NSFGEO-NERC: Collaborative Research: The first actinopterygian ‘adaptive radiation’: integrating fossils, function and phylogeny to illuminate innovation in a post-extinction w
NSFGEO-NERC:合作研究:第一个放线虫“适应性辐射”:整合化石、功能和系统发育以阐明灭绝后世界的创新
基本信息
- 批准号:2218892
- 负责人:
- 金额:$ 11.5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-09-01 至 2025-08-31
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
Ancient mass extinctions resulted in the loss of many species but also provided new opportunities for surviving groups. Study of these events is central to both understanding the origin of today’s biological diversity as well as contextualizing the threats it faces from environmental change. This work focuses on a major interval of crisis and recovery that took place around 360 million years ago: the Devonian/Carboniferous extinction. This study will determine the impact of this event on the early history of ray-finned fishes, key components of today’s aquatic ecosystems and a major commercial resource. The project will provide training at high school, undergraduate, graduate, and postgraduate levels, and develop educational materials for wide audiences, including those underrepresented in STEM fields. Outreach includes a module for high-school students at the University of Michigan, programs at three museums with a combined annual attendance of greater than 500,000, and resources for use in local communities. This work will examine the role of the Devonian/Carboniferous extinction (359 Ma) in precipitating an apparent explosion of diversity among actinopterygians, setting the stage for the group’s dominance throughout the remainder of the Phanerozoic. The project will combine microCT, functional anatomy, 3D morphometrics, combined-evidence phylogenetic inference, and evolutionary comparative methods to Devonian and Carboniferous (419-299 Ma) actinopterygians. The project team will: (i) quantify discrete functional innovations, biomechanics, and shape for mandibles to test for increased functional and morphological diversity following a mass extinction; (ii) integrate anatomical, stratigraphic, and molecular data in a Bayesian framework to develop an inclusive hypothesis of early actinopterygian relationships and test hypotheses about the timing of evolutionary divergences and patterns of survival across the extinction boundary; and (iii) combine functional and morphological data with new phylogenetic hypotheses within a comparative framework in to test for shifts in evolutionary rate and mode among actinopterygians associated with the Devonian/Carboniferous extinction.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
古代的大规模迁徙导致了许多物种的丧失,但也为幸存的群体提供了新的机会。对这些事件的研究对于理解当今生物多样性的起源以及了解其面临的环境变化威胁至关重要。 这项工作的重点是大约3.6亿年前发生的危机和恢复的主要间隔:泥盆纪/石炭纪灭绝。这项研究将确定这一事件对射线鳍鱼的早期历史的影响,今天的水生生态系统的关键组成部分和主要的商业资源。该项目将提供高中、本科、研究生和研究生级别的培训,并为广大受众开发教育材料,包括在STEM领域代表性不足的受众。外联活动包括为密歇根大学的高中生提供一个模块,在三个博物馆举办的方案,每年的参观人数超过50万,以及供当地社区使用的资源。这项工作将探讨泥盆纪/石炭纪灭绝(359马)在沉淀放线菌之间的多样性明显爆炸的作用,设置该集团的优势在整个剩余的中生代的阶段。该项目将结合联合收割机、功能解剖学、3D形态测量学、综合证据系统发育推断以及泥盆纪和石炭纪(419-299 Ma)放线菌的进化比较方法。项目小组将:(i)量化离散的功能创新,生物力学和形状的下颌骨,以测试增加的功能和形态多样性后,大规模灭绝;(ii)整合解剖,地层和分子数据在贝叶斯框架,以发展一个包容性的早期radiopterygian关系的假设和测试假设的时间进化分歧和模式的生存跨越灭绝边界;和(iii)在一个比较框架内将联合收割机功能和形态数据与新的系统发育假说结合起来,以测试与泥盆纪/石炭纪灭绝相关的放线菌的进化速率和模式的变化。该奖项反映了NSF的法定使命,并被认为值得通过使用基金会的知识价值和更广泛的影响审查标准进行评估来支持。
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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Michael Coates其他文献
Artificial Pollination Technologies: A Review
人工授粉技术:回顾
- DOI:
- 发表时间:
2023 - 期刊:
- 影响因子:0
- 作者:
M. Broussard;Michael Coates;P. Martinsen - 通讯作者:
P. Martinsen
Plenty of fish in the tree
树上有很多鱼。
- DOI:
10.1038/549167a - 发表时间:
2017-09-14 - 期刊:
- 影响因子:48.500
- 作者:
Michael Coates - 通讯作者:
Michael Coates
Michael Coates的其他文献
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{{ truncateString('Michael Coates', 18)}}的其他基金
DISSERTATION RESEARCH: Independent evolution and ancestral conditions in the gnathostome axial column
论文研究:颚口轴柱的独立进化和祖先条件
- 批准号:
1501749 - 财政年份:2015
- 资助金额:
$ 11.5万 - 项目类别:
Standard Grant
DISSERTATION RESEARCH: The Consequences of Global Events on Vertebrate Biodiversity: the Paleozoic Actinopterygian Radiation
论文研究:全球事件对脊椎动物生物多样性的影响:古生代放线鱼辐射
- 批准号:
1011002 - 财政年份:2010
- 资助金额:
$ 11.5万 - 项目类别:
Standard Grant
Early Sharks: The basal branching pattern and time-scale of chondrichthyan phylogeny
早期鲨鱼:软骨鱼类系统发育的基本分支模式和时间尺度
- 批准号:
0917922 - 财政年份:2009
- 资助金额:
$ 11.5万 - 项目类别:
Standard Grant
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