Scaling from organismal traits to populations and species range limits

从生物特征扩展到种群和物种范​​围限制

基本信息

  • 批准号:
    RGPIN-2022-04954
  • 负责人:
  • 金额:
    $ 3.42万
  • 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:
    2022
  • 资助国家:
    加拿大
  • 起止时间:
    2022-01-01 至 2023-12-31
  • 项目状态:
    已结题

项目摘要

Travel to any location around the world, and you are bound to encounter new species, some familiar and some unlike anything you have seen before. Alternatively, open any field guide-to the birds, reptiles, trees, mushrooms or any other group-and you will find species' range maps, showing where each species may, or may not, be found. Both cases reveal one of ecology's most fundamental truths: all species have geographical limits and no species (not even our own) can persist everywhere, in all environments. But why not? What stops species from spreading outwards, to all environments? In other words, what sets limits on species' geographical distributions? Answering this question has never been more important; in response to rapid environmental change, many species' ranges are changing, either expanding or contracting. These range shifts can have considerable conservation, economic, and health implications through effects on at-risk species, the spread of invasives, and even zoonotic disease risk. Ultimately, range limits arise from interactions between individual organisms and their local abiotic and biotic environments; understanding how these organism-scale interactions generate range limits may hold the key to predicting their broad-scale dynamics. This project will bring together laboratory experiments, field studies, remote-sensing and big-data modelling to 1) test how climate and land use change are altering the fine-scale environments experienced by organisms, 2) test how species' physiological tolerances, trophic interactions and dispersal dynamics scale to constrain population size and species range margins, and 3) establish a long-term monitoring program to predict range dynamics in changing environments. Answering these questions will shed new light on the mechanisms underlying species' range limits and improve our ability to predict species' geographical fates as rapid environmental change reshuffles global biodiversity.
到世界上任何一个地方旅行,你一定会遇到新的物种,有些是你以前见过的,有些是你以前见过的。或者,打开任何一本野外指南--鸟类、爬行动物、树木、蘑菇或任何其他类群--你会发现物种的分布图,上面显示了每个物种可能存在或不存在的地方。这两种情况都揭示了生态学最基本的真理之一:所有物种都有地理界限,没有任何物种(甚至包括我们自己的物种)可以在所有环境中无处不在。但为什么不呢?是什么阻止了物种向外扩散到所有环境?换句话说,是什么限制了物种的地理分布?探讨这个问题从未如此重要;为了应对快速的环境变化,许多物种的活动范围正在发生变化,要么扩大,要么缩小。这些范围的变化可以通过对危险物种的影响,入侵物种的传播,甚至人畜共患疾病的风险,产生相当大的保护,经济和健康影响。最终,范围限制产生于个体生物与其当地的非生物和生物环境之间的相互作用;了解这些生物体规模的相互作用如何产生范围限制可能是预测其大规模动态的关键。该项目将汇集实验室实验,实地研究,遥感和大数据建模,以1)测试气候和土地利用变化如何改变生物体所经历的精细环境,2)测试物种的生理耐受性,营养相互作用和扩散动力学如何限制种群规模和物种范围边缘,3)建立长期监测计划,以预测变化环境中的牧场动态。研究这些问题将为物种分布范围限制的机制提供新的线索,并提高我们预测物种地理命运的能力,因为快速的环境变化将重新洗牌全球生物多样性。

项目成果

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Algar, Adam其他文献

Algar, Adam的其他文献

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{{ truncateString('Algar, Adam', 18)}}的其他基金

environmental and evolutionary context and the processe structuring local and regional communities
环境和进化背景以及构建当地和区域社区的过程
  • 批准号:
    373954-2009
  • 财政年份:
    2010
  • 资助金额:
    $ 3.42万
  • 项目类别:
    Postdoctoral Fellowships
environmental and evolutionary context and the processe structuring local and regional communities
环境和进化背景以及构建当地和区域社区的过程
  • 批准号:
    373954-2009
  • 财政年份:
    2009
  • 资助金额:
    $ 3.42万
  • 项目类别:
    Postdoctoral Fellowships
Mechanisms driving broad-scale climate diversity relationships
推动大范围气候多样性关系的机制
  • 批准号:
    334651-2006
  • 财政年份:
    2007
  • 资助金额:
    $ 3.42万
  • 项目类别:
    Alexander Graham Bell Canada Graduate Scholarships - Doctoral
Mechanisms driving broad-scale climate diversity relationships
推动大范围气候多样性关系的机制
  • 批准号:
    334651-2006
  • 财政年份:
    2006
  • 资助金额:
    $ 3.42万
  • 项目类别:
    Alexander Graham Bell Canada Graduate Scholarships - Doctoral
Community age and the role of niche and neutral assembly processes: are there hypotheses competing?
社区年龄以及利基和中立组装过程的作用:是否存在相互竞争的假设?
  • 批准号:
    303162-2005
  • 财政年份:
    2005
  • 资助金额:
    $ 3.42万
  • 项目类别:
    Postgraduate Scholarships - Master's
Community age and the role of niche and neutral assembly processes: are there hypotheses competing?
社区年龄以及利基和中立组装过程的作用:是否存在相互竞争的假设?
  • 批准号:
    303162-2004
  • 财政年份:
    2004
  • 资助金额:
    $ 3.42万
  • 项目类别:
    Alexander Graham Bell Canada Graduate Scholarships - Master's

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设备:MRI Track 2 购买 3D X 射线显微镜,用于先进的基于标本的有机体研究
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