NSF Postdoctoral Fellowship in Biology FY 2012

2012 财年 NSF 生物学博士后奖学金

• 批准号: 1202751
• 负责人: Prashant Sharma
• 金额: $ 18.9万
• 依托单位: Sharma Prashant P
• 依托单位国家: 美国
• 项目类别: Fellowship Award
• 财政年份: 2012
• 资助国家: 美国
• 起止时间: 2012-09-01 至 2015-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1202751&HistoricalAwards=false
• 关键词: NSF; Postdoctoral; Fellowship; Biology; FY

The availability of landmass plays a key role in the diversification of terrestrial lineages through evolutionary time. How geological dynamism affects the inference of evolutionary history of a biogeographic theater is poorly understood. To address how geological history affects a specific function of phylogenetic informativeness that is required to infer evolutionary history, a combination of (1) modeling effects of geology on simulated phylogenies; and (2) empirical hypothesis testing with phylogenies drawn from a geologically dynamic theater, Southeast Asia, is proposed. Progress on this question will inform understanding of biotic distributions and elucidate methods by which informative phylogenetic markers can be identified for individual biogeographic theaters. The relationship between geological history and phylogenetic informativeness occurs at the intersection of biology, geology, and mathematics. Addressing this problem requires both biological expertise to understand the context (taxon distribution and phylogenetic inference) and mathematical training in numerical modes of analysis.Broader impacts include development of education material suitable for both undergraduates and school groups on phylogenetic reconstruction of evolutionary history, which will incorporate a perspective on geological history informed by the results of the proposed research. Modeling and biogeography teaching modules developed for an interdisciplinary undergraduate course in the third year of the program will be freely distributed through the Department of Mathematics and Computer Science at the City University of New York. The proposed modeling software will be distributed for students and researchers alike through the American Museum of Natural History to explore the effects of geological events on simulated phylogenies.

陆地面积的可用性在进化过程中陆地谱系的多样化中发挥着关键作用。人们对地质动力学如何影响生物地理剧场进化史的推论知之甚少。为了解决地质历史如何影响推断进化历史所需的系统发育信息的特定功能，需要结合（1）模拟地质学对模拟系统发育的影响； (2) 提出了利用来自东南亚地质动态地区的系统发育的经验假设检验。这个问题的进展将有助于了解生物分布，并阐明为各个生物地理区域识别信息丰富的系统发育标记的方法。地质历史和系统发育信息之间的关系发生在生物学、地质学和数学的交叉点上。解决这个问题既需要生物学专业知识来理解背景（分类群分布和系统发育推断），也需要数值分析模式的数学训练。更广泛的影响包括开发适合本科生和学校团体的进化史系统发育重建教育材料，其中将纳入根据拟议研究结果提供的地质历史观点。为该项目第三年的跨学科本科课程开发的建模和生物地理学教学模块将通过纽约城市大学数学和计算机科学系免费分发。拟议的建模软件将通过美国自然历史博物馆分发给学生和研究人员，以探索地质事件对模拟系统发育的影响。