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Degradation and destabilization of lake ecosystems by organic and inorganic nitrogen: Advancing a new paradigm for eutrophication

Degradation and destabilization of lake ecosystems by organic and inorganic nitrogen: Advancing a new paradigm for eutrophication
有机和无机氮造成的湖泊生态系统的退化和不稳定：推进富营养化的新范式
批准号：
155612-2012
负责人：
Leavitt, Peter
金额：
$2.4万
依托单位：
University of Regina
依托单位国家：
加拿大
项目类别：
Discovery Grants Program - Individual
财政年份：
2012
资助国家：
加拿大
项目状态：
已结题
起止时间：
2012-01-01 至 2013-12-31
来源：
https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=507011
关键词：
Degradationdestabilizationlakeecosystemsorganic

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英文摘要
We believe that increases in agricultural fertilization needed to feed 3 billion more people by 2050 will saturate soils with phosphorus (P) and create conditions in which subsequent influx of nitrogen (N) regulates water quality in developed regions. However, unlike during the Green Revolution, future N fertilization will be carried out with urea. Rarely used prior to 1960, urea now accounts for >50% of global N fertilizer, is ubiquitous in lakes worldwide, and has detrimental but incompletely understood effects on aquatic ecosystems. Given that ~1 billion people lack clean water, we seek to develop a predictive understanding of the consequences of these global changes for humans and freshwaters.
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Canada Research Chair in Environmental Change and Society
  • 批准号：
    CRC-2016-00218
  • 项目类别：
    Canada Research Chairs
  • 资助金额：
    $14.57万
  • 财政年份：
    2022
  • 负责人：
    Leavitt, Peter
  • 依托单位：
    University of Regina
Landscape effects of nitrogen on aquatic ecosystems: Achieving a new paradigm for freshwater eutrophication
  • 批准号：
    RGPIN-2018-04590
  • 项目类别：
    Discovery Grants Program - Individual
  • 资助金额：
    $8.52万
  • 财政年份：
    2022
  • 负责人：
    Leavitt, Peter
  • 依托单位：
    University of Regina
Canada Research Chair In Environmental Change And Society
  • 批准号：
    CRC-2016-00218
  • 项目类别：
    Canada Research Chairs
  • 资助金额：
    $14.57万
  • 财政年份：
    2021
  • 负责人：
    Leavitt, Peter
  • 依托单位：
    University of Regina
Landscape effects of nitrogen on aquatic ecosystems: Achieving a new paradigm for freshwater eutrophication
  • 批准号：
    RGPIN-2018-04590
  • 项目类别：
    Discovery Grants Program - Individual
  • 资助金额：
    $8.52万
  • 财政年份：
    2021
  • 负责人：
    Leavitt, Peter
  • 依托单位：
    University of Regina
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