Abstract:
:Central to the debate surrounding global climate change and Plio-Pleistocene hominin evolution is the degree to which orbital-scale climate patterns influence low-latitude continental ecosystems and how these influences can be distinguished from regional volcano-tectonic events and local environmental effects. The Pliocene Hadar Formation of Ethiopia preserves a record of hominin paleoenvironments from roughly 3.5 to 2.2 Ma at a temporal resolution relevant to evolutionary change within hominins and other taxa. This study integrates the high-resolution sedimentological and paleontological records at Hadar with climate proxies such as marine core isotope, dust, and sapropel records. Consistent cycling observed both between and within fluvial and lacustrine depositional environments prior to 2.9 Ma at Hadar appears to be predominantly climatic in nature. In contrast a significant change in depositional facies after 2.9 Ma to sequences dominated by conglomerate cut-and-fill cycles indicates a strong tectonic signature related to regional developments in the Main Ethiopian Rift. While specific events seen in marine proxy records may have parallels in the Hadar environmental archive, their overall patterns of high versus low variability may be even more relevant. For example, periods of relatively high-amplitude climate oscillations between 3.15 and 2.95 Ma may be linked to noted size-related morphological changes within the Hadar Australopithecus afarensis lineage and a significant increase in more arid-adapted bovid taxa. Increased aridity in East Africa during this period is also indicated by peaks in eolian dust in the marine core record. Conversely, the dominant lacustrine phase at Hadar ca. 3.3 Ma coincides with the least variable period in several climate proxy records, including marine core foraminifera delta(18)O values and eolian dust concentration. This phase is also coeval with low insolation variability and a very distinct and significant long-term period of low dust percentage in circum-Africa marine cores.
journal_name
J Hum Evoljournal_title
Journal of human evolutionauthors
Campisano CJ,Feibel CSdoi
10.1016/j.jhevol.2007.05.015subject
Has Abstractpub_date
2007-11-01 00:00:00pages
515-27issue
5eissn
0047-2484issn
1095-8606pii
S0047-2484(07)00154-6journal_volume
53pub_type
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journal_title:Journal of human evolution
pub_type: 杂志文章
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journal_title:Journal of human evolution
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journal_title:Journal of human evolution
pub_type: 杂志文章
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journal_title:Journal of human evolution
pub_type: 杂志文章
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journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2019.04.006
更新日期:2019-07-01 00:00:00
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journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2007.02.002
更新日期:2007-09-01 00:00:00
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journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2003.09.004
更新日期:2003-11-01 00:00:00
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journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2018.11.003
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journal_title:Journal of human evolution
pub_type: 历史文章,杂志文章
doi:10.1006/jhev.1998.0253
更新日期:1998-12-01 00:00:00
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journal_title:Journal of human evolution
pub_type: 历史文章,杂志文章
doi:10.1016/j.jhevol.2007.10.010
更新日期:2008-06-01 00:00:00
abstract::The Middle Palaeolithic site of Payre in southeastern France yields abundant archaeological material associated with fossil hominid remains. With its long sequence of Middle Pleistocene deposits, Payre is a key site to study the Middle Palaeolithic chronology of this region. This study is the first to investigate carb...
journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2013.06.013
更新日期:2013-10-01 00:00:00
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journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2009.01.010
更新日期:2009-04-01 00:00:00
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journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2019.06.005
更新日期:2019-09-01 00:00:00
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journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1006/jhev.2000.0417
更新日期:2000-08-01 00:00:00
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journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2015.02.012
更新日期:2015-12-01 00:00:00
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journal_title:Journal of human evolution
pub_type: 历史文章,杂志文章,评审
doi:10.1016/j.jhevol.2006.04.014
更新日期:2006-12-01 00:00:00
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journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2015.09.004
更新日期:2015-11-01 00:00:00
abstract::Since its discovery in 1938 Sangiran-3 has been considered a juvenile Pithecanthropus (Homo) erectus, and therefore, excluded from studies of adult H. erectus. Although morphological features align Sangiran-3 with H. erectus, its age designation rests on an unconvincing reconstruction of the occipital torus and lack o...
journal_title:Journal of human evolution
pub_type: 杂志文章
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更新日期:1997-11-01 00:00:00
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journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2006.07.011
更新日期:2007-01-01 00:00:00
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journal_title:Journal of human evolution
pub_type: 杂志文章
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更新日期:2010-12-01 00:00:00
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journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2005.04.006
更新日期:2005-09-01 00:00:00
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journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2016.10.002
更新日期:2017-01-01 00:00:00
abstract::Evidence for the acquisition of nutritionally dense food resources by early Pleistocene hominins has implications for both hominin biology and behavior. Aquatic fauna may have comprised a source of highly nutritious resources to hominins in the Turkana Basin at ∼1.95 Ma. Here we employ multiple datasets to examine the...
journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2014.02.012
更新日期:2014-12-01 00:00:00
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journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2019.102705
更新日期:2019-12-24 00:00:00
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journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2019.102681
更新日期:2019-12-01 00:00:00
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journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2010.06.003
更新日期:2010-11-01 00:00:00
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journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2016.03.002
更新日期:2016-07-01 00:00:00
abstract::The recovery at Shi'bat Dihya 1 (SD1) of a dense Middle Paleolithic human occupation dated to 55 ka BP sheds new light on the role of the Arabian Peninsula at the time of the alleged expansion of modern humans out of Africa. SD1 is part of a complex of Middle Paleolithic sites cut by the Wadi Surdud and interstratifie...
journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2012.03.008
更新日期:2012-09-01 00:00:00
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journal_title:Journal of human evolution
pub_type: 杂志文章
doi:10.1016/j.jhevol.2013.09.003
更新日期:2014-01-01 00:00:00