Anthropology 2231F/G Lecture 19: Lecture 19 – Chaco Phenomena- 1000-1150 AD
13 Jul 2012
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Why: pochtecas, internal trade/buffering turquoise. Occurred when the weather was very good, developed to deal with shortages when none were expected: population and irrigation. People filled the area, people forced to use irrigation to supply water to all plants. Needed to set up decision makers, where to make them, how much water each, because so many people were attracted to the area. Risk-pooling: how to get around risks by pooling goods. Evens out the risk of shortfalls over a large area. Suggests intelligent commoners general population saw advantages in pooling resources, forcing people to become leaders to organize the community and flow of goods. Real irrigational systems developed after development of managerial system, trying to produce surpluses every year: good climate. 1050-1130 ad above average rainfall for all these years, based on dendrochronology. Generating surpluses, keeps coming in and none going out because no one need it, storage.
