The evolution of Earth's biogeochemical nitrogen cycle
Nitrogen is an essential nutrient for all life on Earth and it acts as a major control on
biological productivity in the modern ocean. Accurate reconstructions of the evolution of life …
biological productivity in the modern ocean. Accurate reconstructions of the evolution of life …
Origin and evolution of the atmospheres of early Venus, Earth and Mars
We review the origin and evolution of the atmospheres of Earth, Venus and Mars from the
time when their accreting bodies were released from the protoplanetary disk a few million …
time when their accreting bodies were released from the protoplanetary disk a few million …
Isotopic evidence for biological nitrogen fixation by molybdenum-nitrogenase from 3.2 Gyr
Nitrogen is an essential nutrient for all organisms that must have been available since the
origin of life. Abiotic processes including hydrothermal reduction, photochemical reactions …
origin of life. Abiotic processes including hydrothermal reduction, photochemical reactions …
The effect of biochar amendment on N-cycling genes in soils: A meta-analysis
Nitrogen (N) cycling by soil microbes can be estimated by quantifying the abundance of
microbial functional genes (MFG) involved in N-transformation processes. In agro …
microbial functional genes (MFG) involved in N-transformation processes. In agro …
Interpretation of the nitrogen isotopic composition of Precambrian sedimentary rocks: Assumptions and perspectives
Nitrogen isotope compositions in sedimentary rocks (d 15 N sed) are routinely used for
reconstructing Cenozoic N-biogeochemical cycling and are also being increasingly applied …
reconstructing Cenozoic N-biogeochemical cycling and are also being increasingly applied …
Nitrogen isotope fractionation by alternative nitrogenases and past ocean anoxia
Biological nitrogen fixation constitutes the main input of fixed nitrogen to Earth's ecosystems,
and its isotope effect is a key parameter in isotope-based interpretations of the N cycle. The …
and its isotope effect is a key parameter in isotope-based interpretations of the N cycle. The …
Life: the first two billion years
Microfossils, stromatolites, preserved lipids and biologically informative isotopic ratios
provide a substantial record of bacterial diversity and biogeochemical cycles in Proterozoic …
provide a substantial record of bacterial diversity and biogeochemical cycles in Proterozoic …
Isotopic constraints on lightning as a source of fixed nitrogen in Earth's early biosphere
Bioavailable nitrogen is thought to be a requirement for the origin and sustenance of life.
Before the onset of biological nitrogen fixation, abiotic pathways to fix atmospheric N2 must …
Before the onset of biological nitrogen fixation, abiotic pathways to fix atmospheric N2 must …
Nitrogen isotopes and mantle geodynamics: The emergence of life and the atmosphere–crust–mantle connection
P Cartigny, B Marty - Elements, 2013 - pubs.geoscienceworld.org
Nitrogen shows unique features among the volatile elements. To be cycled, atmospheric di-
nitrogen (N2) needs to be reduced, which is efficiently done by bacterial processes. Crustal …
nitrogen (N2) needs to be reduced, which is efficiently done by bacterial processes. Crustal …
Onset of the aerobic nitrogen cycle during the Great Oxidation Event
The rise of oxygen on the early Earth (about 2.4 billion years ago) caused a reorganization
of marine nutrient cycles,, including that of nitrogen, which is important for controlling global …
of marine nutrient cycles,, including that of nitrogen, which is important for controlling global …