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Nitrogen Cycle

Nitrogen Cycle. By Nathan McClurg and Joey Andrada. Key Terms. Denitrification removal of nitrogen or nitrogen compounds Conversion of nitrogen to gaseous form. Precipitation. Process of rain, sleet, snow, hail, etc. . Ammonium. Form of nitrogen contained in fertilizer

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Nitrogen Cycle

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  1. Nitrogen Cycle By Nathan McClurg and Joey Andrada

  2. Key Terms • Denitrification • removal of nitrogen or nitrogen compounds • Conversion of nitrogen to gaseous form

  3. Precipitation • Process of rain, sleet, snow, hail, etc.

  4. Ammonium • Form of nitrogen contained in fertilizer • generated in soil by breakdown of organic matter • NH4

  5. Mineralization • (Organic) Dead plant, • animal material • Organic compounds to inorganic compounds • (Inorganic) nitrates, carbon dioxide

  6. Nitrates • Found in plant nutrient and fertilizer • Animal feed, manures, and sewage

  7. Nitrites • NO2 • Converted from free ammonia • Harmful at any level • Converts into nitrates

  8. Amount of Nitrogen • 78.08% in atmosphere • 79% bound nitrogen in lithosphere • Mass of nitrogen 20,000,000,000,000 tons in hydrosphere • 80% in biosphere

  9. Ecological Impact • About 90% of the soil • Denitrification decreases fertility of plants • High concentrates of nitrates are toxic • Without Denitrification life would not be possible except near large bodies of water

  10. Biological Impact • Health effects of nitrogen • Environmental effects of nitrogen

  11. Bibliography • http://www.aquariacentral.com/articles/glossary.shtml • http://pnwmg.org/mgglossarya.html • www.hubbardbrook.org/6-12_education/Glossary/Glossary.htm • www.laurentianvalleytwsp.on.ca/DomesticWaterWellDefine.html • www.aquariacentral.com/articles/glossary.shtml • www.biologie.uni-hamburg.de/b-online/e54/54d.htm • http://www.lenntech.com/elements-and-water/nitrogen-and-water.htm

  12. Hyperlinks to Images • http://www.gettyimages.com/Creative/Frontdoor/NationalGeographicRM?esource=googUSA_Images_Categories&country=USA&kw=usa+nature_picture • http://images.google.com/imgres?imgurl=http://www.windows.ucar.edu/earth/climate/images/nitrogencycle.jpg&imgrefurl=http://www.ucar.edu/news/backgrounders/nitrogen.shtml&h=718&w=720&sz=186&hl=en&start=7&um=1&usg=__aDebNgM_WXcI0zJSF0Z7mXAz-iw=&tbnid=SoJ4GhLez3nuPM:&tbnh=140&tbnw=140&prev=/images%3Fq%3DNitrogen%2BCycle%26um%3D1%26hl%3Den%26rls%3Dcom.microsoft:en-US%26sa%3DG • http://filebox.vt.edu/users/chagedor/biol_4684/Cycles/Denit.html • http://science.howstuffworks.com/acid-rain.htm • http://jedidiah.stuff.gen.nz/wp/?p=15 • http://www.esc.ethz.ch/research/efficientconversion/cotwo/co2projects • http://www.advancedaquarist.com/2007/8/tips • http://eliastobias.net/?cat=1 • http://www.desktopscenes.com/Autumn%20Scenes%20from%20Southern%20Vermont%20(2003)/slides/Rocky%20Forest%20Path.html • http://www.citivestmortgage.com/linkstoResources.html

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