The Impact of Late Eocene/ Early Oligocene Climate Change on the Continental Biota of Patagonia
始新世晚期/渐新世早期气候变化对巴塔哥尼亚大陆生物群的影响
基本信息
- 批准号:0087636
- 负责人:
- 金额:$ 16.41万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2001
- 资助国家:美国
- 起止时间:2001-04-01 至 2004-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
AbstractThe end of the Eocene and the beginning of the Oligocene mark an important change in world climate, when it transitioned from 'greenhouse' to 'icehouse'. The timing and biotic impact of the change has been studied in the continental records of North America, Europe and Asia and they show a response to both local and global influences. As yet, however, no continental mammal and plant sequence has been studied in the Southern Hemisphere. Recent revision of the ages of rock units and biotas in Patagonia has demonstrated that the Sarmiento Fm at Gran Barranca in Patagonian Argentina spans the late Eocene through early Oligocene interval; this is the only known continental vertebrate and plant sequence so far identified from the Southern Hemisphere that spans this interval. Preliminary analysis of the mammalian herbivores suggests that dramatic changes occurred over a comparatively short interval of geologic time. The same sedimentary interval contains plant microfossils that document important change in the plant communities. This proposal requests funding for further study of this terrestrial biotic change. The geochronology of the Sarmiento Fm at Gran Barranca will be refined using radiometric dating, chemical identification of tephra, and paleomagnetism. Stratigraphically-controlled collections will be made of vertebrates and plant microfossils. Climate change and its impact on the biota will be assessed 1) by documenting changes in mammalian community structure (richness, origination and extinction rates and ecological morphology); and 2) by documenting changes in vegetation and floral composition from the study of phytoliths.
始新世末渐新世初是世界气候由“温室”向“冰库”转变的重要时期。在北美、欧洲和亚洲的大陆记录中研究了这种变化的时间和生物影响,它们显示出对当地和全球影响的反应。然而,到目前为止,还没有研究过南半球的大陆哺乳动物和植物序列。最近对巴塔哥尼亚岩石单位和生物化石年代的修订表明,阿根廷巴塔哥尼亚大巴兰卡的萨米恩托组跨越始新世晚期至渐新世早期;这是迄今为止在南半球发现的唯一一个跨越这一时期的大陆脊椎动物和植物序列。对哺乳类食草动物的初步分析表明,巨大的变化发生在相对较短的地质时期内。同一沉积层段含有植物微体化石,记录了植物群落的重要变化。该提案要求为进一步研究这一陆地生物变化提供资金。 将使用放射性测年、火山灰的化学鉴定和古地磁学来完善大巴兰卡的萨米恩托组的地质年代学。地层控制的收藏品将由脊椎动物和植物微体化石组成。气候变化及其对生物群的影响将通过以下方式进行评估:1)记录哺乳动物群落结构的变化(丰富度、起源和灭绝率以及生态形态); 2)记录植硅体研究中植被和植物组成的变化。
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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Richard Kay其他文献
Is routine examination of the male partner of any prognostic value in the routine assessment of couples who complain of involuntary infertility?
- DOI:
10.1016/s0015-0282(16)60918-4 - 发表时间:
1989-09-01 - 期刊:
- 影响因子:
- 作者:
Bruce C. Dunphy;Richard Kay;Christopher L.R. Barratt;Ian D. Cooke - 通讯作者:
Ian D. Cooke
Oxidised serum peptidome characterises metabolic dysfunction-associated steatotic liver disease.
