The Small Mammals of the Paisley and Connley Caves: Disentangling Drivers of Diversity in Pleistocene Extinction Survivors

佩斯利和康利洞穴的小型哺乳动物:解开更新世灭绝幸存者多样性的驱动因素

基本信息

  • 批准号:
    2228632
  • 负责人:
  • 金额:
    $ 91.15万
  • 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:
    2023-06-15 至 2026-05-31
  • 项目状态:
    未结题

项目摘要

The project will test how climate change and humans have altered small mammal communities over the last 17,000 years. Paleontological studies have greatly increased our understanding of the ecological impacts of climate change and the extinction of large-bodied mammals at the end of the last Ice Age. Little is known, however, about how climate change, human impacts, and the loss of large mammals have shaped the ecology of the smallest extinction survivors: mammals under 3 kilograms (e.g., squirrels, rats and mice). This is despite the important and diverse roles that small mammals play in ecosystems. This knowledge gap is not only a problem for paleontology; ecologists also don’t fully understand the direct and indirect ways that climate change and human impacts are changing the ecosystems in which we live today. Studying how the smallest mammals have responded to major ecological disruption will thus help us better predict how mammalian communities today are likely to shift in the future. This is important because ecosystems today are often changing in ways we cannot predict using climate change alone. In addition to testing how small mammal communities have changed over time, this project will develop a Virtual Field Trip that will educate participants on the Great Basin’s natural and cultural histories. This activity will provide training to undergraduate and graduate students and a postdoctoral researcher and engage elementary age students and teachers in rural Oregon schools.To meet this challenge, this research will use the paleontological and archaeological records of the Paisley and Connley Caves. The caves are in the northwestern Great Basin, a now-threatened ecoregion that was central to the peopling of the Western Hemisphere. Fossils will be used to estimate the diversity and function of small mammal communities from 17,000 years ago to today. Radiocarbon dating of these fossils, and surveys of modern small mammals, will help answer questions about how climate change and human presence have together shaped biodiversity in the past and the present. The research will also study how small mammal communities today differ from what they were like just before European contact. Thus, the research will highlight the importance of museum collections and the value of fossils for Modern conservation efforts.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.
该项目将测试气候变化和人类在过去17,000年中如何改变小型哺乳动物群落。古生物学研究极大地增加了我们对气候变化的生态影响和上一个冰河时代末期大型哺乳动物灭绝的理解。然而,人们对气候变化、人类影响和大型哺乳动物的消失如何塑造了最小灭绝幸存者的生态知之甚少:3公斤以下的哺乳动物(例如,松鼠、大鼠和小鼠)。尽管小型哺乳动物在生态系统中发挥着重要而多样的作用。这种知识差距不仅是古生物学的问题;生态学家也不完全了解气候变化和人类影响正在改变我们今天生活的生态系统的直接和间接方式。因此,研究最小的哺乳动物如何应对重大的生态破坏将有助于我们更好地预测今天的哺乳动物群落在未来可能如何变化。这一点很重要,因为今天的生态系统经常发生变化,我们无法仅用气候变化来预测。除了测试小型哺乳动物群落如何随着时间的推移而变化外,该项目还将开发一个虚拟实地考察,教育参与者了解大盆地的自然和文化历史。这项活动将为本科生和研究生以及一名博士后研究人员提供培训,并吸引俄勒冈州农村学校的小学年龄学生和教师参与。为了迎接这一挑战,这项研究将利用佩斯利和康利洞穴的古生物学和考古学记录。这些洞穴位于西北部的大盆地,这是一个现在受到威胁的生态区,是西半球人口的中心。化石将被用来估计从17,000年前到今天的小型哺乳动物群落的多样性和功能。这些化石的放射性碳年代测定以及对现代小型哺乳动物的调查将有助于回答有关气候变化和人类存在如何共同塑造过去和现在生物多样性的问题。这项研究还将研究今天的小型哺乳动物群落与欧洲接触之前的情况有何不同。因此,该研究将突出博物馆收藏的重要性和化石对现代保护工作的价值。该奖项反映了NSF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

