An Ecological Tetrad (12-5-07)

An Ecological Tetrad (12-5-07) - 5 December 2007 An...

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5 December 2007 An Ecological Tetrad and the Entrenchment of Ethnic Territoriality - interactions between village farmer, tribal herders, and urban traders and craft specialists o Animals are essentially a bank on hoofs. o Millet is very important, what is left after harvest is still nutritious for animals - The fusion of lineage and landscape through usufruct and trade at each major town and then city. - When one part of the Tetrad falls the whole thing can fall down Mesopotamia Irrigation Salinity crisis o 2000 BC (politics) salt started to build up in the field o 1100 BC (climate) o 1200 AD (Politics) Early Dynastic Egypt (2950-2575 BC) no salinity crisis a lot of it was irrigated Ancient Egyptian Irrigation Relied on the flooding of the Nile river Bunch of primary canals and secondary canals that carried water into the fields Overflow was put back into the Nile Autumn is time of flooding Nothing is planted during the flood season Areas farthest from Nile river you get wheat, little closer = barely, little closer =
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This note was uploaded on 03/27/2008 for the course ENVIRONMEN 139 taught by Professor Gartner during the Fall '07 term at Wisconsin.

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An Ecological Tetrad (12-5-07) - 5 December 2007 An...

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