Biodiversity patterns along environmental gradients

沿环境梯度的生物多样性模式

基本信息

  • 批准号:
    RGPIN-2014-05663
  • 负责人:
  • 金额:
    $ 2.48万
  • 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:
    2018
  • 资助国家:
    加拿大
  • 起止时间:
    2018-01-01 至 2019-12-31
  • 项目状态:
    已结题

项目摘要

Biodiversity patterns are commonly studied along environmental gradients to elucidate factors driving species assemblages and build predictions on how communities will adapt under anthropogenic disturbances. However, approaches centered on species diversity are limited by the fact that species taxonomy is relatively information-poor regarding the ecological mechanisms underlying observed patterns. The integration of functional traits into biodiversity studies should increase our ability to understand and predict species patterns, simply because species respond to ecological filters through biological attributes that define individual fitness. **Recent developments in comprehensive trait-databases have enabled the use of functional traits along extensive environmental gradients for understanding biological patterns. In that regard, functional diversity, representing the value and range of functional traits in a community, has been shown to vary non-linearly with species diversity. I believe that studying the relationship between species and functional diversity along natural gradients first, and then looking at how this relationship is modified under anthropogenic disturbances, could dramatically improve our capacity to understand factors governing communities and predict their fate in the long term. Under my current discovery grant, I use wetlands to 1) investigate the link between species and functional diversity along extensive natural gradients, 2) assess the response of both species and functional diversity to anthropogenic disturbances in different contexts, and 3) evaluate how restoration using late successional species favours the recovery of both species and functional diversity of understory plant communities.**I will use a vast vegetation database to study the latitudinal and minerotrophic (acidity) gradients in peatlands. I will investigate how species and functional diversity co-vary along these natural gradients and identify whether particular functional groups of species have a narrower distribution than others. In addition, I will study how anthropogenic disturbances modify the relationship between species and functional diversity by looking at 1) vegetation change in peatlands over time, in landscapes with different levels of anthropogenic development, as well as 2) vegetation changes in riparian forests when flooding regime is controlled by dams versus when a natural regime is maintained. Finally, I will investigate the resilience of the riparian forest understory after restoration by studying plant succession in riparian plantations of different ages, from 2 to 17 years, compared to reference natural riparian forests. **Traits are the vehicle on which environmental drivers act to control species distribution. By studying both species and functional trait diversity in natural, disturbed and restored environments, my research program will increase our capacity to understand community patterns along environmental gradients and help us predict the resilience of our ecosystems to disturbances. Global change may modify environmental filters at all scales, and studying patterns along extended latitudinal gradients should provide valuable insight into changes in vegetation that could be expected under shifting climate. In addition, increasing our knowledge of how communities respond to disturbances and recover after restoration is of great concern, as the world Strategic Plan for Biodiversity 2011-2020 sets as an objective the restoration of 15% of degraded ecosystems by 2020.
Biodiversity patterns are commonly studied along environmental gradients to elucidate factors driving species assemblages and build predictions on how communities will adapt under anthropogenic disturbances. However, approaches centered on species diversity are limited by the fact that species taxonomy is relatively information-poor regarding the ecological mechanisms underlying observed patterns. The integration of functional traits into biodiversity studies should increase our ability to understand and predict species patterns, simply because species respond to ecological filters through biological attributes that define individual fitness. **Recent developments in comprehensive trait-databases have enabled the use of functional traits along extensive environmental gradients for understanding biological patterns. In that regard, functional diversity, representing the value and range of functional traits in a community, has been shown to vary non-linearly with species diversity. I believe that studying the relationship between species and functional diversity along natural gradients first, and then looking at how this relationship is modified under anthropogenic disturbances, could dramatically improve our capacity to understand factors governing communities and predict their fate in the long term. Under my current discovery grant, I use wetlands to 1) investigate the link between species and functional diversity along extensive natural gradients, 2) assess the response of both species and functional diversity to anthropogenic disturbances in different contexts, and 3) evaluate how restoration using late successional species favours the recovery of both species and functional diversity of understory plant communities.**I will use a vast vegetation database to study the latitudinal and minerotrophic (acidity) gradients in peatlands. I will investigate how species and functional diversity co-vary along these natural gradients and identify whether particular functional groups of species have a narrower distribution than others. In addition, I will study how anthropogenic disturbances modify the relationship between species and functional diversity by looking at 1) vegetation change in peatlands over time, in landscapes with different levels of anthropogenic development, as well as 2) vegetation changes in riparian forests when flooding regime is controlled by dams versus when a natural regime is maintained. Finally, I will investigate the resilience of the riparian forest understory after restoration by studying plant succession in riparian plantations of different ages, from 2 to 17 years, compared to reference natural riparian forests. **Traits are the vehicle on which environmental drivers act to control species distribution. By studying both species and functional trait diversity in natural, disturbed and restored environments, my research program will increase our capacity to understand community patterns along environmental gradients and help us predict the resilience of our ecosystems to disturbances. Global change may modify environmental filters at all scales, and studying patterns along extended latitudinal gradients should provide valuable insight into changes in vegetation that could be expected under shifting climate. In addition, increasing our knowledge of how communities respond to disturbances and recover after restoration is of great concern, as the world Strategic Plan for Biodiversity 2011-2020 sets as an objective the restoration of 15% of degraded ecosystems by 2020.

