BRC-BIO: Environmental variation and the disruption of biotic local adaptation: Predicting consequences of changing microbial interactions for plant populations
BRC-BIO:环境变化和生物局部适应的破坏:预测微生物相互作用变化对植物种群的影响
基本信息
- 批准号:2312572
- 负责人:
- 金额:$ 49.6万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2023
- 资助国家:美国
- 起止时间:2023-09-01 至 2026-08-31
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
This project will measure how climate change may disrupt the species interactions that shape local adaptation. Local adaptation occurs when populations evolve to become more successful in their home environments. Harmful and beneficial interactions among species may create "biotic" patterns of local adaptation. Yet, variation in the strength of biotic adaptation across large landscapes remains poorly understood. Addressing this knowledge gap is urgent because climate change is expected to disrupt species interactions. Such shifts may challenge species' abilities to persist in changing communities. This work will generate crucial data about big sagebrush, a declining plant of restoration concern, and how its relationships with soil microbes may shift with climate change. The results of this research will be applicable to the selection of suitable seeds for restoration efforts. In addition, this project will create hands-on research and mentorship experiences for undergraduate students across disciplines. This work also aims to improve student retention in a large biology course, using active learning inspired by this imperiled native plant.Local adaptation is foundational to understanding populations’ current and future persistence; however, experiments examining local adaptation rarely isolate abiotic and biotic mechanisms. This research gap is urgent, as climate change may disrupt both abiotic and biotic fitness drivers simultaneously, potentially outpacing the adaptive capacities of long-lived species. The proposed work will integrate field- and lab-based reciprocal transplant experiments, sequencing of soil bacterial and fungal communities, and modeling approaches for species-rich communities to isolate the adaptive importance of plant-microbe interactions in big sagebrush (Artemisia tridentata) across environmental gradients. These results will be incorporated into population models to assess whether populations from contrasting abiotic environments differ in their susceptibility to disruption of biotic adaptation under changing climatic conditions. The project team will collect additional field data to measure the population models’ predictive accuracy in quantifying the relevance of plant-microbe interactions to ongoing restoration efforts in big sagebrush. This work will advance our understanding of how the adaptive importance of biotic interactions varies across heterogenous landscapes and which abiotic drivers may shape these gradients.This project is jointly funded by the Building Research Capacity of New Faculty in Biology program and the Established Program to Stimulate Competitive Research (EPSCoR).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.
该项目将测量气候变化如何破坏形成当地适应的物种相互作用。当种群进化到在其家庭环境中更加成功时,就发生了局部适应。物种之间有害和有益的相互作用可能产生局部适应的“生物”模式。然而,生物适应强度在大型景观中的变化仍然知之甚少。解决这一知识差距迫在眉睫,因为气候变化预计会破坏物种之间的相互作用。这种转变可能会挑战物种在不断变化的群落中生存的能力。这项工作将产生关于大山艾树的关键数据,这是一种正在衰落的恢复关注的植物,以及它与土壤微生物的关系如何随着气候变化而变化。本研究的结果将适用于选择合适的种子进行恢复工作。此外,该项目将为跨学科的本科生创造实践研究和指导经验。这项工作还旨在提高学生在大型生物学课程中的记忆力,利用这种濒危本土植物的积极学习。局部适应是了解种群当前和未来持续性的基础;然而,研究局部适应的实验很少分离出非生物和生物机制。这一研究缺口迫在眉睫,因为气候变化可能同时破坏非生物和生物适应度驱动因素,可能超过长寿物种的适应能力。这项工作将整合基于田间和实验室的互惠移植实验,土壤细菌和真菌群落的测序,以及物种丰富群落的建模方法,以分离跨环境梯度的大蒿(Artemisia tridentata)植物-微生物相互作用的适应性重要性。这些结果将被纳入种群模型,以评估来自不同非生物环境的种群在不断变化的气候条件下对生物适应中断的易感性是否存在差异。项目团队将收集额外的实地数据,以衡量种群模型在量化植物-微生物相互作用与正在进行的大山艾树恢复工作的相关性方面的预测准确性。这项工作将促进我们对生物相互作用的适应性重要性如何在异质景观中变化以及哪些非生物驱动因素可能塑造这些梯度的理解。本项目由“生物新学院研究能力建设计划”和“促进竞争性研究既定计划”(EPSCoR)共同资助。该奖项反映了美国国家科学基金会的法定使命,并通过使用基金会的知识价值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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Allison Simler-Williamson其他文献
Allison Simler-Williamson的其他文献
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{{ truncateString('Allison Simler-Williamson', 18)}}的其他基金
NSF Postdoctoral Fellowship in Biology FY 2020: Biotic drivers of local adaptation: Integrating the evolutionary consequences of plant-soil feedbacks into sagebrush
2020 财年 NSF 生物学博士后奖学金:局部适应的生物驱动因素:将植物-土壤反馈的进化结果整合到山艾树中
- 批准号:
2010868 - 财政年份:2021
- 资助金额:
$ 49.6万 - 项目类别:
Fellowship Award
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