The velocity of evolutionary responses of species to ecological change: testing adaptive limits in time and space

物种对生态变化的进化反应速度:测试时间和空间的适应性限制

基本信息

  • 批准号:
    NE/N015843/1
  • 负责人:
  • 金额:
    $ 41.64万
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Research Grant
  • 财政年份:
    2016
  • 资助国家:
    英国
  • 起止时间:
    2016 至 无数据
  • 项目状态:
    已结题

项目摘要

Climate change is causing the populations of some species to increase, some to remain relatively stable, and others to decline, even when the species co-exist and might be expected to exhibit comparable ecological responses (e.g., some southern species have expanded their ranges northwards, whereas others have retreated). This diversity of responses to climate change may reflect differences in their capacities to undertake evolutionary and plastic responses that determine success or failure. However, multi-species studies of historical evolutionary responses to environmental change are lacking. In the proposed research, we will use: (1) analyses of historical and present-day DNA from 30 species (10 declining, 10 stable and 10 expanding) to identify the commonality or diversity of adaptive responses to anthropogenic climate change; (2) experimental studies to tease apart plastic, epigenetic and evolutionary responses in a focal species; and (3) modelling to evaluate the contributions of evolutionary, epigenetic and plastic changes to the responses of British Lepidoptera to past and future climatic changes. Moths and butterflies represent an ideal study group because extensive datasets allow us to document the ecological (population abundance, distribution change) and plastic (phenology) responses of species to climate change over the past four decades with a precision not possible for other taxa. Their annual (or faster) generations permit rapid evolutionary change as well as plastic responses to within- and between-year variation in climatic conditions. Museum collections will enable us to assess historical levels of genetic variation within our study species prior to 20th century anthropogenic climate change. We will take advantage of recent advances in sequencing technology to quantify ancestral genetic variation in our study species, and compare this with current genomic diversity to enumerate genetic changes taking place in declining, stable and increasing species, and specifically to evaluate whether species with higher levels of genetic variation show greater ability to adapt to climate change. We will complement this multi-species analysis by evaluating the capacity of expanding, stable and declining populations of one focal species, Pararge aegeria (Speckled wood butterfly) to exhibit evolutionary change, phenotypic plasticity and epigenetic effects using experiments in which we manipulate environmental conditions during larval development (temperature, photoperiod and host-plant desiccation). These experiments will reveal if there are environmental thresholds beyond which adaptive plasticity fails, and the potential for plasticity to evolve and buffer species under future environments. We will then use dynamic simulation models that incorporate our empirical data to test the relative importance of phenotypic plasticity, epigenetic effects, and evolutionary responses in determining species' responses to climate change, and how the relative importance of these factors varies among different species and population types. Once calibrated, we can then use our models to project the responses of these species to future climate change, based on observed limits to adaptation and plasticity. Distinguishing the key factors (ecological, demographic, and genomic) that determine species' responses to environmental change, and how these depend on evolutionary responses, will allow us to identify potential conservation strategies to facilitate population persistence and growth in the face of ongoing climate change.
气候变化正在导致一些物种的种群增加,一些保持相对稳定,而另一些则下降,即使这些物种共存,并且可能会表现出类似的生态反应(例如,一些南方的物种向北扩展了它们的活动范围,而另一些则撤退了。对气候变化的这种多样性反应可能反映了它们采取决定成败的进化和可塑性反应的能力的差异。然而,多物种的研究历史进化对环境变化的反应是缺乏的。在这项研究中,我们将用途:(1)分析30个物种的历史和现代DNA(10个下降,10个稳定和10个扩大),以确定人类气候变化的适应性反应的共同性或多样性;(2)实验研究,梳理除了塑料,表观遗传和进化的反应,在一个焦点物种;(3)模拟评估进化、表观遗传和可塑性变化对英国鳞翅目昆虫对过去和未来气候变化响应的贡献。蛾和蝴蝶代表了一个理想的研究群体,因为广泛的数据集使我们能够记录物种在过去四十年中对气候变化的生态(种群丰度,分布变化)和塑料(物候学)反应,其精确度是其他分类群不可能的。它们的年度(或更快)世代允许快速的进化变化以及对气候条件年内和年间变化的塑料反应。博物馆的收藏将使我们能够评估在20世纪世纪人为气候变化之前,我们研究物种的遗传变异的历史水平。我们将利用测序技术的最新进展来量化我们研究物种中的祖先遗传变异,并将其与当前的基因组多样性进行比较,以列举在下降,稳定和增加的物种中发生的遗传变化,特别是评估遗传变异水平较高的物种是否表现出更大的适应气候变化的能力。我们将通过评估一个焦点物种Pararge aegeria(斑点木蝴蝶)的扩展,稳定和下降种群的能力来补充这种多物种分析,以展示进化变化,表型可塑性和表观遗传效应,使用实验,我们在幼虫发育过程中操纵环境条件(温度,光周期和寄主植物干燥)。这些实验将揭示是否存在适应性可塑性失败的环境阈值,以及可塑性在未来环境下进化和缓冲物种的潜力。然后,我们将使用动态模拟模型,结合我们的经验数据来测试表型可塑性,表观遗传效应和进化反应在确定物种对气候变化的反应的相对重要性,以及这些因素的相对重要性如何在不同物种和种群类型之间变化。一旦校准,我们就可以使用我们的模型来预测这些物种对未来气候变化的反应,基于观察到的适应性和可塑性的限制。区分决定物种对环境变化的反应的关键因素(生态,人口和基因组),以及这些因素如何依赖于进化反应,将使我们能够确定潜在的保护策略,以促进人口的持续和增长,面对持续的气候变化。

