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Late Pleistocene and Early Holocene climate changes and human habitation in the arctic Western Beringia based on revision of palaeobotanical data
Quaternary International ( IF 1.9 ) Pub Date : 2020-05-01 , DOI: 10.1016/j.quaint.2020.04.015
Elena Y. Pavlova , Vladimir V. Pitulko

Abstract Paleoenvironmental and paleoclimatic changes at the transition from the Late Pleistocene to the Early Holocene in the arctic Western Beringia (AWB) appear to be extremely important for human habitation record of the area. To estimate that we used multiple paleoenvironmental proxy-data collected from different locations (n = 30) and archaeological data from radiocarbon-dated sites (n = 36). Based on correlations between pollen records and their radiocarbon chronology we combined paleoenvironmental data into single generalized sequence for the entire AWB compared to global temperature trend and placed archaeological data on the same time scale. General trend of paleoclimatic changes in the second half of Late Pleistocene is explored, in which the sequence of major climate changes within Marine Isotope Stages 3 and 2, and in the beginning of the Holocene are revealed. Climate changes and landscape evolution play as a key governing factor for the human population of the area since its initial phase. Human habitation is documented starting ca. 50,000 BP. Since then, AWB remains human populated but witnessed a number of cultural changes and intrusions before the present-day map of ethnic groups became finally formed. Repeated arrival of new population into AWB finds strong correlation with major paleogeographic events, both cold and warm, such as Last Glacial Maximum, Younger Dryas, and the onset of the Holocene. It is shown that human habitation had been consistently driven by various abiotic and biotic factors, that is, by complex interpaly of development in plant and faunistic associations, landscape evolution, tree line change, and climate-driven changes in spatiotemporal patterns of population dynamics in megaherbivores, especially mammoth.

中文翻译:

基于古植物学数据修正的西白令北极地区晚更新世和早全新世气候变化与人类居住地

摘要 西白令北极(AWB)晚更新世至早全新世过渡时期的古环境和古气候变化对该地区的人类居住记录具有极其重要的意义。为了估计我们使用了从不同地点 (n = 30) 收集的多个古环境代理数据和来自放射性碳测年地点 (n = 36) 的考古数据。基于花粉记录与其放射性碳年代学之间的相关性,我们将古环境数据合并为整个 AWB 与全球温度趋势相比的单一广义序列,并将考古数据放在相同的时间尺度上。探讨了晚更新世后半期古气候变化的总体趋势,其中海洋同位素第3阶段和第2阶段的主要气候变化序列,并在全新世的开始被揭示。自初始阶段以来,气候变化和景观演变就成为该地区人口的关键控制因素。人类居住记录从大约开始。50,000 BP。从那时起,AWB 仍然有人居住,但在今天的族群地图最终形成之前,见证了许多文化变化和入侵。新种群的重复进入 AWB 发现与主要古地理事件(冷和暖)有很强的相关性,例如末次冰期最大值、新仙女木和全新世的开始。研究表明,人类居住一直受到各种非生物和生物因素的驱动,即植物和动物群发展的复杂相互作用、景观演变、林木线变化、
更新日期:2020-05-01
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