[marktwain]

Both studies are unique because they relied on past environmental information and did not use any genetic data.

Thus avoiding the controversy over *when* the lastest aboriginal inhabitants arrived, and how many waves of immigrants there were.

[SunkenCiv]

I'd be surprised if it were only one wave. There may have been some good sound solid reason why Australia was unattractive to settlement, but I just have a hard time buying it when someone (or "the consensus") claims this or that landmass has (or had) a population that has been isolated for 10s or even 100s of 1000s of years.