The question of the origin of Océaniens was one of the major topics of research océanienne since the 19th century. So today one has thanks to archeology, linguistics, the ethnolinguistique one, ethnobotanic even genetic research, an about coherent answer to this question, many points remain still outstanding.
Then, the insular Southeast Asia was not the unit archipelagic which exists today but constituted a continental shelf, that of Sunda, prolongation in the shape of peninsula of the continent of Asia. The continental shore extended much ahead in the Mer from Timor. Australia and the New Guinea, connected between them by a terrestrial bridge through the sea of Arafura, the Gulf of Carpentarie and the Strait of Torres, formed a single continental mass called Sahul which also included the Tasmanie. Between Sunda and Sahul, an archipelago was which the geographers name Wallacea. One could then go from Sunda in Sahul while not having to traverse more than 100 km of sea.
The human migrations took place towards the end of pleistocene, when the sea level was much lower than today. It is thought that the men started by sailing on the short distance separating the islands from the Probe of Sahul to disperse then through the continent. Archeology revealed a human habitat in the upstream of the Swan River in Western Australia going back approximately 40.000 years. They arrive in Tasmanie, at the time also connected by a terrestrial bridge, approximately 30.000 years ago. It would be remainder the oldest proof of human Navigation on a long distance, with the limit of the visual capacities.
6.000 years ago, with the end of the period of the glaciations, the sea level goes back to its current level, submerging the terrestrial bridge between Australia and New Guinea. The populations of New Guinea, Australia and Tasmanie from now on will experience a separate development. The ancestors of the Papous of New Guinea, at least those of the highlands, will set up a complex system of Horticulture whose first traces go back to 9.000 years ago, that is to say on a date just posterior with those found in Mésopotamie and which one generally indicates like oldest. Contrary, the Aborigènes of Australia will remain hunters-gatherers, the geoclimatic conditions (or the resources huntings) being less favorable to agriculture.
See also: Indigenous of Australia, Papous
See also: Settlement of the insular Southeast Asia
These populations austronésiennes which settle in Oceania have another characteristic: they are potters. The father Otto Meyer will be the first to discover these potteries in 1909 on the island of Watom, in the Archipel Bismarck (currently in New Guinea-News Guinea). In 1917, the geologist Maurice Piroutet found of it in his turn in a locality of the north of the New Caledonia called Lapita. This name was retained thereafter by the archeologists to indicate the whole of these potteries and the cultural complex which is associated there, which characterizes a surface active of the New Guinea in the islands Tonga and Samoa. Various building sites of excavations go throughout the 20th century, to put at the day of other specimens of these potteries on all the Western part of the Pacific (or close Oceania), the the Solomon Islands, the Vanuatu, the New Caledonia, the Fiji, Wallis and Futuna until the Samoa.
One of the interrogations concerning these Lapita potteries is their quasi absence in Eastern Polynesia, since archeology could not until today, to discover of it that some shards with the Marquesas Islands. This is why certain researchers evoked the idea that the inhabitants of the distant Oceania would not have passed (or then without being remained there a long time) by what is called traditionally the Mélanésie but more to north by the Filipino and the Micronesia. Separation or clear distinction, between Mélanésiens and Polynésiens, based on the Color of the skin and a degree of culture differentiated was a long time a constant of the scientific research of XIXe and XXe century. Recent research Génétique S nevertheless showed that those which one calls " Polynésiens" and " Mélanésien s" had the same origin.
Another interrogation was to wonder the reason which could push these populations to be inserted always further towards the east, while at the same time winds and dominant currents were contrary for them. First brief reply, that put more than 3.000 years. The archeologists also evoked the possibility that these migratory waves took place only during the periods when the phenomenon El Niño appeared. Lastly, another more pragmatic explanation was advanced these last years. Austronésiens travelled on board dugouts which, according to what one can know by the oral tradition, and certain archaeological or historical evidence, could embark to about fifty passengers. The provisions could be only limited. Thus, while sailing against the wind, they were certain that in the event of failure in the discovery of new grounds to populate to be able to return quickly to good port benefitting this time from a back wind. This theory must nevertheless be modulated according to the experiments led to edge of counterparts. " pahi" went up very badly against the wind but were very at ease with the paces close to the wind to through. Consequently, and taking into account the direction of the dominant winds, the trade wind of SE in particular, one can imagine either of the crossings in zigzags, or of the crossings with 70 or 80% of the wind. Nevertheless according to the New Zealand ethnologist Elsdon Best the wind was not the single means of propulsion of these boats, " although the veils were employed by the navigators maori, to row was the most common method "
See also: Austronésiens
See also: Lapita
Very the weak density of grounds in the Pacific makes improbable the success of such voyages. To find an island randomly navigation is largely insufficient. The océaniens developed a science of very fine navigation.
the night the stars are an invaluable reference mark. The navigators organized a star reference mark relay, this “way of stars” undoubtedly asked for a long training as well as an great attention for the pilot.
the presence of birds indicates a ground in the vicinity, according to the species one can evaluate the distance from the ground well before seeing it. Moreover the evening certain species return to ground it is then enough to follow their direction.
However, this myth was also asserted by the Maori themselves through the syncretic movement of the " Te Nakahi" whose leaders such as later known Papahurihia under the name of Te Atua Wera or Wero said themselves to go down from Brace. Announced first once in the Bay of the islands in July 1833 then later to Hokianga, the birth of Te Nakahi coincides with the multiplication of the first Maori baptisms. Mixing precepts of the Old Testament and rites ancestral, its followers saw in this filiation with the " Hurai" (Jews in maori), the assertion of an identity put at evil by the missions. This worship was also to thereafter influence in a dominating way the revolt of Hone Heke in the north of the country and the royalist movement maori of the decade 1850, the first king maori Potatau You Wherowhero continuing to go down from last kings d' Israël.
In the Fifties of the 20th century, a young Norwegian doctorand , Thor Heyerdahl postulates an Amerindian origin Polynesians. It supports its theory on a certain number of points which for him have force of evidence:
Heyerdahl is also based on the oral traditions of the populations of America and Polynesia.
These arguments tend for the modern scientists to prove that the Polynesians reached the American continent, and not the reverse, of which they thus brought back sweet potato (and the name), because it is easier, curiously, to leave against the wind (what makes it possible to return more easily to the fold if one finds no ground).
One of the principal arguments defended by the opponents with the theory of Heyerdahl was at the time saying that the wood used for the construction of the traditional boats incas was Balsa. However the balsa is a porous wood which is done everything appropriate to the construction of boats intended for the coastal traffic or at least for navigation close to the coasts but surely not for a crossing of several thousands of nautical miles. To answer its detractors, Heyerdahl and some of its partisans whose Bengt Danielson, will try to rejoin the Peru in Tahiti on board a baptized boat the Kon-Tiki. If everyone agrees to say today that there undoubtedly were contacts between Océaniens and the Amerindian populations of the South American continent (because it is highly probable that the Polynesians reached the American continent and not the reverse), nobody calls more into question the fact that the populations of the Pacific are originating in the continent of Asia, which proves the Linguistique, the Génétique of the populations and the ethnobotanic modern ones.
Tereraa : Voyages and settlement of the Pacific Islands. /Eric Tells. - Tahiti: Polymages-Scoop editions, 1995. - 43 p.: ill. in coul. 21 cm. ISBN 2-909790-04-5
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