Global nitrogen cycle: critical enzymes, organisms, and processes for nitrogen budgets and dynamics

X Zhang, BB Ward, DM Sigman - Chemical reviews, 2020 - ACS Publications
Nitrogen (N) is used in many of life's fundamental biomolecules, and it is also a participant in
environmental redox chemistry. Biogeochemical processes control the amount and form of N …

Nitrous oxide from streams and rivers: A review of primary biogeochemical pathways and environmental variables

AM Quick, WJ Reeder, TB Farrell, D Tonina… - Earth-science …, 2019 - Elsevier
Atmospheric concentrations of the powerful greenhouse gas nitrous oxide (N 2 O) have
increased dramatically over the last 100 years, and part of these emissions come from …

Effects of Sulfamethazine on Denitrification and the Associated N2O Release in Estuarine and Coastal Sediments

L Hou, G Yin, M Liu, J Zhou, Y Zheng… - … science & technology, 2015 - ACS Publications
Denitrification is an important pathway of nitrogen removal and nitrous oxide (N2O)
production in estuarine and coastal ecosystems, and plays a significant role in counteracting …

Microbial nitrogen cycling in estuaries: from genes to ecosystem processes

J Damashek, CA Francis - Estuaries and Coasts, 2018 - Springer
Nitrogen (N) is one of the primary nutrients required to build biomass and is therefore in high
demand in aquatic ecosystems. Estuaries, however, are frequently inundated with high …

Unraveling influences of nitrogen cycling on arsenic enrichment in groundwater from the Hetao Basin using geochemical and multi-isotopic approaches

Z Gao, H Weng, H Guo - Journal of Hydrology, 2021 - Elsevier
Sources and co-cycling of nitrogen species in arsenic-prone groundwater remain poorly
understood, which could affect arsenic behavior. Here, geochemical and multi-isotopic …

Potential contribution of anammox to nitrogen loss from paddy soils in Southern China

XR Yang, H Li, SA Nie, JQ Su, BS Weng… - Applied and …, 2015 - Am Soc Microbiol
The anaerobic oxidation of ammonium (anammox) process has been observed in diverse
terrestrial ecosystems, while the contribution of anammox to N2 production in paddy soils is …

Role of anaerobic ammonium oxidation (anammox) in nitrogen removal from a freshwater aquifer

RL Smith, JK Bohlke, B Song… - Environmental science & …, 2015 - ACS Publications
Anaerobic ammonium oxidation (anammox) couples the oxidation of ammonium with the
reduction of nitrite, producing N2. The presence and activity of anammox bacteria in …

Organic matter decomposition sustains sedimentary nitrogen loss in the Pearl River Estuary, China

E Tan, W Zou, X Jiang, X Wan, TC Hsu, Z Zheng… - Science of the Total …, 2019 - Elsevier
Abstract The Pearl River Estuary (PRE) has long received tremendous amounts of
anthropogenic nitrogen, and is facing severe environmental problems. Denitrification and …

How nitrogen is lost

BB Ward - Science, 2013 - science.org
As in the back garden, productivity in the ocean is often limited by the availability of nutrients,
principally nitrogen (N) and phosphorus (P). On a global scale, the rates of nitrogen fixation …

Nitrogen reduction pathways in estuarine sediments: influences of organic carbon and sulfide

P Plummer, C Tobias, D Cady - Journal of Geophysical …, 2015 - Wiley Online Library
Potential rates of sediment denitrification, anaerobic ammonium oxidation (anammox), and
dissimilatory nitrate reduction to ammonium (DNRA) were mapped across the entire Niantic …