Biology — Nitrification

{
  "elements":[
    {"data":{"id":"nh3","label":"Ammonia (NH3)"}},
    {"data":{"id":"nitrosomonas","label":"Nitrosomonas"}},
    {"data":{"id":"no2","label":"Nitrite (NO2-)"}},
    {"data":{"id":"nitrobacter","label":"Nitrobacter"}},
    {"data":{"id":"no3","label":"Nitrate (NO3-)"}},
    {"data":{"id":"plants","label":"Plant uptake"}},
    {"data":{"source":"nh3","target":"nitrosomonas"}},
    {"data":{"source":"nitrosomonas","target":"no2"}},
    {"data":{"source":"no2","target":"nitrobacter"}},
    {"data":{"source":"nitrobacter","target":"no3"}},
    {"data":{"source":"no3","target":"plants"}}
  ],
  "layout":{"name":"breadthfirst","directed":true}
}