Southern dispersal

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Southern dispersal, also known as the great coastal migration or rapid coastal settlement, was an early human migration along the southern coastal route, from the Arabian Peninsula via Persia and India to Southeast Asia and Oceania, with later descendants of those migrations eventually colonizing the rest of Eastern Eurasia and the Americas. According to this thesis, the dispersal was possible thanks to the development of a multipurpose subsistence strategy, based on the collection of organisms, fish, crustaceans, molluscs, and algae, which are part of the biotic communities of the intertidal zone, the transition ecosystem between land and sea between the upper limit of high tides and the lower limit of low tides, i.e. organisms left behind by the waters which retreat during ebb tide, and which people could harvest from the ground and reefs left unsubmerged or in shallow water at low tide. In support of this hypothesis there are the remains found on an ancient Pleistocene reef, now emerged...

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