NSF Postdoctoral Fellowship in Biology FY 2014

2014 财年 NSF 生物学博士后奖学金

基本信息

  • 批准号:
    1401800
  • 负责人:
  • 金额:
    $ 20.7万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Fellowship Award
  • 财政年份:
    2014
  • 资助国家:
    美国
  • 起止时间:
    2014-09-01 至 2017-08-31
  • 项目状态:
    已结题

项目摘要

This NSF Postdoctoral Fellowships in Biology to Rachel M. Mitchell supports research entitled `Using Hierarchical Bayesian Models to Predict Patterns of Diversity.` NSF Postdoctoral Fellowships in Biology combine research and training components to prepare young scientists for careers in emerging areas where biology intersects with other scientific disciplines; this research is at the intersection of biology and mathematics, specifically statistical modelling. Fellows are expected to be leaders of the nation`s scientific workforce of the future. The host institution for this fellowship is Duke University and the sponsoring scientists are Dr. Justin Wright and Dr. Alan Gelfand, who can help train Dr. Mitchell in building a hierarchical Bayesian model. Thus Dr. Mitchell is gaining valuable skills in hierarchical Bayesian modelling with applications to ecology. She is also expanding outreach and teaching opportunities; partnering with the Museum of Life and Science allows her to share with children from diverse backgrounds a hands-on activity directly related to the research question. She is also implementing an abbreviated science outreach and communication seminar for graduate students at Duke University.The last decade has seen a tremendous growth of interest in plant functional traits, which are measurable traits that impact plant fitness. These traits are now understood to be actively selected on by abiotic filters like rainfall, temperature, and soil conditions. Such selection is hypothesized to determine how plant communities form and explain why some areas have more species than others. Until recently, the trait variation among individuals within a species (= intraspecific variation) has been largely ignored, but recent research has revealed that this variation is substantial and ecologically important. Although plant traits and intraspecific variation are known to be critical in shaping communities, they have yet to be fully incorporated into models predicting patterns of species presence and diversity. The model being built by Dr. Mitchell incorporates plant functional traits, abiotic filters, and intraspecific variation to predict patterns of diversity at both large and small scales in the southeastern United States. This model - the first of its kind - is a significant contribution to the fields of both ecology and statistical modeling.This project has implications for conservation on local and global scales. The model quantifies how traits mediate species presence in response to abiotic conditions, an issue of importance under projected climate change scenarios. Furthermore, it serves to identify areas of high diversity in terms of both species identity and functional traits; such areas are of high conservation value in a changing world. It clarifies the link between species and functional diversity, a link that must be understood if ecosystems and the services they provide are to be preserved.
这个国家科学基金会博士后奖学金在生物学雷切尔M。米切尔支持题为“使用分层贝叶斯模型预测多样性模式”的研究。NSF生物学博士后研究金将联合收割机研究和培训部分结合起来,为年轻科学家在生物学与其他科学学科交叉的新兴领域的职业生涯做好准备;这项研究是生物学和数学的交叉点,特别是统计建模。 研究员有望成为国家未来科学工作者的领导者。该奖学金的主办机构是杜克大学,赞助科学家是Justin Wright博士和Alan Gelfand博士,他们可以帮助培训Mitchell博士构建分层贝叶斯模型。因此,米切尔博士正在获得宝贵的技能,在分层贝叶斯建模与应用生态学。 她还扩大外展和教学机会;与生命和科学博物馆的合作使她能够与来自不同背景的儿童分享与研究问题直接相关的动手活动。她还为杜克大学的研究生实施了一个简短的科学推广和交流研讨会。过去十年来,人们对植物功能性状的兴趣急剧增长,这些性状是影响植物适合度的可测量性状。现在人们知道,这些性状是由降雨、温度和土壤条件等非生物过滤器主动选择的。这种选择被假设为确定植物群落是如何形成的,并解释为什么某些地区比其他地区拥有更多的物种。直到最近,物种内个体之间的性状变异(=种内变异)在很大程度上被忽视了,但最近的研究表明,这种变异是实质性的,在生态学上是重要的。虽然植物性状和种内变异是众所周知的塑造社区的关键,他们还没有被完全纳入模型预测物种的存在和多样性的模式。 米切尔博士建立的模型结合了植物功能性状、非生物过滤器和种内变异,以预测美国东南部大尺度和小尺度的多样性模式。该模型是同类模型中的第一个,是对生态学和统计建模领域的重大贡献。该项目对地方和全球范围的保护具有重要意义。该模型量化了性状如何介导物种的存在,以应对非生物条件下,预测的气候变化情景下的一个重要问题。此外,它还有助于确定在物种特性和功能特征方面具有高度多样性的地区;这些地区在不断变化的世界中具有很高的保护价值。它澄清了物种与功能多样性之间的联系,如果要保护生态系统及其提供的服务,就必须理解这种联系。

