Collaborative research: Paleobiology and exinction of mammoths in northern Siberia and Wrangel Island
合作研究:西伯利亚北部和弗兰格尔岛的古生物学和猛犸象灭绝
基本信息
- 批准号:0545090
- 负责人:
- 金额:$ 21万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2006
- 资助国家:美国
- 起止时间:2006-06-15 至 2012-05-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Collaborative Research: Paleobiology and Extinction of Mammoths in northern Siberia and Wrangel IslandDaniel C. Fisher, Univ. Michigan EAR-0615095David L. Fox, Univ. Minnesota EAR-0615090ABSTRACT Woolly mammoths (Mammuthus primigenius) were important members of Ice Age faunas until the time of their extinction, about 10,000 years ago on the Siberian mainland, and only 3700 years ago on Wrangel Island, off the northeast coast of Siberia. This project will clarify aspects of mammoth biology, the cause of mammoth extinction, and the nature of environmental change during the transition from the Ice Age to climates more typical of today's conditions. The new data that permit these advances come from mammoth tusks, the enlarged incisor teeth typical of all elephant-relatives and frequently recovered from the Arctic permafrost. Mammoth tusks formed through a life-long process of adding cone-shaped layers to the tusk base. This process was modulated by, and thus recorded, complex interactions involving climate, food resources, behavior, and reproductive history. By drilling cores of material from multiple positions along tusks and analyzing the structure and composition of the layers in these cores, we will assemble records of diet, climate, health status, migratory movements, and reproductive history. This yields a detailed picture of how mammoths responded to environmental conditions during their lifetimes, what changes were associated with their dramatic reduction in range, near the end of the Ice Age, and what changes preceded their final extinction. This project will involve fieldwork by University of Michigan and University of Minnesota Co-PIs and graduate students, along with Russian and European collaborators, in north-central Siberia, northeast Siberia, and Wrangel Island. We will collect new specimens, sample specimens in existing collections, and return samples for analysis at our home institutions. Analytical procedures will include (a) radiocarbon dating, to place each specimen in a temporal as well as a spatial context, (b) documentation of growth lines, to lay out the basic framework of life history, (c) oxygen, carbon, and nitrogen isotope analyses, to assess aspects of diet, climate, and physiology, and (d) strontium-isotope analyses to evaluate patterns of migratory movement. Mammoth tusks are a rich archive of natural history and environmental data, and this project coordinates a broad array of approaches for distilling this information and applying it to research questions in multiple fields. Collaborative aspects of this project support international cooperation in Europe and Asia, and the dramatic character of mammoths and mammoth tusks makes this work engaging for non-specialist audiences, in addition to the paleontologists, ecologists, archaeologists and climate modelers interested in the data.
合作研究:古生物学与北方西伯利亚和弗兰格尔岛猛犸象的灭绝。密歇根大学费希尔分校猛犸象(Mammuthus mammgenius)是冰河时代动物群的重要成员,直到它们灭绝的时候,大约10,000年前在西伯利亚大陆上,而仅仅3700年前在西伯利亚东北海岸的弗兰格尔岛上。这个项目将阐明猛犸生物学的各个方面,猛犸灭绝的原因,以及从冰河时代到今天更典型的气候条件过渡期间环境变化的性质。新的数据支持这些进步,这些数据来自猛犸的象牙,这种增大的门牙是所有大象亲戚的典型特征,经常在北极永久冻土中发现。猛犸的长牙是通过一生的过程在长牙的基部增加锥形层而形成的。这一过程受到气候、食物资源、行为和生殖历史等复杂相互作用的调节,从而被记录下来。通过从沿着象牙的多个位置钻取材料岩心,并分析这些岩心中各层的结构和组成,我们将收集有关饮食、气候、健康状况、迁徙运动和生殖历史的记录。这产生了猛犸象在其一生中如何对环境条件做出反应的详细图片,在冰河时代结束时,与其范围急剧减少有关的变化,以及在其最终灭绝之前的变化。该项目将涉及密歇根大学和明尼苏达大学合作PI和研究生的实地考察,沿着俄罗斯和欧洲的合作者,在西伯利亚中北部,西伯利亚东北部和弗兰格尔岛。我们将收集新的标本,现有标本中的样本标本,并将样本送回我们的国内机构进行分析。分析程序将包括:(a)放射性碳测年,将每个标本置于时间和空间背景中;(B)记录生长线,阐明生命史的基本框架;(c)氧、碳和氮同位素分析,评估饮食、气候和生理方面;(d)锶同位素分析,评估迁徙运动的模式。猛犸象牙是自然历史和环境数据的丰富档案,该项目协调了广泛的方法来提取这些信息,并将其应用于多个领域的研究问题。该项目的协作方面支持欧洲和亚洲的国际合作,猛犸象和猛犸象牙的戏剧性特征使这项工作吸引了非专业观众,以及对数据感兴趣的古生物学家,生态学家,考古学家和气候建模者。
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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David Fox其他文献
A Healthcare Utilization Model Comparing Time Toxicity between Glofitamab and Epcoritamab
- DOI:
10.1182/blood-2024-198476 - 发表时间:
2024-11-05 - 期刊:
- 影响因子:
- 作者:
Pallawi Torka;Anthony Masaquel;Lourenia Cassoli;David Fox;Arliene Mangalindan;Ajay Major - 通讯作者:
Ajay Major
EXACT SOLUTIONS OF CYCLICALLY SYMMETRIC OSCILLATOR EQUATIONS WITH NON‐LINEAR COUPLING. PART III: GLOBALLY STABLE SINGLE‐FREQUENCY LIMIT CYCLES
非线性耦合循环对称振荡器方程的精确解第 III 部分:全局稳定单频极限循环。
- DOI:
10.1002/(sici)1097-007x(199705/06)25:3<199::aid-cta963>3.0.co;2-g - 发表时间:
1997 - 期刊:
- 影响因子:0
- 作者:
David Fox - 通讯作者:
David Fox
Otologic assessment of blast and nonblast injury in returning middle east‐deployed service members
回国中东部署军人爆炸性和非爆炸性损伤的耳科评估
- DOI:
- 发表时间:
2014 - 期刊:
- 影响因子:0
- 作者:
Anil N. Shah;M. Ayala;G. Capra;David Fox;M. Hoffer - 通讯作者:
M. Hoffer
Enabling machine learning-ready HPC ensembles with Merlin
使用 Merlin 实现机器学习就绪的 HPC 集成
- DOI:
- 发表时间:
2019 - 期刊:
- 影响因子:0
- 作者:
J. L. Peterson;B. Bay;Joseph Koning;Peter B. Robinson;Jessica Semler;Jeremy White;Rushil Anirudh;Kevin Athey;P. Bremer;F. Natale;David Fox;J. Gaffney;S. A. Jacobs;B. Kailkhura;B. Kustowski;S. Langer;B. Spears;J. Thiagarajan;B. V. Essen;Jae - 通讯作者:
Jae
Settlement patterns and their potential implications for livelihoods among Maasai pastoralists in northern Tanzania
坦桑尼亚北部马赛牧民的定居模式及其对生计的潜在影响
- DOI:
- 发表时间:
2017 - 期刊:
- 影响因子:0
- 作者:
David Fox - 通讯作者:
David Fox
David Fox的其他文献
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{{ truncateString('David Fox', 18)}}的其他基金
Collaborative Research: EVOLUTION OF NORTH AMERICAN SMALL MAMMAL COMMUNITIES IN RESPONSE TO OLIGO-MIOCENE LANDSCAPE CHANGE
合作研究:北美小哺乳动物群落响应寡中新世景观变化的进化
- 批准号:
2322805 - 财政年份:2023
- 资助金额:
$ 21万 - 项目类别:
Standard Grant
ELT Collaborative research: Evolutionary and ecological responses of small mammal communities to habitat and climate change over the last 5 million years
ELT 合作研究:过去 500 万年小型哺乳动物群落对栖息地和气候变化的进化和生态反应
- 批准号:
1338262 - 财政年份:2013
- 资助金额:
$ 21万 - 项目类别:
Continuing Grant
Collaborative Research: Quaternary Archaeology and Environments of Rusinga and Mfangano Islands, Kenya
合作研究:肯尼亚鲁辛加和姆凡加诺群岛第四纪考古学和环境
- 批准号:
1013134 - 财政年份:2010
- 资助金额:
$ 21万 - 项目类别:
Standard Grant
Stereokinetics / the optimisation of catalytic asymmetric reactions
立体动力学/催化不对称反应的优化
- 批准号:
EP/D072182/1 - 财政年份:2006
- 资助金额:
$ 21万 - 项目类别:
Fellowship
Evolution of Marine Mammal Foraging Behavior Based on Ca and C Isotope Ratios in Bioapatite
基于生物磷灰石中 Ca 和 C 同位素比率的海洋哺乳动物觅食行为的演变
- 批准号:
0519052 - 财政年份:2005
- 资助金额:
$ 21万 - 项目类别:
Continuing Grant
COLLABORATIVE RESEARCH: Plio-Pleistocene Mammal Faunas and Environmental Change in the Meade Basin of Southwestern Kansas: A Combined Stratigraphic, Faunal, and Isotopic Approach
合作研究:堪萨斯州西南部米德盆地的上更新世哺乳动物区系和环境变化:地层学、动物区系和同位素相结合的方法
- 批准号:
0207383 - 财政年份:2002
- 资助金额:
$ 21万 - 项目类别:
Standard Grant
Stable Carbon Isotope Variation in Late Miocene Paleosol Carbonates from North America: Habitat Change and Mammalian Evolution
北美晚中新世古土壤碳酸盐的稳定碳同位素变化:栖息地变化和哺乳动物进化
- 批准号:
9901693 - 财政年份:1999
- 资助金额:
$ 21万 - 项目类别:
Standard Grant
Mathematical Sciences: High Speed Methods for Algebraic Eigenvalue Problems using Intermediate Problem Techniques
数学科学:使用中间问题技术解决代数特征值问题的高速方法
- 批准号:
8807483 - 财政年份:1988
- 资助金额:
$ 21万 - 项目类别:
Continuing Grant
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