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Rebecca Terry其他文献

Multimodal imaging of drug and excipients in rat lungs following an inhaled administration of controlled-release drug laden PLGA microparticles.
吸入载有控释药物的 PLGA 微粒后,对大鼠肺部的药物和赋形剂进行多模态成像。
  • DOI:
    10.1039/d0an02333g
  • 发表时间:
    2021
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Eve Robinson;Paul S Giffen;D. Hassall;Doug Ball;Heather Reid;D. Coe;Simon Teague;Rebecca Terry;Meredith Earl;J. Marchand;Brian Farrer;R. Havelund;I. Gilmore;P. Marshall
  • 通讯作者:
    P. Marshall
Lyons et al. reply
里昂等人的答复
  • DOI:
    10.1038/nature20097
  • 发表时间:
    2016-10-26
  • 期刊:
  • 影响因子:
    48.500
  • 作者:
    S. Kathleen Lyons;Joshua H. Miller;Kathryn L. Amatange;Anna K. Behrensmeyer;Antoine Bercovici;Jessica L. Blois;Matt Davis;William DiMichele;Andrew Du;Jussi T. Eronen;J. Tyler Faith;Gary R. Graves;Nathan Jud;Conrad Labandeira;Cindy V. Looy;Brian McGill;David Patterson;Silvia Pineda-Munoz;Richard Potts;Brett Riddle;Rebecca Terry;Anikó Tóth;Werner Ulrich;Amelia Villaseñor;Scott Wing;Heidi Anderson;John Anderson;Nicholas J. Gotelli
  • 通讯作者:
    Nicholas J. Gotelli
Memory sources of REM and NREM dreams.
REM 和 NREM 梦的记忆来源。
  • DOI:
  • 发表时间:
    1990
  • 期刊:
  • 影响因子:
    5.6
  • 作者:
    C. Cavallero;David Foulkes;Michael Hollifield;Rebecca Terry
  • 通讯作者:
    Rebecca Terry
Is technology acquisition enough to improve China's product quality? Evidence from firm-level panel data
技术引进足以提高中国的产品质量吗?

Rebecca Terry的其他文献

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

RUI/Collaborative Research: Mice-o-scapes: Using isotopes to understand the effect of climate and landscape change on small mammal ecology over the past 100 years
RUI/合作研究:Mice-o-scapes:利用同位素了解过去 100 年来气候和景观变化对小型哺乳动物生态的影响
  • 批准号:
    1638678
  • 财政年份:
    2017
  • 资助金额:
    $ 91.15万
  • 项目类别:
    Standard Grant
Collaborative Research: Linking biotic interactions and environmental change to understand range dynamics of montane mammals over the past century
合作研究:将生物相互作用和环境变化联系起来,以了解过去一个世纪山地哺乳动物的范围动态
  • 批准号:
    1457500
  • 财政年份:
    2015
  • 资助金额:
    $ 91.15万
  • 项目类别:
    Standard Grant

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  • 批准号:
    2744014
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    2026
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Predicting how the inducible defences of large mammals to human predation shape spatial food web dynamics
预测大型哺乳动物对人类捕食的诱导防御如何塑造空间食物网动态
  • 批准号:
    EP/Y03614X/1
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    2024
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    $ 91.15万
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Investigating the genomic mechanisms mediating daily timekeeping in the suprachiasmatic nucleus (SCN) in mammals
研究介导哺乳动物视交叉上核(SCN)日常计时的基因组机制
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    BB/Z514792/1
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    2024
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Collaborative Research: IntBIO: Micro level oxygen transport mechanisms in elite diving mammals: Capillary RBC to myofiber
合作研究:IntBIO:精英潜水哺乳动物的微水平氧运输机制:毛细血管红细胞到肌纤维
  • 批准号:
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Thick silk fibroin vascular graft: a promising tissue engineered scaffold material for abdominal vein grafts in middle-sized mammals
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    23H02968
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BRC-BIO: Exploring the genetic basis of adaptation through convergent dietary specialization in mammals
BRC-BIO:通过哺乳动物的趋同饮食专业化探索适应的遗传基础
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    2233124
  • 财政年份:
    2023
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Temporospatial Single-Cell Characterization of Angiogenesis and Myocardial Regeneration in Small and Large Mammals
小型和大型哺乳动物血管生成和心肌再生的时空单细胞表征
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Novel DNA methylation mechanism mediated by pericentromeric non-coding RNA in mammals
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Is motor neuron death occurring in the cervical spinal cord in the early stages of development a phenomenon associated with the formation of the cervical region common to birds and mammals?
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