Nitrogen Cycle By Josh Erhardt. Overview – Cycle Diagrams.

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Presentation transcript:

Nitrogen Cycle By Josh Erhardt

Overview – Cycle Diagrams

Atmospheric Nitrogen + Atmospheric Fixation Combined with air we oxygen it makes up 80% of breathable air Combined with air we oxygen it makes up 80% of breathable air Nitrogen fixing organisms, lightning or combustion only way to remove from atmosphere Nitrogen fixing organisms, lightning or combustion only way to remove from atmosphere

Nitrification and Nitrogen Fixation Nitrification is when oxygen is used to turn ammonium ions to nitrite ions, and then to nitrate. Nitrification is when oxygen is used to turn ammonium ions to nitrite ions, and then to nitrate. Nitrogen Fixation is when atmospheric nitrogen is made into compounds like by natural means or other industrial ways Nitrogen Fixation is when atmospheric nitrogen is made into compounds like by natural means or other industrial ways Nitrobacter and nitrosomas bacteria cause nitrification Nitrobacter and nitrosomas bacteria cause nitrification

Biological Fixation Some bacteria and archaea can fix nitrogen Some bacteria and archaea can fix nitrogen Cyano bacteria fix nitrogen in water Cyano bacteria fix nitrogen in water Nitrogenase is the only discovered organic element able to break the triple bond of nitrogen molecule Nitrogenase is the only discovered organic element able to break the triple bond of nitrogen molecule Hydrogen is connected to molecules after broken down by nitrogen atoms Hydrogen is connected to molecules after broken down by nitrogen atoms

Denitrification Denitrification is when nitrates and nitrites are reduced to free nitrogen under anaerobic conditions in the soil. This causes nitrogen losses in ecosystems. Denitrification is when nitrates and nitrites are reduced to free nitrogen under anaerobic conditions in the soil. This causes nitrogen losses in ecosystems. Uses pseudomonas and clostridium bacteria Uses pseudomonas and clostridium bacteria

The End!