Fossils from Mille-Logya, Afar, Ethiopia, elucidate the link between Pliocene environmental changes and Homo origins

被引：24

作者：

Alemseged, Zeresenay ^{[1
]}

Wynn, Jonathan G. ^{[2
]}

Geraads, Denis ^{[3
]}

Reed, Denne ^{[4
]}

Barr, W. Andrew ^{[5
]}

Bobe, Rene ^{[6
,7
,8
]}

McPherron, Shannon P. ^{[9
]}

Deino, Alan ^{[10
]}

Alene, Mulugeta ^{[11
]}

Sier, Mark J. ^{[12
,13
]}

Roman, Diana ^{[14
]}

Mohan, Joseph ^{[15
]}

机构：

[1] Univ Chicago, Dept Organismal Biol & Anat, 1025 E 57Th St, Chicago, IL 60637 USA

[2] Natl Sci Fdn, Div Earth Sci, Alexandria, VA USA

[3] Sorbonne Univ, MNHN, CNRS, CR2P,UPMC, CP 38,8 Rue Buffon, F-75231 Paris 05, France

[4] Univ Texas Austin, Dept Anthropol, Austin, TX 78712 USA

[5] George Washington Univ, Ctr Adv Study Human Paleobiol, Dept Anthropol, Washington, DC 20052 USA

[6] Univ Oxford, Sch Anthropol, Primate Models Behav Evolut Lab, Inst Cognit & Evolutionary Anthropol, Oxford, England

[7] Gorongosa Natl Pk, Sofala, Mozambique

[8] Univ Algarve, Interdisciplinary Ctr Archaeol & Evolut Human, Faro, Portugal

[9] Max Planck Inst Evolutionary Anthropol, Dept Human Evolut, Leipzig, Germany

[10] Berkeley Geochronol Ctr, 2455 Ridge Rd, Berkeley, CA USA

[11] Addis Ababa Univ, Sch Earth Sci, POB 1176, Addis Ababa, Ethiopia

[12] CENIEH, Paseo Sierra de Atapuerca 3, Burgos 09002, Spain

[13] Univ Oxford, Dept Earth Sci, South Parks Rd, Oxford OX1 3AN, England

[14] Carnegie Inst Sci, Earth & Planets Lab, Washington, DC 20015 USA

[15] Univ Maine, Climate Change Inst, Orono, ME 04469 USA

来源：

NATURE COMMUNICATIONS | 2020年 / 11卷 / 01期

关键词：

MIDDLE AWASH VALLEY; HADAR FORMATION; LEDI-GERARU; HUMAN-EVOLUTION; TURKANA BASIN; DEPRESSION; DEPOSITS; PLIOPLEISTOCENE; STRATIGRAPHY; MAMMALIA;

D O I：

10.1038/s41467-020-16060-8

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Several hypotheses posit a link between the origin of Homo and climatic and environmental shifts between 3 and 2.5Ma. Here we report on new results that shed light on the interplay between tectonics, basin migration and faunal change on the one hand and the fate of Australopithecus afarensis and the evolution of Homo on the other. Fieldwork at the new Mille-Logya site in the Afar, Ethiopia, dated to between 2.914 and 2.443Ma, provides geological evidence for the northeast migration of the Hadar Basin, extending the record of this lacustrine basin to Mille-Logya. We have identified three new fossiliferous units, suggesting in situ faunal change within this interval. While the fauna in the older unit is comparable to that at Hadar and Dikika, the younger units contain species that indicate more open conditions along with remains of Homo. This suggests that Homo either emerged from Australopithecus during this interval or dispersed into the region as part of a fauna adapted to more open habitats.

引用

页数：12

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