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:
2009
资助国家:
加拿大
项目状态:
已结题
起止时间:
2009-01-01 至 2010-12-31
中文摘要
如果没有从大气和生物圈中调动氮(N)和磷(P)等基本营养物质,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”循环的加速已导致世界各地河流氮磷负荷增加,威胁沿海生态系统并危及人类健康。例如,像密西西比河这样的河流向海洋输出氮导致像在墨西哥湾北部观察到的那样发展大片低氧水,破坏渔业并改变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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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
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财政年份:2010
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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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资助金额:--
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依托单位:
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依托单位: