The role of phylogenetic diversity on community assembly and ecosystem functioning: experimental tests using laboratory microcosms

系统发育多样性对群落组装和生态系统功能的作用:使用实验室微观世界的实验测试

基本信息

  • 批准号:
    1120281
  • 负责人:
  • 金额:
    $ 15.03万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2011
  • 资助国家:
    美国
  • 起止时间:
    2011-09-01 至 2014-08-31
  • 项目状态:
    已结题

项目摘要

The past several decades have seen escalating human activities that have substantially transformed our biosphere, resulting in widespread loss of biodiversity in many of Earth's ecosystems. Does this erosion of biodiversity affect the way that ecological communities assemble from individual species? Will it have any impact on the functioning of natural and managed ecosystems, including products and services (e.g., food, medicine, water quality, nutrient retention) that they provide for humanity? Ecologists have used a multitude of approaches, including mathematical models, field and laboratory experiments, and observations, to answer these important questions. While the large body of research conducted so far has revealed that biodiversity change can carry significant ecological consequences, our knowledge is rather incomplete. In particular, our current understanding of biodiversity effects is largely based on species richness (that is, the number of species in a given area) or diversity indices associated with species richness. It is largely unknown how phylogenetic diversity, an important element of biodiversity that accounts for species' evolutionary histories, affects community and ecosystem properties. In this project, the research team aims to fill this void by conducting a series of laboratory experiments using bacteria as model organisms. The project will start by examining the relationship between species' evolutionary relationships and the strength of competition between species, an issue first addressed by Darwin 150 years ago and yet still unresolved. With this basic information in hand, several hypotheses will be tested on how evolutionary relationships among species affect a number of community and ecosystem processes and functions. The research will be conducted in small artificial ecosystems called microcosms. Besides scientific contributions, this project will also contribute to educational outreach by training graduate and undergraduate students, particularly those from underrepresented minority groups. Minority students will be recruited from the Summer Undergraduate Research Program in Engineering/Science at Georgia Institute of Technology and from Agnes Scott College (a small liberal arts women's college in metro Atlanta).
过去几十年,人类活动不断升级,极大地改变了我们的生物圈,导致地球许多生态系统中生物多样性的广泛丧失。这种对生物多样性的侵蚀是否影响了生态群落由单个物种组成的方式?它会对自然和管理生态系统的功能,包括它们为人类提供的产品和服务(如食品、药品、水质、营养保留)产生任何影响吗?生态学家使用了多种方法,包括数学模型、实地和实验室实验以及观察,来回答这些重要的问题。虽然迄今为止进行的大量研究表明,生物多样性的变化可以带来重大的生态后果,但我们的知识相当不完整。特别是,我们目前对生物多样性效应的理解主要基于物种丰富度(即给定区域内的物种数量)或与物种丰富度相关的多样性指数。系统发育多样性是解释物种进化史的生物多样性的一个重要因素,它如何影响群落和生态系统的特性在很大程度上是未知的。在这个项目中,研究小组的目标是通过进行一系列以细菌作为模式生物的实验室实验来填补这一空白。该项目将从研究物种进化关系和物种间竞争强度之间的关系开始,这个问题在150年前由达尔文首次提出,但至今仍未得到解决。有了这些基本信息,关于物种之间的进化关系如何影响许多群落和生态系统过程和功能的几个假设将得到检验。这项研究将在被称为微观世界的小型人工生态系统中进行。除了科学贡献外,该项目还将通过培训研究生和本科生,特别是来自代表性不足的少数群体的学生,为教育推广做出贡献。少数民族学生将从佐治亚理工学院和艾格尼丝斯科特学院(亚特兰大大都会的一所小型文理女子学院)的工程/科学暑期本科研究项目中招募。

