Collaborative Research: The dynamics of geographic ranges: Origin and maintenance of marine diversity gradients

合作研究:地理范围的动态:海洋多样性梯度的起源和维持

基本信息

  • 批准号:
    0921800
  • 负责人:
  • 金额:
    $ 2.76万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2009
  • 资助国家:
    美国
  • 起止时间:
    2009-08-15 至 2013-07-31
  • 项目状态:
    已结题

项目摘要

Collaborative Research: The dynamics of geographic ranges: Origin and maintenance of marine diversity gradientsDavid I Jablonski, University of ChicagoJames W. Valentine, University of California, BerkeleyThis award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5). The most striking large-scale pattern in biological diversity is the dramatic increase in the number of species and higher taxa from the poles to the tropics. However, the dynamics that generate and maintain that trend remain poorly understood, despite their importance not only for evolutionary and ecological theory, but for the management and conservation of biological resources. In developing marine bivalves as a model system for tracking evolutionary and geographic histories of biodiversity (because bivalves are diverse and well-sampled in most marine environments and have a rich and well-documented fossil record), we have found that the spatial expansion of evolutionary lineages across latitude is a crucial factor shaping the global diversity gradient. Our proposed study will use the marine bivalves to evaluate how these dynamics operate, by tracing present-day bivalve biodiversity back through the past 25 million years. We will focus on three major questions: 1) What is the process of range expansion?2) Is range expansion selective? 3) What inhibits range expansion? This work exemplifies the key data and analyses that the fossil record can contribute to understanding biodiversity dynamics at global and regional scales. We can use the geologic record to assess both the major biological factors governing those dynamics, and the interaction of intrinsic, biological factors with extrinsic, time-varying climatic factors in shaping diversity in time and space. By documenting the long-term responses of marine bivalves to climatic events of the recent geologic past, our study will also provide a better foundation for predicting the response of the living biota to future climate change. In addition, by incorporating biotic factors such as body size and geographic range size in a dynamical framework, this work will furnish a bridge between paleontological data and studies of present-day biodiversity. And this research will support the education of a graduate student and a postdoctoral researcher, who will be treated as full collaborators in this work, including training in research planning, presentation of results, publication, and career guidance. We will continue to develop on-line educational resources derived from our research (pages on our work at the Understanding Evolution website have received 58,000 visits).
合作研究:地理范围的动态:海洋多样性梯度的起源和维持芝加哥大学的David I Jablonski,加利福尼亚大学的James W.瓦伦丁,伯克利该奖项由2009年《美国复苏和再投资法案》(公法111-5)资助。生物多样性中最引人注目的大规模模式是从极地到热带的物种和高等类群的数量急剧增加。然而,产生和维持这一趋势的动力仍然鲜为人知,尽管它们不仅对进化论和生态学理论,而且对生物资源的管理和保护都很重要。在开发海洋双壳类作为追踪生物多样性进化和地理历史的模式系统(因为双壳类在大多数海洋环境中多样性和采样良好,并拥有丰富和有良好记录的化石记录)时,我们发现,进化谱系在纬度上的空间扩展是形成全球多样性梯度的关键因素。我们提议的研究将使用海洋双壳类来评估这些动态是如何运作的,通过追溯到过去2500万年来今天的双壳类生物多样性。我们将关注三个主要问题:1)射程扩张的过程是什么?2)射程扩张是选择性的吗?3)是什么抑制了射程扩张?这项工作例证了化石记录有助于理解全球和区域范围内生物多样性动态的关键数据和分析。我们可以利用地质记录来评估支配这些动态的主要生物因素,以及在形成时空多样性方面内在的、生物的因素与外在的、随时间变化的气候因素的相互作用。通过记录海洋双壳类对最近地质历史气候事件的长期响应,我们的研究也将为预测生物群对未来气候变化的响应提供更好的基础。此外,通过将身体大小和地理范围大小等生物因素纳入动态框架,这项工作将在古生物数据和现代生物多样性研究之间架起一座桥梁。这项研究将支持一名研究生和一名博士后研究员的教育,他们将被视为这项工作的全面合作者,包括研究规划、成果展示、出版和职业指导方面的培训。我们将继续开发从我们的研究中获得的在线教育资源(我们在理解进化网站上的工作页面已有58,000次访问)。

