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Nomadic pastoralism
Nomadic pastoralism is a form of pastoralism when livestock are herded in order to find fresh pastures on which to graze. Strictly speaking, true nomads follow an irregular pattern of movement, in contrast with transhumance where seasonal pastures are fixed. However this distinction is often not observed and the term nomad used for both—in historical cases the regularity of movements is often unknown in any case. The herded livestock include cattle, yaks, sheep, goats, reindeer, horses, donkeys or camels, or mixtures of species. Nomadic pastoralism is commonly practised in regions with little arable land, typically in the developing world, especially in the steppe lands north of the agricultural zone of Eurasia. Of the estimated 30–40 million nomadic pastoralists worldwide, most are found in central Asia and the Sahel region of West Africa. Increasing numbers of stock may lead to overgrazing of the area and desertification if lands are not allowed to fully recover between one grazing period and the next. Increased enclosure and fencing of land has reduced the amount of land available for this practice.
==Origin==
The nomadic pastoralism was a result of the Neolithic revolution. During the revolution, humans began domesticating animals and plants for food and started forming cities. Nomadism generally has existed in symbiosis with such settled cultures trading animal products (meat, hides, wool, cheeses and other animal products) for manufactured items not produced by the nomadic herders. Henri Fleisch tentatively suggested the Shepherd Neolithic industry of Lebanon may date to the Epipaleolithic and that it may have been used by one of the first cultures of nomadic shepherds in the Beqaa valley.〔Fleisch, Henri., Notes de Préhistoire Libanaise : 1) Ard es Saoude. 2) La Bekaa Nord. 3) Un polissoir en plein air. BSPF, vol. 63, 1966.〕 Andrew Sherratt demonstrates that "early farming populations used livestock mainly for meat, and that other applications were explored as agriculturalists adapted to new conditions, especially in the semi‐arid zone."〔Sherratt, Andrew (1983), "The secondary exploitation of animals in the Old World" in (World Archaeology Volume 15, Issue 1, 1983 Special Issue: Transhumance and pastoralism)〕
In the past it was asserted that pastoral nomads left no presence archaeologically but this has now been challenged,〔Cribb, R (1991) (Nomads in Archaeology. ) Cambridge University Press. Cambridge.〕 and was clearly not so for many ancient Eurasian nomads, who have left very rich kurgan burial sites. Pastoral nomadic sites are identified based on their location outside the zone of agriculture, the absence of grains or grain-processing equipment, limited and characteristic architecture, a predominance of sheep and goat bones, and by ethnographic analogy to modern pastoral nomadic peoples〔Oriental Institute of Chicago "Nomads, Tribes, and the State in the Ancient Near East: Cross-Disciplinary Perspectives".〕 Juris Zahrins has proposed that pastoral nomadism began as a cultural lifestyle in the wake of the 6200 BC climatic crisis when Harifian pottery making hunter-gatherers in the Sinai fused with Pre-Pottery Neolithic B agriculturalists to produce the Munhata〔Perrot J. (1964), "Les deux premieres campagnesde feuilles a Munhata" Syria XLI pp323-45〕 culture, a nomadic lifestyle based on animal domestication, developing into the Yarmoukian〔Mellaart, James (1975), The Neolithic of the Near East (London: Thames and Hudson), pp. 239-241〕 and thence into a circum-Arabian nomadic pastoral complex, and spreading Proto-Semitic languages.〔Zarins, Juris (1992) "Pastoral Nomadism in Arabia: Ethnoarchaeology and the Archaeological Record," in O. Bar-Yosef and A. Khazanov, eds. "Pastoralism in the Levant"〕
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