本頁只刊出中文翻譯與中文說明；英文原文請見下方原文連結。
原文連結
論文資訊
- 類型：已發表論文
- 日期：2008
摘要
Maize agriculture was practiced in the U.S. Southwest slightly before 2000 B.C., but had a negligible impact on 族群 growth rates until the development or introduction of more productive landraces: the ability to successfully cultivate maize under a greater variety of conditions, with dry farming especially important; the addition of beans, squash, and eventually turkey to the diet; increased sedentism; and what we infer to be the remapping of exchange 網絡s and the development of efficient exchange strategies in first-millenium-A.D. villages. Our estimates of birthrates and growth rates are derived from the proportions of immature individuals among human remains. These proportions are somewhat affected by warfare in our region, and perhaps also by 氣候. Nevertheless, there is a strong identifia
※ 此為已發表論文，全文需透過期刊付費取得