项目成果

期刊论文数量(0)
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Rachel Mitchell其他文献

Misdiagnosis of Li-Fraumeni Syndrome in a Patient With Clonal Hematopoiesis and a Somatic TP53 Mutation.
克隆性造血和体细胞 TP53 突变患者李法美尼综合征的误诊。
P196. Neurostructural and Neurofunctional Phenotypes of Self-Harm Among Youth With Bipolar Disorder
  • DOI:
    10.1016/j.biopsych.2022.02.430
  • 发表时间:
    2022-05-01
  • 期刊:
  • 影响因子:
  • 作者:
    Mikaela Dimick;Kody G. Kennedy;Alysha Sultan;Megan Hird;Mark Sinyor;Rachel Mitchell;Bradley J. MacIntosh;Benjamin Goldstein
  • 通讯作者:
    Benjamin Goldstein
Loxapine versus olanzapine in the treatment of delirium following traumatic brain injury.
洛沙平与奥氮平治疗创伤性脑损伤后的谵妄。
  • DOI:
  • 发表时间:
    2003
  • 期刊:
  • 影响因子:
    0
  • 作者:
    D. Krieger;K. Hansen;C. McDermott;R. Matthews;Rachel Mitchell;N. Bollegala;S. Bhalerao
  • 通讯作者:
    S. Bhalerao
7.6 Prevalence and Correlates of Childhood-Onset Bipolar Disorder Among Adolescents
  • DOI:
    10.1016/j.jaac.2021.09.114
  • 发表时间:
    2021-10-01
  • 期刊:
  • 影响因子:
  • 作者:
    Jessica Barton;Megan Mio;Vanessa Timmins;Rachel Mitchell;Benjamin Goldstein
  • 通讯作者:
    Benjamin Goldstein
Neurostructural Correlates of Self-Harm Among Youth With Bipolar Disorder
  • DOI:
    10.1016/j.biopsych.2021.02.474
  • 发表时间:
    2021-05-01
  • 期刊:
  • 影响因子:
  • 作者:
    Mikaela Dimick;Kody Kennedy;Rachel Mitchell;Mark Sinyor;Bradley J. MacIntosh;Benjamin Goldstein
  • 通讯作者:
    Benjamin Goldstein

Rachel Mitchell的其他文献

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{{ truncateString('Rachel Mitchell', 18)}}的其他基金

Quantifying Plant Mediation of Ecosystem Multifunction in Response to Fire and Warming
量化植物对生态系统多功能响应火灾和变暖的调节作用
  • 批准号:
    2230356
  • 财政年份:
    2022
  • 资助金额:
    $ 20.7万
  • 项目类别:
    Standard Grant
Quantifying Plant Mediation of Ecosystem Multifunction in Response to Fire and Warming
量化植物对生态系统多功能响应火灾和变暖的调节作用
  • 批准号:
    2139676
  • 财政年份:
    2022
  • 资助金额:
    $ 20.7万
  • 项目类别:
    Standard Grant

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