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原文連結
論文資訊
- 類型：已發表論文
- 日期：2017
摘要
We report a study of central Maya lowland dynastic 資訊 網絡s, i.e., six cities' external elite ceramic influences, and how they reflect the decision-making practices of Maya elites over 3000 years. 森林 cover, i.e., Moraceae family pollen, was added to the 網絡 analysis to provide ecological boundary conditions, thus ecologically moderated 資訊 網絡s. Principal components analysis revealed three dominant patterns. First, the 網絡ing of interior cities into powerful polities in the Late Preclassic and Classic periods (400 BCE-800 CE). In a second pattern, coastal cities emerged as key entrepots based on 海洋 navigation (Terminal and Postclassic periods, 800-1500 CE). 氣候 dynamics and 永續 considerations facilitated the transition. 森林 cover, a measure of ecosystem health, shows interior 森林s diminished as inte
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