Anaerobic Ammonium Oxidation Measured in Sediments along the Thames Estuary, United Kingdom
- M. Trimmer, J. C. Nicholls, B. Deflandre
- Environmental ScienceApplied and Environmental Microbiology
- 1 November 2003
A shift in the significance of anaerobic ammonium oxidation to N2 formation relative to denitrification is observed, from 8% near the head of the estuary to less than 1% at the coast and positively correlated with sediment organic content.
Reconciling the temperature dependence of respiration across timescales and ecosystem types
The sensitivity of ecosystem respiration to seasonal changes in temperature is remarkably similar for diverse environments encompassing lakes, rivers, estuaries, the open ocean and forested and non-forested terrestrial ecosystems, with an average activation energy similar to that of the respiratory complex.
Production of nitrogen gas via anammox and denitrification in intact sediment cores along a continental shelf to slope transect in the North Atlantic
We measured the production of N2 gas from anammox and denitrification simultaneously in intact sediment cores at six sites along a transect of the continental shelf (50 m) and deeper slope (2000 m)…
Warming alters the metabolic balance of ecosystems
- G. Yvon‐Durocher, J. Jones, M. Trimmer, G. Woodward, J. Montoya
- Environmental SciencePhilosophical Transactions of the Royal Society B…
- 12 July 2010
The combination of whole-ecosystem manipulative experiments and ecological theory is suggested to be one of the most promising and fruitful research areas to predict the impacts of climate change on key ecosystem services.
Warming alters the size spectrum and shifts the distribution of biomass in freshwater ecosystems
Overall, warming shifted the distribution of phytoplankton size towards smaller individuals with rapid turnover and low standing biomass, resulting in a reorganization of the biomass structure of the food webs.
Temperature and the biogeography of algal stoichiometry
The congruence between field and experimental observations suggests that temperature-dependent physiological mechanisms operating at the subcellular level play an important role in determining the stoichiometry of algae in the world’s oceans.
Biomonitoring of Human Impacts in Freshwater Ecosystems: The Good, the Bad and the Ugly
Remineralization of particulate organic carbon in an ocean oxygen minimum zone
The sensitivity of zooplankton to ocean oxygen concentrations can have direct implications for atmospheric carbon sequestration and future expansion of OMZs is likely to increase biological ocean carbon storage and act as a negative feedback on climate change.
Widespread occurrence of the anammox reaction in estuarine sediments
Sediment for the anammox reaction at 40 sites from 9 estuaries during the summer of 2004 provides firm evidence that the anamox reaction is widespread in estuarine sediments.
A single channel for nitrate uptake, nitrite export and nitrite uptake by Escherichia coli NarU and a role for NirC in nitrite export and uptake.
It is proposed that NarU functions as a single channel for nitrate uptake and nitrite expulsion, either as a nitrate-nitrite antiporter, or more likely as a Nitrate/ H+ or nitrite/H+ channel.