Collaborative Research: BEE: Integrating Evolutionary Genetics and Population Ecology to Detect Contemporary Adaptation to Climate Change Across a Species Range
合作研究:BEE:整合进化遗传学和种群生态学来检测当代跨物种对气候变化的适应
基本信息
- 批准号:2131818
- 负责人:
- 金额:$ 21.68万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-05-01 至 2025-04-30
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
This award is funded in whole or in part under the American Rescue Plan Act of 2021 (Public Law 117-2).Plant and animal populations typically perform best in the particular environments in which they evolved. However, climate change is now disrupting the evolved fit between organisms and their environments, leading to population declines. Natural areas loved by people and required by native species are being drastically and rapidly changed as key species are lost. But, if there is genetic variation in the ability to survive and reproduce in a changing climate, then evolution may lift population growth enough to enable population persistence. This study will provide policy makers and conservation managers guidelines to evaluate the potential efficacy of such evolutionary rescue. The PIs will measure population growth rates and the speed of evolutionary response of Scarlet Monkeyflower to the major, multi-year drought that took place between 2011-2016 in the western United States. This project will also provide training in ecological, evolutionary, and statistical concepts and approaches for high school students, undergraduates, graduate students, and postdoctoral researchers, including those from underrepresented groups.Although adaptation by natural selection and population trends (demography) are typically studied separately by evolutionary biologists and ecologists, respectively, they are fundamentally connected by fitness. In declining populations, individual fitness is generally low and individuals do not replace themselves. However, heritable variation for critical traits can allow adaptive evolution, boost fitness, and lead to increased population growth rate. An important question is whether adaptation to changing climate will be faster than the rate of demographic decline. This study will use reciprocal transplant and resurrection studies spanning the native range of the Scarlet Monkeyflower (Mimulus cardinalis) in Oregon and California to evaluate natural selection during the 2011-2016 mega-drought. The PIs will determine if natural selection during the drought led to increased population growth rate, and whether this change was greatest in populations that started with the most heritable variation for drought-related traits and fitness.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
该奖项的全部或部分资金来自《2021年美国救援计划法案》(公法117-2)。动植物种群通常在它们进化的特定环境中表现最好。然而,气候变化现在正在扰乱生物体与其环境之间的进化适应,导致种群数量下降。随着关键物种的消失,人们喜欢和本土物种需要的自然区域正在发生巨大而迅速的变化。但是,如果在不断变化的气候中生存和繁殖的能力存在遗传变异,那么进化可能会提高种群增长,使种群得以持续。这项研究将为政策制定者和保护管理者提供指导方针,以评估这种进化救援的潜在效果。PI将测量猩红猴花的种群增长率和进化反应速度,以应对2011-2016年间美国西部发生的多年大干旱。该项目还将为高中生、本科生、研究生和博士后研究人员提供生态学、进化论和统计学概念和方法的培训,包括那些来自代表不足的群体的人。尽管进化生物学家和生态学家通常分别研究自然选择适应和人口趋势(人口统计学),但它们从根本上是通过适应性联系在一起的。在人口减少的情况下,个体的适合度普遍较低,个体不会取代自己。然而,关键性状的可遗传变异可以允许适应性进化,提高适应度,并导致种群增长率加快。一个重要的问题是,适应气候变化的速度是否会快于人口下降的速度。这项研究将使用相互移植和复活研究,跨越俄勒冈州和加利福尼亚州的红猴花(Mimulus Cardinalis)原生范围,以评估2011-2016年特大干旱期间的自然选择。PIS将确定干旱期间的自然选择是否导致人口增长率增加,以及这种变化是否在与干旱相关的特征和适应性的最可遗传变异开始的种群中最大。这一奖项反映了NSF的法定使命,并通过使用基金会的智力优势和更广泛的影响审查标准进行评估,被认为值得支持。
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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Jason Sexton其他文献
Jason Sexton的其他文献
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{{ truncateString('Jason Sexton', 18)}}的其他基金
Collaborative Research: ORCC: Integrated mechanistic predictions of ecological and evolutionary responses to increasing aridity across the range of an iconic species
合作研究:ORCC:对标志性物种范围内日益干旱的生态和进化反应的综合机制预测
- 批准号:
2307792 - 财政年份:2023
- 资助金额:
$ 21.68万 - 项目类别:
Standard Grant
Collaborative Research: ORCC: Harnessing Adaptive Variation in Drought Resistance Strategies to Manage Populations Under Climate Change
合作研究:ORCC:利用抗旱策略的适应性变化来管理气候变化下的人口
- 批准号:
2222467 - 财政年份:2022
- 资助金额:
$ 21.68万 - 项目类别:
Standard Grant
NSF Postdoctoral Fellowship in Biology FY 2010
2010 财年 NSF 生物学博士后奖学金
- 批准号:
1003009 - 财政年份:2011
- 资助金额:
$ 21.68万 - 项目类别:
Fellowship Award
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