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論文資訊
- 類型：已發表論文
- 日期：2014-12-04
摘要
Humans experience, adapt to and influence 氣候 at local scales. Paleo氣候 research, however, tends to focus on continental, hemispheric or global scales, making it difficult for archaeologists and paleoecologists to study local effects. Here we introduce a method for high-frequency, local 氣候-field reconstruction from tree-rings. We reconstruct the rain-fed maize agri文化 niche in two regions of the southwestern United States with dense 族群s of prehispanic farmers. Niche size and stability are highly variable within and between the regions. Prehispanic rain-fed maize farmers tended to live in agri文化 refugia-areas most reliably in the niche. The timing and trajectory of the famous thirteenth century Pueblo migration can be understood in terms of relative niche size and stability. Local reconstructi
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