Biogeochemistry 1 Catchments 1 DOM Denitrification 1 Dissolution 1 Dissolved organic matters 1 Dissolved oxygen 1 ER 1 Ecosystem respiration 1 Ecosystems 1 GPP 1 Gross primary production 1 Metabolism 1 Nitrate isotopes 1 Organic compounds 1 Primary productivity 1 Respiration 1 Simple++ 1 Stream metabolism 1 Time series 1 Times series 1 biogeochemical cycle 1 catchment 1 denitrification 1 detection method 1 dissolved organic matter 1 dissolved oxygen 1 headwater 1 metabolism 1 net primary production 1