Nitrification - physiology, Oceans and Seas, Papua New Guinea, Seawater - microbiology, Ammonia - metabolism, Rhodobacteraceae - classification, Carbon Dioxide - analysis, Archaea - classification, Microbial Consortia, Volcanic Eruptions, Flavobacteriaceae - classification, Geologic Sediments - microbiology, Archaea - metabolism, Nitrogen Cycle - physiology,...