项目成果

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James Valentine其他文献

Therapies for rare diseases: therapeutic modalities, progress and challenges ahead
罕见病的治疗方法:治疗方式、进展及未来面临的挑战
  • DOI:
    10.1038/s41573-019-0049-9
  • 发表时间:
    2019-12-13
  • 期刊:
  • 影响因子:
    101.800
  • 作者:
    Erik Tambuyzer;Benjamin Vandendriessche;Christopher P. Austin;Philip J. Brooks;Kristina Larsson;Katherine I. Miller Needleman;James Valentine;Kay Davies;Stephen C. Groft;Robert Preti;Tudor I. Oprea;Marco Prunotto
  • 通讯作者:
    Marco Prunotto
Femorofemoral bypass with femoral popliteal vein
  • DOI:
    10.1016/j.jvs.2005.03.056
  • 发表时间:
    2005-07-01
  • 期刊:
  • 影响因子:
  • 作者:
    Victor D’Addio;Ahsan Ali;Carlos Timaran;Tif Siragusa;James Valentine;Frank Arko;J. Gregory Modrall;G. Patrick Clagett
  • 通讯作者:
    G. Patrick Clagett

James Valentine的其他文献

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{{ truncateString('James Valentine', 18)}}的其他基金

COLLABORATIVE RESEARCH: Palebiology of Latitudinal Turnover Gradients -- Transoceanic Comparative Analyses
合作研究:纬度周转梯度的古生物学——跨洋比较分析
  • 批准号:
    9905379
  • 财政年份:
    1999
  • 资助金额:
    $ 2.76万
  • 项目类别:
    Continuing Grant
Characterizing Metazoa of the Neoproterozoic by Investigating the Taphonomy and Phylogeny of Modern Animals
通过研究现代动物的埋藏学和系统发育来表征新元古代的后生动物
  • 批准号:
    9814845
  • 财政年份:
    1999
  • 资助金额:
    $ 2.76万
  • 项目类别:
    Continuing Grant
Biomechanics and Body Plans: A Comparative Study of Late Precambrian and Modern Traces and their Makers
生物力学和身体计划:前寒武纪晚期和现代痕迹及其制造者的比较研究
  • 批准号:
    9317247
  • 财政年份:
    1994
  • 资助金额:
    $ 2.76万
  • 项目类别:
    Continuing Grant
Collaborative Research: Gradients of Origination and Extinction in Benthic Marine Invertebrates: Comparative Analysis in the Fossil Record
合作研究:底栖海洋无脊椎动物起源和灭绝的梯度:化石记录的比较分析
  • 批准号:
    9317372
  • 财政年份:
    1994
  • 资助金额:
    $ 2.76万
  • 项目类别:
    Standard Grant
Body Plan Variation and Pattern Formation Among Metazoans During Their Early Radiation
后生动物早期辐射期间的身体计划变化和模式形成
  • 批准号:
    9015444
  • 财政年份:
    1991
  • 资助金额:
    $ 2.76万
  • 项目类别:
    Standard Grant
Collaborative Research: Developmental Strategies in Benthic Marine Invertebrates: Evolutionary Effects
合作研究:底栖海洋无脊椎动物的发育策略:进化效应
  • 批准号:
    9015453
  • 财政年份:
    1990
  • 资助金额:
    $ 2.76万
  • 项目类别:
    Continuing grant
Collaborative Research: Developmental Strategies in Benthic Marine Invertebrates: Evolutionary Effects
合作研究:底栖海洋无脊椎动物的发育策略:进化效应
  • 批准号:
    9196068
  • 财政年份:
    1990
  • 资助金额:
    $ 2.76万
  • 项目类别:
    Continuing Grant
Developmental Strategies in Neogene Benthic Marine Invertebrates in the Northeastern Pacific
东北太平洋新近纪底栖海洋无脊椎动物的发育策略
  • 批准号:
    8121212
  • 财政年份:
    1982
  • 资助金额:
    $ 2.76万
  • 项目类别:
    Standard Grant
Developmental Strategies in Benthic Marine Invertebrates: Application to Paleontological Problems
底栖海洋无脊椎动物的发育策略:在古生物学问题中的应用
  • 批准号:
    7815536
  • 财政年份:
    1978
  • 资助金额:
    $ 2.76万
  • 项目类别:
    Standard Grant

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