Pleistocene Water Crossings and Adaptive Flexibility Within the Homo Genus

IF 4.2 1区 历史学 Q1 ANTHROPOLOGY Journal of Archaeological Research Pub Date : 2020-09-14 DOI:10.1007/s10814-020-09149-7
Dylan Gaffney
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引用次数: 19

Abstract

Pleistocene water crossings, long thought to be an innovation of Homo sapiens, may extend beyond our species to encompass Middle and Early Pleistocene Homo. However, it remains unclear how water crossings differed among hominin populations, the extent to which Homo sapiens are uniquely flexible in these adaptive behaviors, and how the tempo and scale of water crossings played out in different regions. I apply the adaptive flexibility hypothesis, derived from cognitive ecology, to model the global data and address these questions. Water-crossing behaviors appear to have emerged among different regional hominin populations in similar ecologies, initially representing nonstrategic range expansion. However, an increasing readiness to form connections with novel environments allowed some H. sapiens populations to eventually push water crossings to new extremes, moving out of sight of land, making return crossings to maintain social ties and build viable founder populations, and dramatically shifting subsistence and lithic provisioning strategies to meet the challenges of variable ecological settings.
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更新世跨水和人属的适应性灵活性
更新世的渡水,长期以来被认为是智人的创新,可能超越了我们的物种,包括中新世和早更新世的人类。然而,目前尚不清楚的是,在不同的人类种群中,跨水行为是如何不同的,智人在这些适应性行为中具有独特的灵活性,以及跨水的速度和规模在不同地区是如何发挥作用的。我运用来自认知生态学的适应性灵活性假说来模拟全球数据并解决这些问题。在相似的生态环境中,跨水行为似乎在不同区域的人类种群中出现,最初代表了非战略性的范围扩张。然而,与新环境建立联系的意愿日益增强,使得一些智人种群最终将渡水推到了新的极端,离开陆地,通过返回渡水来维持社会关系并建立可行的创始人种群,并戏剧性地改变生存和石器供应策略,以应对多变的生态环境的挑战。
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来源期刊
CiteScore
10.20
自引率
7.90%
发文量
9
期刊介绍: Journal of Archaeological Research publishes the most recent international research summaries on a broad range of topics and geographical areas. The articles are intended to present the current state-of-the-discipline in regard to a particular geographic area or specific research topic or theme. This authoritative review journal improves access to the growing body of information and literature through the publication of original critical articles, each in a 25-40 page format.2-Year Impact Factor: 4.056 (2017) 5-Year Impact Factor: 4.512 (2017)2 out of 85 on the Anthropology listIncluded in the European Reference Index for the Humanities (ERIH) PLUS The European Reference Index for the Humanities and the Social Sciences (ERIH PLUS) was created and developed by European researchers under the coordination of the Standing Committee for the Humanities (SCH) of the European Science Foundation (ESF). https://dbh.nsd.uib.no/publiseringskanaler/erihplus/about/indexSCImago Journal and Country Rank (SJR) 2018: 1.7102 out of 263 on the Archeology (Arts and Humanities) list3 out of 254 on the Archeology list2 out of 131 on the General Arts and Humanities listSJR is a measure of the journal’s relative impact in its field, based on its number of citations and number of articles per publication year.Source Normalised Impact per Paper (SNIP) 2018: 2.112The SNIP measures contextual citation impact by weighting citations based on the total number of citations in a subject field. The impact of a single citation is given higher value in subject areas where citations are less likely, and vice versa.CiteScore 2018: 3.86Rated ''A'' in the Australian Research Council Humanities and Creative Arts Journal List.  For more information, visit: http://www.arc.gov.au/era/journal_list.htm  SCImago Journal and Country Rank (SJR) 2011   1.227 Archeology 1 out of 96 Archeology (Arts and Humanities) 1 out of 59 Arts and Humanities (miscellaneous) 1 out of 243
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