Nitrogen removal in marine environments : recent findings and future research challenges

  title={Nitrogen removal in marine environments : recent findings and future research challenges},
  author={Stefan Hulth and Robert Curwood Aller and Donald E Canfield and Tage Dalsgaard and Pia Engstr and Franck Gilbert and Kristina Sundb and Bo Thamdrup},
Respiratory reduction of nitrate (denitrification) is recognized as the most important process converting biologically available (fixed) nitrogen to N2. In current N cycle models, a major proportion of global marine denitrification (50–70%) is assumed to take place on the sea floor, particularly in organic rich continental margin sediments. Recent observations indicate that present conceptual views of denitrification and pathways of nitrate reduction and N2 formation are incomplete. Alternative… CONTINUE READING


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