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Nevertheless, the conventional interpretation holds that the Aboriginal people, though nomadic, had a very strong sense of attachment to sites and areas in their home territory, where most of their hunting and gathering was done.
The need to balance population with resources meant that most of the time people were dispersed into small food-gathering groups.
It has long been conventionally held that Australia is the only continent where the entire Indigenous population maintained a single kind of adaptation—hunting and gathering—into modern times.
Some scholars now argue, however, that there is evidence of the early practice of both agriculture and aquaculture by Aboriginal peoples.
However, most now accept that there was a wide range of variation in pre-European populations.
It has also been argued that one group on the Murray River practiced a form of cosmetic cranial deformation that led to their different appearance.
By about 35,000 years ago all of the continent had been occupied, including the southwest and southeast corners (Tasmania became an island when sea levels rose sometime between 13,500 and 8,000 years ago, thus isolating Aboriginal people who lived there from the mainland) as well as the highlands of the island of New Guinea.
Archaeological evidence suggests that occupation of the interior of Australia by Aboriginal peoples during the harsh climatic regime of the last glacial maximum (between 30,000 and 18,000 years ago) was highly dynamic, and all arid landscapes were permanently occupied only roughly 10,000 years ago.The blurring of such boundaries accords with strong cultural emphases on diffusion and the expansion of networks of relationships through kinship, marriage alliance, exchange, and religious activities.Greater emphasis on maintaining boundaries, together with higher levels of ethnocentrism and intergroup conflict, were more likely (but not invariably) to be found in resource-rich areas with higher population densities.Population densities ranged from roughly 1 to 8 square miles (2.6 to 20.7 square km) per person in fertile riverine and coastal areas to more than 35 square miles (90 square km) per person in the vast interior deserts.Estimates of Aboriginal population vary from 300,000 to more than 1,000,000.The dingo, a type of wild dog, appeared in Australia only 5,000 to 3,000 years ago, which postdates the time that Aboriginal people began hafting small stone implements into composite tools some 8,000 years ago.Tags: Adult Dating, affair dating, sex dating