Collaborative Research: From demography to diversification: population-level drivers of phylogenetic speciation dynamics across squamate reptiles

合作研究:从人口统计学到多样化:有鳞爬行动物系统发育物种形成动态的种群水平驱动因素

基本信息

项目摘要

Species diversity varies dramatically across the tree of life: some groups of organisms, such as beetles and flowering plants, contain far more species than most other groups of organisms. Understanding how and why some groups have come to be more species-rich than other groups is a central and unsolved problem in the life sciences. One class of explanations for these differences in species numbers involves the rate at which new species arise. Using tools from genome biology and computational data science, this project will identify the mechanisms that lead to different rates of species formation and quantify their importance in a major group of vertebrate animals. The project will provide training in genomics, geographic information systems, computational biology, and biodiversity science for students and researchers at the undergraduate, graduate, and postdoctoral levels. Genomic resources and new scientific software developed for the project will be made publicly available, and a museum exhibit will highlight the ways in which genomics and computer programming are changing the way scientists study and understand the diversity of life forms on Earth.This project will produce a novel synthesis between population biology and large-scale patterns of species diversity by integrating next-generation population genomics with a phylogenetic comparative perspective on lineage diversification rates. The project will quantify the genomic signal of several population processes to address how rates of population splitting and persistence influence speciation rates as measured on time-calibrated phylogenetic trees. These objectives will be supported by estimating phylogeographic and population genomic parameters across many species of squamate reptiles that vary in rates of speciation, and by developing new methods to link these parameters to diversification rates on phylogenetic trees. The project will also assess how organismal traits (life history, dispersal biology, population size) contribute to demographic processes that can influence the formation and persistence of incipient species. The project will provide a bridge between biological processes that occur at two very different timescales and will provide an understanding of how changes in populations at ecological timescales affect changes in biological diversity at deep (million-year) timescales.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.
物种多样性在整个生命树中变化很大:一些生物群体,如甲虫和开花植物,包含的物种远远多于大多数其他生物群体。理解某些群体如何以及为什么比其他群体拥有更多的物种是生命科学中一个核心而未解决的问题。对物种数量差异的一类解释涉及新物种出现的速度。利用基因组生物学和计算数据科学的工具,该项目将确定导致物种形成不同速率的机制,并量化它们在脊椎动物主要群体中的重要性。 该项目将为本科生、研究生和博士后学生和研究人员提供基因组学、地理信息系统、计算生物学和生物多样性科学方面的培训。为该项目开发的基因组资源和新的科学软件将公开提供,一个博物馆展览将突出基因组学和计算机编程正在改变科学家研究和理解地球上生命形式多样性的方式。该项目将通过整合下一代,世代人口基因组学与谱系多样化率的系统发育比较观点。该项目将量化几个种群过程的基因组信号,以解决种群分裂率和持久性如何影响时间校准系统发育树上测量的物种形成率。这些目标将通过估计物种形成率不同的许多有鳞爬行动物物种的地理和种群基因组参数,并通过开发新的方法将这些参数与系统发育树的多样化率联系起来。该项目还将评估生物特征(生活史,扩散生物学,种群规模)如何影响人口统计过程,从而影响早期物种的形成和持久性。该项目将在两个截然不同的时间尺度上发生的生物过程之间架起一座桥梁,并将了解生态时间尺度上的种群变化如何影响深层(百万年)时间尺度上的生物多样性变化。该奖项反映了NSF的法定使命,并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,被认为值得支持。

项目成果

期刊论文数量(6)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Subspecies at crossroads: the evolutionary significance of genomic and phenotypic variation in a wide-ranging Australian lizard ( Ctenotus pantherinus )
十字路口的亚种:广泛分布的澳大利亚蜥蜴(Ctenotus pantherinus)基因组和表型变异的进化意义
  • DOI:
    10.1093/zoolinnean/zlac076
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    2.8
  • 作者:
    Prates, Ivan;Doughty, Paul;Rabosky, Daniel L.
  • 通讯作者:
    Rabosky, Daniel L.
Genetic and Ecogeographic Controls on Species Cohesion in Australia’s Most Diverse Lizard Radiation
澳大利亚最多样化的蜥蜴辐射中物种凝聚力的遗传和生态地理控制
  • DOI:
    10.1086/717411
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Prates, Ivan;Singhal, Sonal;Marchán-Rivadeneira, M. Raquel;Grundler, Maggie R.;Moritz, Craig;Donnellan, Stephen C.;Rabosky, Daniel L.
  • 通讯作者:
    Rabosky, Daniel L.
Notes from the taxonomic disaster zone: Evolutionary drivers of intractable species boundaries in an Australian lizard clade (Scincidae: Ctenotus )
分类灾难区的注释:澳大利亚蜥蜴进化枝中棘手物种边界的进化驱动因素(Scincidae:Ctenotus)
  • DOI:
    10.1111/mec.17074
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    4.9
  • 作者:
    Prates, Ivan;Hutchinson, Mark N.;Singhal, Sonal;Moritz, Craig;Rabosky, Daniel L.
  • 通讯作者:
    Rabosky, Daniel L.
A new lizard species (Scincidae: Ctenotus) highlights persistent knowledge gaps on the biodiversity of Australia’s central deserts
一种新的蜥蜴物种(Scincidae:Ctenotus)凸显了澳大利亚中部沙漠生物多样性方面持续存在的知识差距
  • DOI:
    10.18061/bssb.v1i2.8720
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Prates, Ivan;Hutchinson, Mark N.;Huey, Joel A.;Hillyer, Mia J.;Rabosky, Daniel L.
  • 通讯作者:
    Rabosky, Daniel L.
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Daniel Rabosky其他文献

Daniel Rabosky的其他文献

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{{ truncateString('Daniel Rabosky', 18)}}的其他基金

Digitization TCN: Collaborative Research: oVert: Open Exploration of Vertebrate Diversity in 3D
数字化 TCN:合作研究:oVert:3D 脊椎动物多样性的开放探索
  • 批准号:
    1701713
  • 财政年份:
    2017
  • 资助金额:
    $ 56.6万
  • 项目类别:
    Standard Grant
DISSERTATION RESEARCH: A phylogenomic window into trophic niche evolution in frogs
论文研究:青蛙营养生态位进化的系统发育窗口
  • 批准号:
    1701459
  • 财政年份:
    2017
  • 资助金额:
    $ 56.6万
  • 项目类别:
    Standard Grant
DISSERTATION RESEARCH: Form, function, and modularity in the modern bat skull: understanding the evolution of phenotypic complexity
论文研究:现代蝙蝠头骨的形式、功能和模块化:了解表型复杂性的演变
  • 批准号:
    1501304
  • 财政年份:
    2015
  • 资助金额:
    $ 56.6万
  • 项目类别:
    Standard Grant
A macroevolutionary framework to study the assembly of continental biotas
研究大陆生物群组合的宏观进化框架
  • 批准号:
    1256330
  • 财政年份:
    2013
  • 资助金额:
    $ 56.6万
  • 项目类别:
    Continuing Grant
NSF East Asia Summer Institutes for US Graduate Students
美国研究生 NSF 东亚暑期学院
  • 批准号:
    0413351
  • 财政年份:
    2004
  • 资助金额:
    $ 56.6万
  • 项目类别:
    Fellowship Award

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  • 项目类别:
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