项目成果

期刊论文数量(10)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Discovering the limits of ecological resilience.
发现生态恢复力的极限。
  • DOI:
    10.1126/science.aba6432
  • 发表时间:
    2020
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Bridle J
  • 通讯作者:
    Bridle J
The evolution of novel biotic interactions at ecological margins in response to climate change involves alleles from across the geographical range of the UK Brown Argus butterfly
响应气候变化而在生态边缘发生的新型生物相互作用的演变涉及来自英国棕色阿格斯蝴蝶整个地理范围的等位基因
  • DOI:
    10.1101/2022.02.07.479435
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    0
  • 作者:
    De Jong M
  • 通讯作者:
    De Jong M
Haplotype tagging reveals parallel formation of hybrid races in two butterfly species.
Rapid evolution of novel biotic interactions in the UK Brown Argus butterfly uses genomic variation from across its geographical range.
英国褐阿格斯蝴蝶新型生物相互作用的快速进化利用了其整个地理范围内的基因组变异。
  • DOI:
    10.1111/mec.17138
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    4.9
  • 作者:
    De Jong M
  • 通讯作者:
    De Jong M
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Jonathan Bridle其他文献

Jonathan Bridle的其他文献

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{{ truncateString('Jonathan Bridle', 18)}}的其他基金

The ecological and evolutionary legacy of extreme climatic events for food web resilience
极端气候事件对食物网恢复力的生态和进化遗产
  • 批准号:
    NE/X000451/1
  • 财政年份:
    2023
  • 资助金额:
    $ 41.64万
  • 项目类别:
    Research Grant
Evolutionary rescue and the limits to phenotypic plasticity: testing theory in the field
进化救援和表型可塑性的限制:现场测试理论
  • 批准号:
    NE/P001793/1
  • 财政年份:
    2017
  • 资助金额:
    $ 41.64万
  • 项目类别:
    Research Grant
Ecological and evolutionary effects of climate change on rainforest food webs
气候变化对雨林食物网的生态和进化影响
  • 批准号:
    NE/N01037X/1
  • 财政年份:
    2016
  • 资助金额:
    $ 41.64万
  • 项目类别:
    Research Grant
Testing the limits to evolution: when and why does adaptation fail in response to ecological change?
测试进化的极限:适应何时以及为何无法应对生态变化?
  • 批准号:
    NE/G007039/1
  • 财政年份:
    2010
  • 资助金额:
    $ 41.64万
  • 项目类别:
    Research Grant
Predicting ecological and evolutionary responses to climate change in habitat and ecological networks: the impact of variation within species
预测栖息地和生态网络对气候变化的生态和进化反应:物种内变异的影响
  • 批准号:
    NE/H018468/1
  • 财政年份:
    2010
  • 资助金额:
    $ 41.64万
  • 项目类别:
    Training Grant

相似国自然基金

经济复杂系统的非稳态时间序列分析及非线性演化动力学理论
  • 批准号:
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