Linking behavioural and landscape ecology of hybridization in mammals

将哺乳动物杂交的行为和景观生态学联系起来

基本信息

  • 批准号:
    249617-2013
  • 负责人:
  • 金额:
    $ 1.82万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Discovery Grants Program - Individual
  • 财政年份:
    2017
  • 资助国家:
    加拿大
  • 起止时间:
    2017-01-01 至 2018-12-31
  • 项目状态:
    已结题

项目摘要

The rapid pace of contemporary climate change means that we may be entering an era of rapid adaptation due to intense natural selection. Interspecific hybridization is often considered to be a consequence of climate change, but it is also potentially an important source of rapid adaptation. This is because hybridization is a relatively fast way to arrive at new combinations of genes, which may then produce novel traits in organisms. Under appropriate environmental conditions, these novel traits may then persist in the population if they confer a fitness advantage. My research program involves testing predictions about animal behaviours that lead to interspecific hybridization, and then assessing large-scale consequences of these behaviours on the genetic structure of populations. My colleagues and I have observed hybridization between northern and southern flying squirrels in a contact zone that has recently emerged between these species in Ontario due to range expansion by the southern species. We think that hybridization between flying squirrel species is promoted by the behavioural need to huddle (or socially thermoregulate) in winter, since mating occurs in late winter while squirrels are still thermally stressed. If squirrels of both species huddle together, that could lead to the hybridization we have observed in the contact zone. We will carry out observational studies and experiments to test the hypothesis that northern and southern flying squirrels will socially thermoregulate together. We will then carry out analyses of large-scale genetic structure to assess the distribution, genetic, and morphological structure of hybrid flying squirrels.
当代气候变化的快速步伐意味着,由于激烈的自然选择,我们可能正在进入一个快速适应的时代。种间杂交通常被认为是气候变化的结果,但它也可能是快速适应的重要来源。这是因为杂交是一种相对快速的获得新基因组合的方法,然后可能在生物体中产生新的性状。在适当的环境条件下,如果这些新的特征赋予适应性优势,它们可能会在种群中持续存在。我的研究计划包括测试有关导致种间杂交的动物行为的预测,然后评估这些行为对种群遗传结构的大规模后果。我和我的同事观察到北方和南方飞鼠之间的杂交,最近在安大略出现了这些物种之间的接触区,由于南方物种的范围扩大。我们认为,飞鼠物种之间的杂交是由冬季蜷缩(或社会温度调节)的行为需求促进的,因为交配发生在冬末,而松鼠仍然受到热压力。如果两种松鼠挤在一起,可能会导致我们在接触区观察到的杂交。我们将进行观察研究和实验,以验证北方和南方飞鼠将共同进行社会性体温调节的假设。然后,我们将进行大规模的遗传结构分析,以评估混合飞鼠的分布,遗传和形态结构。

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
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Bowman, Jeff其他文献

SARS-CoV-2 wildlife surveillance in Ontario and Québec.
  • DOI:
    10.14745/ccdr.v48i06a02
  • 发表时间:
    2022-06-09
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Greenhorn, Janet E;Kotwa, Jonathon D;Bowman, Jeff;Bruce, Laura;Buchanan, Tore;Buck, Peter A;Davy, Christina M;Dibernardo, Antonia;Flockhart, Logan;Gagnier, Marianne;Hou, Aaron;Jardine, Claire M;Lair, Stephane;Lindsay, L Robbin;Masse, Ariane;Muchaal, Pia K;Nituch, Larissa A;Sotto, Angelo;Stevens, Brian;Yip, Lily;Mubareka, Samira
  • 通讯作者:
    Mubareka, Samira
Molecular epidemiology of Aleutian disease virus in free-ranging domestic, hybrid, and wild mink
  • DOI:
    10.1111/j.1752-4571.2011.00224.x
  • 发表时间:
    2012-06-01
  • 期刊:
  • 影响因子:
    4.1
  • 作者:
    Nituch, Larissa A.;Bowman, Jeff;Schulte-Hostedde, Albrecht I.
  • 通讯作者:
    Schulte-Hostedde, Albrecht I.
Roads, logging, and the large-mammal community of an eastern Canadian boreal forest
Effects of cost surface uncertainty on current density estimates from circuit theory
  • DOI:
    10.7717/peerj.9617
  • 发表时间:
    2020-08-03
  • 期刊:
  • 影响因子:
    2.7
  • 作者:
    Bowman, Jeff;Adey, Elizabeth;Solmundson, Kirsten
  • 通讯作者:
    Solmundson, Kirsten
Mapping landscape connectivity for large spatial extents
  • DOI:
    10.1007/s10980-019-00897-6
  • 发表时间:
    2019-10-01
  • 期刊:
  • 影响因子:
    5.2
  • 作者:
    Koen, Erin L.;Ellington, E. Hance;Bowman, Jeff
  • 通讯作者:
    Bowman, Jeff

