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
批准号:
155612-2012
负责人:
Leavitt, Peter
金额:
$2.4万
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:
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
中文摘要
我们认为,到2050年,为养活30亿多人口而增加农业施肥,将使土壤中的磷(P)饱和,并创造条件,使随后流入的氮(N)调节发达地区的水质。 然而,与绿色革命期间不同的是,未来的氮肥将与尿素一起进行。 尿素在1960年之前很少使用,现在占全球氮肥的50%以上,在世界各地的湖泊中无处不在,对水生生态系统具有有害但尚未完全了解的影响。 鉴于约10亿人缺乏清洁水,我们寻求对这些全球变化对人类和淡水的影响进行预测性了解。
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
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批准号:CRC-2016-00218
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项目类别:Canada Research Chairs
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资助金额:$14.57万
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财政年份:2022
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负责人:Leavitt, Peter
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依托单位:
Landscape effects of nitrogen on aquatic ecosystems: Achieving a new paradigm for freshwater eutrophication
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批准号:RGPIN-2018-04590
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项目类别:Discovery Grants Program - Individual
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资助金额:$8.52万
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财政年份:2022
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负责人:Leavitt, Peter
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依托单位:
Canada Research Chair In Environmental Change And Society
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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:
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:
Canada Research Chair in Environmental Change and Society
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批准号:CRC-2016-00218
-
项目类别:Canada Research Chairs
-
资助金额:$14.57万
-
财政年份:2020
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负责人:Leavitt, Peter
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依托单位:
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:2020
-
负责人:Leavitt, Peter
-
依托单位:
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:2019
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负责人:Leavitt, Peter
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依托单位:
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:2019
-
负责人:Leavitt, Peter
-
依托单位:
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:2018
-
负责人:Leavitt, Peter
-
依托单位:
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:2018
-
负责人:Leavitt, Peter
-
依托单位:
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:2017
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负责人:Leavitt, Peter
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依托单位:
Landscape-scale effects of nitrogen on lake ecosystems: Accelerating a new paradigm for freshwater eutrophication.
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批准号:155612-2013
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项目类别:Discovery Grants Program - Individual
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资助金额:$4.37万
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财政年份:2017
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负责人:Leavitt, Peter
-
依托单位:
Landscape-scale effects of nitrogen on lake ecosystems: Accelerating a new paradigm for freshwater eutrophication.
-
批准号:155612-2013
-
项目类别:Discovery Grants Program - Individual
-
资助金额:$4.37万
-
财政年份:2016
-
负责人:Leavitt, Peter
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依托单位:
Landscape-scale effects of nitrogen on lake ecosystems: Accelerating a new paradigm for freshwater eutrophication.
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批准号:446018-2013
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项目类别:Discovery Grants Program - Accelerator Supplements
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资助金额:$2.91万
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财政年份:2016
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负责人:Leavitt, Peter
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依托单位:
Environmental Change and Society
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批准号:1000215605-2009
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项目类别:Canada Research Chairs
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资助金额:$14.57万
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财政年份:2016
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负责人:Leavitt, Peter
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依托单位:
Environmental Change and Society
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批准号:1215605-2009
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项目类别:Canada Research Chairs
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资助金额:$14.57万
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财政年份:2015
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负责人:Leavitt, Peter
-
依托单位:
Landscape-scale effects of nitrogen on lake ecosystems: Accelerating a new paradigm for freshwater eutrophication.
-
批准号:155612-2013
-
项目类别:Discovery Grants Program - Individual
-
资助金额:$4.37万
-
财政年份:2015
-
负责人:Leavitt, Peter
-
依托单位:
Landscape-scale effects of nitrogen on lake ecosystems: Accelerating a new paradigm for freshwater eutrophication.
-
批准号:446018-2013
-
项目类别:Discovery Grants Program - Accelerator Supplements
-
资助金额:$2.91万
-
财政年份:2015
-
负责人:Leavitt, Peter
-
依托单位:
Landscape-scale effects of nitrogen on lake ecosystems: Accelerating a new paradigm for freshwater eutrophication.
-
批准号:446018-2013
-
项目类别:Discovery Grants Program - Accelerator Supplements
-
资助金额:$2.91万
-
财政年份:2014
-
负责人:Leavitt, Peter
-
依托单位:
Landscape-scale effects of nitrogen on lake ecosystems: Accelerating a new paradigm for freshwater eutrophication.
-
批准号:155612-2013
-
项目类别:Discovery Grants Program - Individual
-
资助金额:$4.37万
-
财政年份:2014
-
负责人:Leavitt, Peter
-
依托单位:
海外基金