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Ref ID: 26634
Ref Type: Journal Article
Authors: Sutikna, Thomas
Tocheri, Matthew W.
Faith, J. Tyler
Awe, Rokus Due
Meijer, Hanneke J. M.
Saptomo, E. Wahyu
Roberts, Richard G.
Title: The spatio-temporal distribution of archaeological and faunal finds at Liang Bua (Flores, Indonesia) in light of the revised chronology for <i>Homo floresiensis</i>
Date: 2018
Source: Journal of Human Evolution
DOI: 10.1016/j.jhevol.2018.07.001
Abstract: Liang Bua, the type site of <i>Homo floresiensis,</i> is a limestone cave on the Indonesian island of Flores with sedimentary deposits currently known to range in age from about 190 thousand years (ka) ago to the present. Recent revision of the stratigraphy and chronology of this depositional sequence suggests that skeletal remains of <i>H. floresiensis</i> are between ∼100 and 60 ka old, while cultural evidence of this taxon occurs until ∼50 ka ago. Here we examine the compositions of the faunal communities and stone artifacts, by broad taxonomic groups and raw materials, throughout the ∼190 ka time interval preserved in the sequence. Major shifts are observed in both the faunal and stone artifact assemblages that reflect marked changes in paleoecology and hominin behavior, respectively. Our results suggest that <i>H. floresiensis</i> and <i>Stegodon florensis insularis,</i> along with giant marabou stork (<i>Leptoptilos robustus</i>) and vulture (<i>Trigonoceps</i> sp.), were likely extinct by ∼50 ka ago. Moreover, an abrupt and statistically significant shift in raw material preference due to an increased use of chert occurs ∼46 thousand calibrated radiocarbon (14C) years before present (ka cal. BP), a pattern that continues through the subsequent stratigraphic sequence. If an increased preference for chert does, in fact, characterize <i>Homo sapiens</i> assemblages at Liang Bua, as previous studies have suggested (e.g., Moore et al., 2009), then the shift observed here suggests that modern humans arrived on Flores by ∼46 ka cal. BP, which would be the earliest cultural evidence of modern humans in Indonesia.
Date Created: 5/8/2019
Volume: 124
Page Start: 52
Page End: 74