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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Poulin, Monique其他文献

Peat, Water and Plant Tissue Chemistry Monitoring: A Seven-Year Case-Study in a Restored Peatland
  • DOI:
    10.1007/s13157-009-0015-0
  • 发表时间:
    2010-02-01
  • 期刊:
  • 影响因子:
    2
  • 作者:
    Andersen, Roxane;Rochefort, Line;Poulin, Monique
  • 通讯作者:
    Poulin, Monique
EX SITU GERMINATION AS A METHOD FOR SEED VIABILITY ASSESSMENT IN A PEATLAND ORCHID, PLATANTHERA BLEPHARIGLOTTIS
  • DOI:
    10.3732/ajb.1400441
  • 发表时间:
    2015-03-01
  • 期刊:
  • 影响因子:
    3
  • 作者:
    Lemay, Marc-Andre;De Vriendt, Laurent;Poulin, Monique
  • 通讯作者:
    Poulin, Monique
Strategies to restore floodplain vegetation after abandonment of human activities
  • DOI:
    10.1111/rec.12400
  • 发表时间:
    2017-01-01
  • 期刊:
  • 影响因子:
    3.2
  • 作者:
    Gonzalez, Eduardo;Masip, Adria;Poulin, Monique
  • 通讯作者:
    Poulin, Monique
Response of plant diversity to moss, Carex or Scirpus revegetation strategies of wet depressions in restored fens
  • DOI:
    10.1016/j.aquabot.2018.07.006
  • 发表时间:
    2018-12-01
  • 期刊:
  • 影响因子:
    1.8
  • 作者:
    Bourgeois, Berenger;Rochefort, Line;Poulin, Monique
  • 通讯作者:
    Poulin, Monique
Increase in non-native species richness leads to biotic homogenization in vacant lots of a highly urbanized landscape
  • DOI:
    10.1007/s11252-019-00863-9
  • 发表时间:
    2019-10-01
  • 期刊:
  • 影响因子:
    2.9
  • 作者:
    Blouin, Daniel;Pellerin, Stephanie;Poulin, Monique
  • 通讯作者:
    Poulin, Monique

Poulin, Monique的其他文献

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{{ truncateString('Poulin, Monique', 18)}}的其他基金

Biodiversity patterns in disturbed landscapes
受干扰景观中的生物多样性模式
  • 批准号:
    RGPIN-2019-04503
  • 财政年份:
    2022
  • 资助金额:
    $ 2.48万
  • 项目类别:
    Discovery Grants Program - Individual
Biodiversity patterns in disturbed landscapes
受干扰景观中的生物多样性模式
  • 批准号:
    RGPIN-2019-04503
  • 财政年份:
    2021
  • 资助金额:
    $ 2.48万
  • 项目类别:
    Discovery Grants Program - Individual
Biodiversity patterns in disturbed landscapes
受干扰景观中的生物多样性模式
  • 批准号:
    RGPIN-2019-04503
  • 财政年份:
    2020
  • 资助金额:
    $ 2.48万
  • 项目类别:
    Discovery Grants Program - Individual
Biodiversity patterns in disturbed landscapes
受干扰景观中的生物多样性模式
  • 批准号:
    RGPIN-2019-04503
  • 财政年份:
    2019
  • 资助金额:
    $ 2.48万
  • 项目类别:
    Discovery Grants Program - Individual
Développement d'un mélange de semences pour bandes riveraines adapté à l'agriculture en zone inondable
河道混合项目的发展适应不可替代地区的农业
  • 批准号:
    538489-2019
  • 财政年份:
    2019
  • 资助金额:
    $ 2.48万
  • 项目类别:
    Engage Grants Program
Optimiser les services écologiques des milieux humides grâce à la planification régionale de la restauration.
优化环境湿度服务和恢复区域规划。
  • 批准号:
    517961-2017
  • 财政年份:
    2017
  • 资助金额:
    $ 2.48万
  • 项目类别:
    Engage Grants Program
Biodiversity patterns along environmental gradients
沿环境梯度的生物多样性模式
  • 批准号:
    RGPIN-2014-05663
  • 财政年份:
    2017
  • 资助金额:
    $ 2.48万
  • 项目类别:
    Discovery Grants Program - Individual
Biodiversity patterns along environmental gradients
沿环境梯度的生物多样性模式
  • 批准号:
    RGPIN-2014-05663
  • 财政年份:
    2016
  • 资助金额:
    $ 2.48万
  • 项目类别:
    Discovery Grants Program - Individual
Planification systématique de la conservation des services écologiques des milieux humides
湿环境保护服务规划系统
  • 批准号:
    492354-2015
  • 财政年份:
    2016
  • 资助金额:
    $ 2.48万
  • 项目类别:
    Engage Grants Program
Biodiversity patterns along environmental gradients
沿环境梯度的生物多样性模式
  • 批准号:
    RGPIN-2014-05663
  • 财政年份:
    2015
  • 资助金额:
    $ 2.48万
  • 项目类别:
    Discovery Grants Program - Individual

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