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Soil data for a vegetation gradient located at Bonanza Creek Long Term Ecological Research Site, interior Alaska 科技报告
来源:US Geological Survey (USGS). 出版年: 2016
作者:  [null]
收藏  |  浏览/下载:11/0  |  提交时间:2019/04/05
Monitoring plant tissue nitrogen isotopes to assess nearshore inputs of nitrogen to Lake Crescent, Olympic National Park, Washington 科技报告
来源:US Geological Survey (USGS). 出版年: 2016
作者:  Cox, Stephen E. secox@usgs.gov;  Moran, Patrick W. pwmoran@usgs.gov;  Huffman, Raegan L. rhuffman@usgs.gov;  Fradkin, Steven C.
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Nitrogen loads from selected rivers in the Long Island Sound Basin, 2005???13, Connecticut and Massachusetts 科技报告
来源:US Geological Survey (USGS). 出版年: 2016
作者:  [null]
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Preliminary characterization of nitrogen and phosphorus in groundwater discharging to Lake Spokane, northeastern Washington, using stable nitrogen isotopes 科技报告
来源:US Geological Survey (USGS). 出版年: 2016
作者:  [null]
收藏  |  浏览/下载:2/0  |  提交时间:2019/04/05
Evaluation of the effects of sewering on nitrogen loads to the Niantic River, southeastern Connecticut, 2005-2011 科技报告
来源:US Geological Survey (USGS). 出版年: 2015
作者:  Mullaney, John R. jmullane@usgs.gov
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Nutrient attenuation in rivers and streams, Puget Sound Basin, Washington 科技报告
来源:US Geological Survey (USGS). 出版年: 2015
作者:  Sheibley, Rich W. sheibley@usgs.gov;  Konrad, Christopher P. cpkonrad@usgs.gov;  Black, Robert W. rwblack@usgs.gov
收藏  |  浏览/下载:4/0  |  提交时间:2019/04/05
Occurrence and trends of selected nutrients, other chemical constituents, diatoms, and cyanobacteria in bottom sediment, Lake Maxinkuckee, northern Indiana 科技报告
来源:US Geological Survey (USGS). 出版年: 2015
作者:  Juracek, Kyle E. kjuracek@usgs.gov
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Literature review of the potential effects of hydrogen peroxide on nitrogen oxidation efficiency of the biofilters of recirculating aquaculture systems (RAS) for freshwater finfish 科技报告
来源:US Geological Survey (USGS). 出版年: 2015
作者:  [null]
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Literature review of the potential effects of formalin on nitrogen oxidation efficiency of the biofilters of recirculating aquaculture systems (RAS) for freshwater finfish 科技报告
来源:US Geological Survey (USGS). 出版年: 2015
作者:  [null]
收藏  |  浏览/下载:0/0  |  提交时间:2019/04/05
Continuous monitoring of sediment and nutrients in the Illinois River at Florence, Illinois, 2012-13 科技报告
来源:US Geological Survey (USGS). 出版年: 2015
作者:  Terrio, Paul J. pjterrio@usgs.gov;  Straub, Timothy D. tdstraub@usgs.gov;  Domanski, Marian M. mdomanski@usgs.gov;  Siudyla, Nicholas A. nsiudyla@usgs.gov
收藏  |  浏览/下载:1/0  |  提交时间:2019/04/05