DISSERTATION RESEARCH: Relationship between diverse male coloration and speciation in darters

论文研究:不同雄性体色与蛇鲈物种形成之间的关系

基本信息

  • 批准号:
    1210743
  • 负责人:
  • 金额:
    $ 1.42万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2012
  • 资助国家:
    美国
  • 起止时间:
    2012-06-01 至 2015-09-30
  • 项目状态:
    已结题

项目摘要

Selection on differential reproductive success of males and females (sexual selection) has been linked to speciation by driving divergence in both a male trait and the female preference for that trait. However, this process should not apply to the diversification of traits selected via male-male competition rather than female preference. Such traits may nevertheless facilitate speciation if involved in species recognition, and be favored if mating among species is disadvantageous (i.e., reinforcement against hybridization). This project investigates orangethroat and rainbow darters, representatives of a speciose fish clade with diverse and distinctive male breeding coloration. In both, competition between males affects their reproductive success while female preference does not. The research will incorporate (1) preference experiments to test whether male coloration mediates species recognition, (2) field surveys to examine the factors underlying male color diversification, and (3) a breeding design to measure hybrid inviability and thus the potential for reinforcement.This project will elucidate the poorly understood relationship between speciation and male-male competition, a major aspect of sexual selection. Additionally, there will be opportunities for science education through participation in public outreach events involving native aquatic fauna, as darters make attractive and accessible subjects for teaching about ecology, evolution, and conservation. Finally, this project will mentor undergraduates in evolutionary concepts and the process of scientific inquiry.
对男性和女性不同生殖成功的选择(性选择)与物种形成有关,因为它推动了男性特征和女性对该特征的偏好的差异。然而,这一过程不应适用于通过男性-男性竞争而不是女性偏好选择的特征的多样化。然而,如果涉及到物种识别,这些特征可能会促进物种形成,如果物种之间的交配是不利的(即,加强了对杂交的抵抗力),则会受到青睐。这个项目调查了橙色和彩虹飞镖,这是一种具有不同和独特的雄性繁殖色彩的特殊鱼类支系的代表。在这两种情况下,男性之间的竞争影响他们的生殖成功,而女性的偏好不会。这项研究将包括(1)偏好实验,以测试雄性着色是否调节物种识别,(2)实地调查,以检查导致雄性颜色多样化的因素,以及(3)育种设计,以衡量杂交不活力,从而增强的潜力。该项目将阐明物种形成和雄性竞争之间鲜为人知的关系,这是性别选择的一个主要方面。此外,还将有机会通过参与涉及本地水生动物的公共推广活动来进行科学教育,因为飞镖鱼成为具有吸引力和可接近的主题,用于教授生态学、进化和保护。最后,这个项目将指导本科生进化概念和科学探究的过程。

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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Rebecca Fuller其他文献

Cerebellar vermis: Volume measurement with regionally defined lateral borders
  • DOI:
    10.1016/s1053-8119(00)91438-1
  • 发表时间:
    2000-05-01
  • 期刊:
  • 影响因子:
  • 作者:
    Ronald Pierson;Rebecca Fuller;Daniel O'Leary;Nancy Andreasen
  • 通讯作者:
    Nancy Andreasen

Rebecca Fuller的其他文献

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{{ truncateString('Rebecca Fuller', 18)}}的其他基金

DISSERTATION RESEARCH: Examining the role of reinforcement in driving genomic divergence between and within species in darters
论文研究:检验强化在驱动蛇鲈物种之间和物种内部基因组差异中的作用
  • 批准号:
    1701676
  • 财政年份:
    2017
  • 资助金额:
    $ 1.42万
  • 项目类别:
    Standard Grant
I-Corps: BassInSight: Determining the economic value and market potential for estimating bass visual perception
I-Corps:BassInSight:确定估计低音视觉感知的经济价值和市场潜力
  • 批准号:
    1637153
  • 财政年份:
    2016
  • 资助金额:
    $ 1.42万
  • 项目类别:
    Standard Grant
DISSERTATION RESEARCH: Investigating Local Adaptation to Different Habitats in the Blackstripe Topminnow, Fundulus notatus
论文研究:调查黑条纹顶米诺鱼(Fundulus notatus)对不同栖息地的局部适应
  • 批准号:
    1210881
  • 财政年份:
    2012
  • 资助金额:
    $ 1.42万
  • 项目类别:
    Standard Grant
DISSERTATION RESEARCH: Linking ecological divergence and reproductive isolation: the role of chromosomal fusions
论文研究:将生态分歧与生殖隔离联系起来:染色体融合的作用
  • 批准号:
    1110658
  • 财政年份:
    2011
  • 资助金额:
    $ 1.42万
  • 项目类别:
    Standard Grant
DISSERTATION RESEARCH: Maintenance of a pterin-based male color polymorphism in Lucania goodei
论文研究:Lucania Goodei 中基于蝶呤的雄性颜色多态性的维持
  • 批准号:
    1011369
  • 财政年份:
    2010
  • 资助金额:
    $ 1.42万
  • 项目类别:
    Standard Grant
CAREER: A COMPARATIVE STUDY OF EXTRINSIC AND INTRINSIC ISOLATION IN KILLIFISH - USING STUDIES OF SPECIATION TO DEVELOP RESOURCES FOR TEACHING SPECIATION
职业生涯:鳉鱼外部和内部隔离的比较研究 - 利用物种研究开发物种教学资源
  • 批准号:
    0953716
  • 财政年份:
    2010
  • 资助金额:
    $ 1.42万
  • 项目类别:
    Continuing Grant
Measuring the covariance between sensory systems and behavior: testing the assumptions of the sensory bias and sensory exploitation hypotheses
测量感觉系统和行为之间的协方差:测试感觉偏差和感觉利用假设的假设
  • 批准号:
    0645997
  • 财政年份:
    2006
  • 资助金额:
    $ 1.42万
  • 项目类别:
    Continuing Grant
Measuring the covariance between sensory systems and behavior: testing the assumptions of the sensory bias and sensory exploitation hypotheses
测量感觉系统和行为之间的协方差:测试感觉偏差和感觉利用假设的假设
  • 批准号:
    0445127
  • 财政年份:
    2005
  • 资助金额:
    $ 1.42万
  • 项目类别:
    Continuing Grant

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