- DOI:
10.1016/j.atherosclerosis.2024.117863 - 发表时间:
2024-08-01 - 期刊:
- 影响因子:
- 作者:
Gabriele Mocciaro;Amy George;Michael Allison;Mattia Frontini;Isabel Huang-Doran;Fiona Gribble;Frank Reiman;Antonio Vidal-Puig;Julian Griffin;Vian Azzu;Richard Kay;Michele Vacca - 通讯作者:
Michele Vacca
1958 COMBINATION TREATMENT WITH MIRABEGRON AND SOLIFENACIN IN PATIENTS WITH OVERACTIVE BLADDER (OAB) - EFFICACY RESULTS FROM A PHASE 2 STUDY (SYMPHONY)
- DOI:
10.1016/j.juro.2013.02.2377 - 发表时间:
2013-04-01 - 期刊:
- 影响因子:
- 作者:
Paul Abrams;Con Kelleher;David Staskin;Richard Kay;Reynaldo Vilmo Martina;Donald Newgreen;Asha Paireddy;Rob van Maanen;Arwin Ridder - 通讯作者:
Arwin Ridder
Fruit Selectivity in Anthropoid Primates: Size Matters
类人灵长类动物的果实选择性:大小很重要
- DOI:
10.1007/s10764-020-00158-3 - 发表时间:
2020 - 期刊:
- 影响因子:2.5
- 作者:
Kim Valenta;D. J. Daegling;Omer Nevo;J. Ledogar;Dipto Sarkar;Urs Kalbitzer;S. Bortolamiol;P. Omeja;C. Chapman;M. Ayasse;Richard Kay;B. Williams - 通讯作者:
B. Williams
Sa1704 MOTILIN FLUCTUATIONS IN HEALTHY VOLUNTEERS DETERMINED BY LIQUID CHROMATOGRAPHY MASS SPECTROMETRY
- DOI:
10.1016/s0016-5085(24)01589-0 - 发表时间:
2024-05-18 - 期刊:
- 影响因子:
- 作者:
Christopher Bannon;Rachel Foreman;Richard Kay;Frank Reimann;Fiona Gribble - 通讯作者:
Fiona Gribble
Richard Kay的其他文献
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{{ truncateString('Richard Kay', 18)}}的其他基金
Collaborative Research: Tooth Wear and Diet Among Living and Fossil Primates
合作研究:现存灵长类动物和化石灵长类动物的牙齿磨损和饮食
- 批准号:
2018769 - 财政年份:2020
- 资助金额:
$ 16.41万 - 项目类别:
Standard Grant
Collaborative Research: Calibrating Mid-Miocene Greenhouse Climate and Ecology in a Key High Southern Latitude Locale
合作研究:校准南部高纬度关键地区的中中新世温室气候和生态
- 批准号:
1349741 - 财政年份:2014
- 资助金额:
$ 16.41万 - 项目类别:
Continuing Grant
RAPID: Salvage Recovery of Miocene Fossil Primates and Other Vertebrates from Localities Threatened by Hydroelectric Dam Projects along the Rio Santa Cruz, Argentina
RAPID:从阿根廷圣克鲁斯河沿岸受水电大坝项目威胁的地区抢救中新世灵长类和其他脊椎动物化石
- 批准号:
1348259 - 财政年份:2013
- 资助金额:
$ 16.41万 - 项目类别:
Standard Grant
Doctoral Dissertation Improvement: Brain Size and Shape in Early Anthropoids
博士论文改进:早期类人猿的大脑大小和形状
- 批准号:
1232534 - 财政年份:2012
- 资助金额:
$ 16.41万 - 项目类别:
Standard Grant
RAPID:Collaborative Research: Excavation of an Underwater Cavern Containing Primates, Other Extinct Vertebrates and Archaeological Remains in Hispaniola-- A Site Under Threat
RAPID:合作研究:在伊斯帕尼奥拉岛挖掘一个含有灵长类动物、其他灭绝脊椎动物和考古遗迹的水下洞穴——一个受到威胁的地点
- 批准号:
1042794 - 财政年份:2010
- 资助金额:
$ 16.41万 - 项目类别:
Standard Grant
Paleontological Investigations to Recover Fossil Monkeys from the Middle Cenozoic of South America
古生物学研究从南美洲中新生代发现猴化石
- 批准号:
0851272 - 财政年份:2009
- 资助金额:
$ 16.41万 - 项目类别:
Continuing Grant
Doctoral Dissertation Improvement: Functional Analysis of Primate Semicircular Canal Morphology in Relation to Locomotor Head Accelerations
博士论文改进:灵长类半规管形态与运动头加速度相关的功能分析
- 批准号:
0824546 - 财政年份:2008
- 资助金额:
$ 16.41万 - 项目类别:
Standard Grant
(SGER) Paleontologic Recovery and Reconnaisance at Gran Barranca, Argentina
(SGER) 阿根廷格兰巴兰卡古生物恢复和勘察
- 批准号:
9907985 - 财政年份:1999
- 资助金额:
$ 16.41万 - 项目类别:
Standard Grant
Collaborative Research: Paleontological Investigations to Recover Fossil Monkeys from the Cenozoic of South America
合作研究:古生物学研究以恢复南美洲新生代的化石猴
- 批准号:
9318942 - 财政年份:1994
- 资助金额:
$ 16.41万 - 项目类别:
Continuing Grant
Exploring for Paleogene Primates in Bolivia
探索玻利维亚的古近纪灵长类动物
- 批准号:
9213970 - 财政年份:1992
- 资助金额:
$ 16.41万 - 项目类别:
Standard Grant
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胚胎脑发育的分子机理:lgl2(late gestation lung 2)蛋白质的生物学功能的研究
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