The effect of climate and land use change on nutrient cycling in large river basins
The effect of climate and land use change on nutrient cycling in large river basins
批准号:
355736-2008
负责人:
Donner, Simon
金额:
$1.17万
依托单位国家:
加拿大
项目类别:
Discovery Grants Program - Individual
财政年份:
2010
资助国家:
加拿大
项目状态:
已结题
起止时间:
2010-01-01 至 2011-12-31
中文摘要
如果没有从大气和生物圈中动员氮(N)和磷(P)等必需营养素,过去150年来农业和工业的扩张是不可能的。这些“生物地球化学”循环的加速导致全世界河流中氮和磷的含量增加,威胁着沿海生态系统,危及人类健康。例如,通过密西西比河等河流向海洋输出氮,导致大面积低氧水域的发展,就像在墨西哥湾北方观察到的那样,破坏了渔业,改变了沿海生态系统的基本功能。
英文摘要
The expansion of agriculture and industry over the past 150 years would not have been possible without the mobilization of essential nutrients like nitrogen (N) and phosphorous (P) from the atmosphere and the biosphere. The acceleration of these "biogeochemical" cycles has led to increased loading of nitrogen and phosphorus to rivers worldwide, threatening coastal ecosystems and endangering human health. For example, the export of nitrogen by rivers like the Mississippi to the ocean leads to the development of large areas of low-oxygen water, like that observed in the Northern Gulf of Mexico, damaging fisheries and altering the basic function of the coastal ecosystem.
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财政年份:2015
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依托单位:
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批准号:355736-2013
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项目类别:Discovery Grants Program - Individual
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资助金额:$1.97万
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财政年份:2013
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负责人:Donner, Simon
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依托单位:
The effect of climate and land use change on nutrient cycling in large river basins
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批准号:355736-2008
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项目类别:Discovery Grants Program - Individual
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资助金额:$1.17万
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财政年份:2012
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负责人:Donner, Simon
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依托单位:
The effect of climate and land use change on nutrient cycling in large river basins
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批准号:355736-2008
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项目类别:Discovery Grants Program - Individual
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资助金额:$1.17万
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财政年份:2011
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负责人:Donner, Simon
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依托单位:
The effect of climate and land use change on nutrient cycling in large river basins
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批准号:355736-2008
-
项目类别:Discovery Grants Program - Individual
-
资助金额:$1.17万
-
财政年份:2009
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负责人:Donner, Simon
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依托单位:
国内基金
海外基金
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批准号:19ZR1415200
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项目类别:省市级项目
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资助金额:--
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依托单位:
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批准号:41176101
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项目类别:面上项目
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依托单位: