Collaborative Research: Paleontological Investigation of Early Primate Evolution in Asia
合作研究:亚洲早期灵长类进化的古生物学研究
基本信息
- 批准号:0820603
- 负责人:
- 金额:$ 9.27万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2008
- 资助国家:美国
- 起止时间:2008-09-01 至 2011-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
With support from the National Science Foundation, an international team of biological anthropologists and paleontologists will explore early Cenozoic (ca. 60-45 million year old) rock strata in the Erlian Basin of Inner Mongolia for evidence of the earliest phases of primate evolution. American members of the scientific team are based at the Carnegie Museum of Natural History (Pittsburgh, PA), Northern Illinois University (DeKalb, IL), and the American Museum of Natural History (New York, NY). Several different lines of evidence, including the fossil record and reconstructions of evolutionary relationships based on analyses of long sequences of DNA, suggest that the earliest phases of primate evolution likely transpired in Asia. However, the fossil record of primate evolution in Asia remains spotty, and most of the Asian primates from this time interval are documented by very fragmentary anatomical remains. As a result, there is no scientific consensus about how these Asian fossils fit on the family tree of primate evolution. More generally, there is no consensus regarding where and when such important events in primate evolution as the origin of primates and the origin of anthropoids (the group of primates that includes living monkeys, apes, and humans) occurred. The Erlian Basin, which straddles the modern border between China and Mongolia, is the only depositional basin in Asia bearing rock strata of the appropriate age to yield fossil primates from the crucial interval of early Cenozoic time when primates and anthropoids are thought to have originated. Field methods will include three modes of paleontological exploration (surface prospecting, quarrying, and screen-washing) to locate new fossil primates in the Erlian Basin. Analytic methods include computer-assisted reconstructions of evolutionary relationships based on anatomical features, as well as high-resolution computed tomographic (CT) studies of anatomy. Working with geologists and experts on paleoenvironmental reconstruction, the team will establish the basic chronology of primate evolution in the Erlian Basin. These data will allow testing of competing models of when and where primates evolved. A particularly interesting goal of this project is to determine whether ancient episodes of primate dispersal across the Bering land bridge between Alaska and Siberia correspond precisely to ancient global warming events. The scientific results from this project will enlighten understanding of where, when, and how earliest primate ancestors evolved. This will result in greater knowledge of how these earliest primates migrated from Asia to adjacent continents (notably including North America) as the physical environment of the planet shifted due to plate tectonics and changing climate. Broader impacts of the project include enhanced scientific cooperation between American and Chinese scholars, training of undergraduate and graduate students in both field and laboratory techniques, and multiple forms of public educational outreach (including museum exhibits, television documentaries, popular publications, and public lectures).
