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The Great American Biotic Interchange (commonly abbreviated as GABI), also known as the Great American Interchange and the Great American Faunal Interchange, was an important late Cenozoic paleozoogeographic biotic interchange event in which land and freshwater fauna migrated from North America to South America via Central America and vice ...
Map of early human migrations based on the Out of Africa theory; figures are in thousands of years ago (kya). [1]The peopling of the Americas began when Paleolithic hunter-gatherers (Paleo-Indians) entered North America from the North Asian Mammoth steppe via the Beringia land bridge, which had formed between northeastern Siberia and western Alaska due to the lowering of sea level during the ...
Examples of Clovis and other Paleoindian point forms, markers of archaeological cultures in North America. The Solutrean hypothesis on the peopling of the Americas is the claim that the earliest human migration to the Americas began from Europe during the Solutrean Period, with Europeans traveling along pack ice in the Atlantic Ocean.
The coastal migration hypothesis is one of two leading hypothesis about the settlement of the Americas at the time of the Last Glacial Maximum.It proposes one or more migration routes involving watercraft, via the Kurile island chain, along the coast of Beringia and the archipelagos off the Alaskan-British Columbian coast, continuing down the coast to Central and South America.
Nomadic pastoralism also known as Nomadic herding, is a form of pastoralism in which livestock are herded in order to seek for fresh pastures on which to graze.True nomads follow an irregular pattern of movement, in contrast with transhumance, where seasonal pastures are fixed. [1]
Pastoral nomads who are residents of arid climates include the Fulani of the Sahel, the Khoikhoi of South Africa and Namibia, groups of Northeast Africa such as Somalis and Oromo, and the Bedouin of the Middle East. Most nomads travel in groups of families, bands, or tribes. These groups are based on kinship and marriage ties or on formal ...
Within the underground railroad, many escaped slaves desired to go to British North America (today's Canada), since its long border made it easy to flee to, it was further from slave catchers, and not under the rule of the U.S. Fugitive Slave Acts. Most escaped slaves, reaching Canada by boat across Lake Erie and Lake Ontario, settled in Ontario.
In South Africa the transhumance lifestyle of the Nama clan of the Khoikhoi continues in the Richtersveld, a montane-desert located close to the Atlantic coast in the northwestern area of the country. In this area, people move seasonally (three or four times per annum) with their herds of sheep and goats.