EARLY AGRICULTURAL SITES – Archaeological evidence from different parts of the world has established that the transition to agriculture was not so much a result of intention or zeal to make the plants and animals more useful. Rather, social forces as density of population and changing ecological conditions compelled human communities to tap the potentiality inherent in certain plants and animals in such a manner that they became useful to them on a sustainable basis.

The life of hunter-gatherers in West Asia was affected by climatic fluctuation that occurred towards the end of the Pleistocene. Fresh research has shown that climate and changes in vegetation varied in different parts of West Asia. New evidence from deep-sea cores, surface sediments and the pollen cores recovered form the lakes of South West Asia show that the climate was cool and dry during the Upper Paleolithic period. The increase in temperature immediately after the end of the Pleistocene was followed by an increase in dryness around 12,000 BP.

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