Preventing human migration to Australia

Hey chaps, i'm in the process of writing up a timeline that looks at a drastically different Australia.

One such way is that the Aborigines of Australia don't migrate onto the continent...and i'm sure how I can go about that. So, at the moment, i'm looking for ways to prevent the arrival of humans to the continent. Could there be geological events that could happen or more human based? Any advice you can give on that front would be most appreciated.
 

Pangur

Donor
Hey chaps, i'm in the process of writing up a timeline that looks at a drastically different Australia.

One such way is that the Aborigines of Australia don't migrate onto the continent...and i'm sure how I can go about that. So, at the moment, i'm looking for ways to prevent the arrival of humans to the continent. Could there be geological events that could happen or more human based? Any advice you can give on that front would be most appreciated.

Depending on just what you mean it may not be that hard. If mean no aboriginals but the visits by the Chinese, French and what not later is `allowed' the what you need is to have the drop the sea levels of the coast of the northern part of WA drastically say 60 K years ago, same of the coast of the NT and keep it like that
 
Nice try, prehistoric marsupial megafauna.

THEY WILL HAVE THEIR VENGEANCE! :p

Depending on just what you mean it may not be that hard. If mean no aboriginals but the visits by the Chinese, French and what not later is `allowed' the what you need is to have the drop the sea levels of the coast of the northern part of WA drastically say 60 K years ago, same of the coast of the NT and keep it like that

Yeah, basically the aborigines and their original ancestors who arrived on the continent. Also, seeing as any geological PODs are reserved for the ASB thread, i'll probably need to look at something that doesn't involve the world literally changing.
 

Pangur

Donor
THEY WILL HAVE THEIR VENGEANCE! :p



Yeah, basically the aborigines and their original ancestors who arrived on the continent. Also, seeing as any geological PODs are reserved for the ASB thread, i'll probably need to look at something that doesn't involve the world literally changing.

Fair enough - that makes it near enough impossible
 
If the Aboriginals don't arrive, then would any other seafaring culture in that region take initiative instead? New Guinean languages are found surprisingly far outside of New Guinea, so there was clearly some expansion going on by New Guineans at some point. Any contact I'd assume was sporadic and not continued since the Aboriginals had nothing really to offer, but if there are no Aboriginals, at some point some group of New Guineans will find a giant continent wide open with no potential enemies beside the wildlife.

And if not them, I bet some other culture would, creating alt-Aboriginals in place of the original.
 
As Australia and New Guinea were one landmass during the Ice Age are we blocking settlment to New Guinea too?
 
As Australia and New Guinea were one landmass during the Ice Age are we blocking settlment to New Guinea too?

Hmm, I didn't actually think of that, given that Australia and New Guinea are all apart of the Sahul Shelf. My desired idea would be that only Australia is left uninhabited (until the Pleistocene Ice Age ends in any case). Though if New Guinea remains untouched as well, so be it, as my original concern would be that of the loss of the Polynesians (but their forebearers apparently came from Taiwan so it'd be fine).
 
New Guinea is virtually Australia's next door neighbor, so one or more of the New Guinea tribes would try settling Australia. And if New Guinea wasn't settled, still there's Indonesia which has plenty of tribes and is close enough to try. Basically an un-populated Australia is the same as un-populated North/
South America, unlikely with neighboring continents who has nomadic tribes and some population pressure.
 
Hmm, I didn't actually think of that, given that Australia and New Guinea are all apart of the Sahul Shelf. My desired idea would be that only Australia is left uninhabited (until the Pleistocene Ice Age ends in any case). Though if New Guinea remains untouched as well, so be it, as my original concern would be that of the loss of the Polynesians (but their forebearers apparently came from Taiwan so it'd be fine).
True, but the Banana has had a relatively significant impact around the world since at least the Medieval era.
 
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