项目成果

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Lin Jiang其他文献

Frequency regulation of multi-area power systems with plug-in electric vehicles considering communication delays
考虑通信时延的插电式电动汽车多区域电力系统频率调节
Inhibitory effects of Schiff analogs of salicylidene aniline on phenoloxidase from Pieris rapae L. (Lepidoptera: Pieridae)
水杨苯胺希夫类似物对菜粉蝶(鳞翅目:粉蝶科)酚氧化酶的抑制作用
  • DOI:
    10.1016/j.pestbp.2008.01.001
  • 发表时间:
    2008
  • 期刊:
  • 影响因子:
    4.7
  • 作者:
    Ting Xiao;Xian;Chaobin Xue;Wan;Lin Jiang;S. Cao
  • 通讯作者:
    S. Cao
Dynamics And Energetics Associated With Ligand Photodissociation From Co Bound Chloroperoxidase
与钴结合氯过氧化物酶的配体光解相关的动力学和能量学
  • DOI:
  • 发表时间:
    2009
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Simona Horsa;Lin Jiang;Xiaotang Wang;J. Miksovska
  • 通讯作者:
    J. Miksovska
span style=font-family:#39;Times New Roman#39;,#39;serif#39;;color:black;font-size:10.5pt;Epigenetic code and potential epigenetic-based therapies against chronic diseases in developmental origins/span
表观遗传密码和针对发育起源的慢性疾病的潜在表观遗传疗法
  • DOI:
  • 发表时间:
    2014
  • 期刊:
  • 影响因子:
    7.4
  • 作者:
    Qinqin Gao;Jiaqi Tang;Jie Chen;Lin Jiang;Xiaolin Zhu;Zhice Xu
  • 通讯作者:
    Zhice Xu
Clinical significance of up-regulated ID1 expression in Chinese de novo acute myeloid leukemia
中国新发急性髓系白血病ID1表达上调的临床意义
  • DOI:
  • 发表时间:
    2015
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Yao Dong-Ming;Ma Ji-Chun;Lin Jiang;Qian Jun
  • 通讯作者:
    Qian Jun

Lin Jiang的其他文献

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{{ truncateString('Lin Jiang', 18)}}的其他基金

Experimental assessment of the long-term ecological and evolutionary consequences of engineered nanoparticles
工程纳米颗粒长期生态和进化后果的实验评估
  • 批准号:
    1833988
  • 财政年份:
    2019
  • 资助金额:
    $ 15.03万
  • 项目类别:
    Standard Grant
The Role of Phylogenetic Relatedness and Diversity on Community Assembly and Ecosystem Functioning: Experimental Tests Using Laboratory Protist Microcosms
系统发育相关性和多样性对群落组装和生态系统功能的作用:使用实验室原生生物微观世界进行的实验测试
  • 批准号:
    1856318
  • 财政年份:
    2019
  • 资助金额:
    $ 15.03万
  • 项目类别:
    Standard Grant
Combined Heat and Photo Voltaics (CHPV)
热电联产和光伏发电 (CHPV)
  • 批准号:
    EP/M507192/1
  • 财政年份:
    2014
  • 资助金额:
    $ 15.03万
  • 项目类别:
    Research Grant
Dimensions US-China: Collaborative Research: Phylogenetic, Functional, and Genetic Diversity and Ecosystem Functions in a Fragmented Landscape
维度 中美:合作研究:碎片化景观中的系统发育、功能和遗传多样性以及生态系统功能
  • 批准号:
    1342754
  • 财政年份:
    2014
  • 资助金额:
    $ 15.03万
  • 项目类别:
    Standard Grant
Collaborative Research: Relative Controls of Niche vs. Neutral Microbial Community Assembly Processes Over Ecosystem Function Post-Disturbance
合作研究:生态位与中性微生物群落组装过程对扰乱后生态系统功能的相对控制
  • 批准号:
    1257858
  • 财政年份:
    2013
  • 资助金额:
    $ 15.03万
  • 项目类别:
    Standard Grant
Nonlinear Adaptive Control of Doubly-fed Induction Generator for Variable Speed Wind Turbine
变速风力机双馈感应发电机非线性自适应控制
  • 批准号:
    EP/J014249/1
  • 财政年份:
    2012
  • 资助金额:
    $ 15.03万
  • 项目类别:
    Research Grant
Competition for Biotic Resources and Coexistence in Variable Environments
生物资源的竞争与多变环境中的共存
  • 批准号:
    0640416
  • 财政年份:
    2007
  • 资助金额:
    $ 15.03万
  • 项目类别:
    Standard Grant

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病毒多样性是改进艾滋病毒发病率估计的创新生物标志物
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