Papua New Guinea in 1975. The western half gained independence from the Dutch in 1961, but became part of Indonesia soon afterwards in controversial circumstances.^[11]

Names[link]

The island has been known by various names.

The name Papua was used to refer to parts of the island before contact with the West.^[12] Its etymology is unclear;^[12] one theory is that it is from Tidore, the language used by the Sultanate of Tidore that controlled parts of the island's coastal region.^[13] The name came from papo (to unite) and ua (negation), which mean not united or, territory that geographically far away and thus not united.^[13]