Bowman, Jeff的其他文献

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{{ truncateString('Bowman, Jeff', 18)}}的其他基金

Causes and consequences of hybridization in mammals
哺乳动物杂交的原因和后果
  • 批准号:
    RGPIN-2019-04009
  • 财政年份:
    2022
  • 资助金额:
    $ 1.82万
  • 项目类别:
    Discovery Grants Program - Individual
Causes and consequences of hybridization in mammals
哺乳动物杂交的原因和后果
  • 批准号:
    RGPIN-2019-04009
  • 财政年份:
    2021
  • 资助金额:
    $ 1.82万
  • 项目类别:
    Discovery Grants Program - Individual
Causes and consequences of hybridization in mammals
哺乳动物杂交的原因和后果
  • 批准号:
    RGPIN-2019-04009
  • 财政年份:
    2020
  • 资助金额:
    $ 1.82万
  • 项目类别:
    Discovery Grants Program - Individual
Causes and consequences of hybridization in mammals
哺乳动物杂交的原因和后果
  • 批准号:
    RGPIN-2019-04009
  • 财政年份:
    2019
  • 资助金额:
    $ 1.82万
  • 项目类别:
    Discovery Grants Program - Individual
Linking behavioural and landscape ecology of hybridization in mammals
将哺乳动物杂交的行为和景观生态学联系起来
  • 批准号:
    249617-2013
  • 财政年份:
    2018
  • 资助金额:
    $ 1.82万
  • 项目类别:
    Discovery Grants Program - Individual
Linking behavioural and landscape ecology of hybridization in mammals
将哺乳动物杂交的行为和景观生态学联系起来
  • 批准号:
    249617-2013
  • 财政年份:
    2015
  • 资助金额:
    $ 1.82万
  • 项目类别:
    Discovery Grants Program - Individual
Linking behavioural and landscape ecology of hybridization in mammals
将哺乳动物杂交的行为和景观生态学联系起来
  • 批准号:
    249617-2013
  • 财政年份:
    2014
  • 资助金额:
    $ 1.82万
  • 项目类别:
    Discovery Grants Program - Individual
Linking behavioural and landscape ecology of hybridization in mammals
将哺乳动物杂交的行为和景观生态学联系起来
  • 批准号:
    249617-2013
  • 财政年份:
    2013
  • 资助金额:
    $ 1.82万
  • 项目类别:
    Discovery Grants Program - Individual
Linking behavioural and landscape ecology of hybridization in mammals
将哺乳动物杂交的行为和景观生态学联系起来
  • 批准号:
    249617-2012
  • 财政年份:
    2012
  • 资助金额:
    $ 1.82万
  • 项目类别:
    Discovery Grants Program - Individual
Linking movement of individuals with population-level responses to habitat fragmentation
将个体的移动与人口层面对栖息地破碎化的反应联系起来
  • 批准号:
    249617-2003
  • 财政年份:
    2003
  • 资助金额:
    $ 1.82万
  • 项目类别:
    Discovery Grants Program - Individual

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将哺乳动物杂交的行为和景观生态学联系起来
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