在美国国家科学基金会的支持下,一个由生物人类学家和古生物学家组成的国际团队将探索新生代早期(约1000年)。60-45百万年)的岩层,为灵长类动物进化的最早阶段提供证据。科学小组的美国成员分别在卡内基自然历史博物馆(匹兹堡,宾夕法尼亚州),北方伊利诺伊大学(迪卡尔布,伊利诺伊州)和美国自然历史博物馆(纽约,纽约州)。几种不同的证据,包括化石记录和基于DNA长序列分析的进化关系重建,表明灵长类动物进化的最早阶段可能发生在亚洲。然而,亚洲灵长类动物进化的化石记录仍然参差不齐,这一时期的大多数亚洲灵长类动物都是通过非常零碎的解剖遗迹来记录的。因此,关于这些亚洲化石如何适应灵长类进化的家谱,科学界没有达成共识。更一般地说,对于灵长类进化中的重要事件,如灵长类的起源和灵长类动物(包括现存的猴子、猿和人类的灵长类动物)的起源,在何时何地发生,人们没有达成共识。二连盆地位于现代中国和蒙古的交界处,是亚洲唯一一个沉积盆地,它含有适当时代的岩层,从早新生代的关键时期产生了灵长类动物化石,灵长类动物和灵长类动物被认为是起源于这一时期。野外方法将包括三种古生物勘探模式(地表勘探、采石和筛洗),以在二连盆地找到新的灵长类化石。分析方法包括基于解剖学特征的进化关系的计算机辅助重建,以及解剖学的高分辨率计算机断层扫描(CT)研究。该团队将与地质学家和古环境重建专家合作,建立二连盆地灵长类进化的基本年表。这些数据将允许测试灵长类动物何时何地进化的竞争模型。这个项目的一个特别有趣的目标是确定古代灵长类动物跨越阿拉斯加和西伯利亚之间的白令陆桥的扩散是否与古代全球变暖事件相对应。该项目的科学成果将有助于了解灵长类动物最早的祖先在何处、何时以及如何进化。这将使人们更好地了解这些最早的灵长类动物是如何从亚洲迁移到邻近大陆(特别是包括北美)的,因为地球的物理环境由于板块构造和气候变化而发生了变化。该项目的更广泛影响包括加强中美学者之间的科学合作,对本科生和研究生进行实地和实验室技术培训,以及多种形式的公共教育推广(包括博物馆展览,电视纪录片,流行出版物和公开讲座)。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Jin Meng其他文献
Interactive Encoding and Decoding Based on Binary LDPC Codes With Syndrome Accumulation
基于伴随式累积的二进制LDPC码交互式编解码
- DOI:
10.1109/tit.2012.2236604 - 发表时间:
2012 - 期刊:
- 影响因子:2.5
- 作者:
Jin Meng;E. Yang - 通讯作者:
E. Yang
Involvement of 5-HT2 serotonin receptors in cognitive defects induced by aristolochic acid I in mice
5-HT2 血清素受体参与马兜铃酸 I 诱导的小鼠认知缺陷
- DOI:
10.1016/j.tox.2020.152624 - 发表时间:
2020 - 期刊:
- 影响因子:4.5
- 作者:
Shang Xueliang;You Congying;Li Xiang;Yuan Lu;Jin Meng;Zhang Xiujun - 通讯作者:
Zhang Xiujun
A wideband high-power microwave radiation source based on gyromagnetic nonlinear transmission line and Vlasov antenna
基于旋磁非线性传输线和Vlasov天线的宽带高功率微波辐射源
- DOI:
- 发表时间:
2022 - 期刊:
- 影响因子:1.6
- 作者:
Yancheng Cui;Jin Meng;Kang Luo;Jiangfeng Han;Liyang Huang;Danni Zhu - 通讯作者:
Danni Zhu
Channel capacity in the non-asymptotic regime: Taylor-type expansion and computable benchmarks
非渐近状态下的通道容量:泰勒型展开和可计算基准
- DOI:
10.1109/allerton.2012.6483230 - 发表时间:
2012 - 期刊:
- 影响因子:0
- 作者:
E. Yang;Jin Meng - 通讯作者:
Jin Meng
Commutators of Multilinear Calderón-Zygmund Operator on Weighted Herz-Morrey Spaces with Variable Exponents
变指数加权Herz-Morrey空间上多线性Calderón-Zygmund算子的换向器
- DOI:
10.1155/2021/9947489 - 发表时间:
2021 - 期刊:
- 影响因子:1.9
- 作者:
Jin Meng;Shengrong Wan;Jing Zhang - 通讯作者:
Jing Zhang
Jin Meng的其他文献
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{{ truncateString('Jin Meng', 18)}}的其他基金
Support for the AMNH Fossil Mammal Collection: An Integrated Program to Rehouse Types and Perissodactyla, and Enhance On-Line Collections Data and Web-Based Educational Resources
支持 AMNH 哺乳动物化石收藏:重新安置类型和奇蹄类动物并增强在线收藏数据和基于网络的教育资源的综合计划
- 批准号:
0545155 - 财政年份:2006
- 资助金额:
$ 9.27万 - 项目类别:
Continuing Grant
Higher-Level Phylogeny of Glires: A Study Based on Osseous System of Fossil and Recent Gliriform Mammals
Glires的高级系统发育:基于化石和近代Gliriform哺乳动物的骨系统的研究
- 批准号:
9996424 - 财政年份:1999
- 资助金额:
$ 9.27万 - 项目类别:
Standard Grant
Higher-Level Phylogeny of Glires: A Study Based on Osseous System of Fossil and Recent Gliriform Mammals
Glires的高级系统发育:基于化石和近代Gliriform哺乳动物的骨系统的研究
- 批准号:
9796038 - 财政年份:1996
- 资助金额:
$ 9.27万 - 项目类别:
Standard Grant
Higher-Level Phylogeny of Glires: A Study Based on Osseous System of Fossil and Recent Gliriform Mammals
Glires的高级系统发育:基于化石和近代Gliriform哺乳动物的骨系统的研究
- 批准号:
9508685 - 财政年份:1995
- 资助金额:
$ 9.27万 - 项目类别:
Standard Grant
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