![]() ![]() 1450, and was associated with the Late Intermediate Aymara Kingdoms of the zone. 400, and was associated with the early farming cultures in the basin and the later Pukara culture. Two phases were defined by the excavations. Thermoluminescence dates from ceramics within raised fields provided critical data of construction and use periods of the agricultural system. The results of archaeological survey, excavation and experimentation conducted between 19 indicate that 1) raised field agriculture appears relatively early 2) raised field agriculture, although intensive in terms of cropping frequency and high production rates, is not necessarily labor intensive 3) long-term sustained yields relative to low total labor input make this a very efficient agricultural system and 4) the construction and management of raised fields are well within the means of individual farming families and locally organized social groups, and do not necessarily require the mechanisms of a centralized bureaucracy to ensure their use and functioning. ![]() Specific issues regarding 1) the process of intensification of agriculture and agricultural change and 2) the relationship between social organization and intensive agricultural systems are investigated. Raised field origins, their relationship to population, and the social organization and labor necessary for their construction and maintenance are addressed. This dissertation focuses on the evolutionary history and ecology of raised field agriculture in the Lake Titioaca Basin of Peru. Raised field agriculture enabled dense populations to exist under environmental conditions that are today considered to be marginal for agricultural production. The remains of raised fields found throughout various regions of the Americas are a remarkable tribute to the farming and engineering skills of the prehispanic inhabitants of these areas. ![]()
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