Nitrogen Cycling
Nitrogen deposition and its contribution to nitrogen cycling and associated soil processes
... N cycling processes and pools using "& N pool dilution techniques show a large nitrate pool and enhanced rates of nitrification relative to ...: Nitrogen cycling, atmospheric deposition, ...
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Microbial nitrogen cycling on the Greenland Ice Sheet
... Microbial nitrogen cycling will likely be vital in sup- porting the activity and growth of microorganisms on the GrIS; after carbon, the greatest nutrient on a cellular mass basis is nitrogen ...
12
Members of the Candidate Phyla Radiation are functionally differentiated by carbon- and nitrogen-cycling capabilities
... The Candidate Phyla Radiation (CPR) represents a re- cently discovered portion of the tree of life that spans a large phylogenetic space that until a few years ago was known only from marker gene studies [2, 3]. As the ...
14
Agricultural management and plant selection interactively affect rhizosphere microbial community structure and nitrogen cycling
... ous nitrogen-cycling microorganisms [7, 28–30], while synthetic fertilizers mainly increase the abundance of Acidobacteria [1] and can decrease the abundance of ammonia-oxidizing archaea ...N- ...
18
Trimethylamine and trimethylamine N oxide are supplementary energy sources for a marine heterotrophic bacterium : implications for marine carbon and nitrogen cycling
... Lidbury, Ian, Murrell, J. C. (J. Colin) and Chen, Yin. (2014) Trimethylamine and trimethylamine N-oxide are supplementary energy sources for a marine heterotrophic bacterium : implications for marine carbon and ...
31
Nitrogen cycling in Sandusky Bay, Lake Erie: oscillations between strong and weak export and implications for harmful algal blooms
... Sandusky Bay displays dynamic swings in hydraulic and nu- trient regimes yet consistently develops seasonal N limitation and blooms of Planktothrix in the late summer. An examina- tion of the N budget in this system will ...
17
Spatial and temporal trends in Precambrian nitrogen cycling: a Mesoproterozoic offshore nitrate minimum
... of nitrogen-fixing cyanobacteria (Section ...oxidized nitrogen species (Blumenberg et ...of nitrogen speciation trends varied between different basins; nevertheless all the currently available ...
59
The effect of urea-ammonium-nitrate fertilizer amended with urease and nitrification inhibitors on nitrogen cycling in highly organic agricultural soil
... in order to estimate total fertilizer-N application. Ammonium sulfate, urea, ammonium nitrate, ammonia, calcium ammonium nitrate, and also mixtures of various N forms like urea, ammonium, and nitrate (UAN) are common ...
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The influence of redox dynamics on nitrogen cycling and nitrous oxide emissions from soils
... and microbial growth and non linearly depend on soil moisture, microbial activity being inhibited both at low water potential and in conditions close to saturation (see Figure6.1) as described in the previous section. ...
199
Soil Microbial Properties and Nitrogen Cycling in Forage Production Systems Receiving Swine Lagoon Effluent
... nutrient cycling, a better assessment of the relationship between activities of soil enzymes and SLE application may facilitate informed management ...P cycling were evaluated as influenced by 3 consecutive ...
168
Addition of activated switchgrass biochar to an aridic subsoil increases microbial nitrogen cycling gene abundances
... It has been demonstrated that soil amended with biochar, designed specifically for use as a soil con- ditioner, results in changes to the microbial populations that reside therein. These changes have been reflected in ...
8
Interaction between organic resource quality, aggregate turnover, carbon and nitrogen cycling in the Central Highlands of kenya
... 11 : Effect of resource quality and combining organic resources and mineral fertilizer on macro aggregate (250-2000 urn) and micro aggregate (53-250 urn) intra particulate organic matter[r] ...
91
Nitrogen cycling on intensively managed boreal dairy pastures
... NCYCLE was developed for estimating N leaching losses and denitrification on cut grass and pastures in UK. Later, it has been updated and developed for dif- ferent purposes to estimate N cycling on varying ...
73
Carbon and nitrogen cycling on intertidal mudflats in a temperate Australian estuary
... Abstract The sources of organic matter, benthic metabolism light/dark 02 and TCO2 fluxes, benthic dissolved nitrogen fluxes, denitrification, nitrogen fixation and sediment NH4+ producti[r] ...
232
Nitrogen cycling in gorse-dominated ecosystems in New Zealand
... widespread nitrogen (N) fixing species and is also one of the most invasive weeds of New ...N cycling in gorse ...the cycling of large amounts of N fixed by gorse entering waterways and water ...N ...
8
Sponges impacts on coral reef nitrogen cycling, Key Largo, Florida
... maintain high primary productivity rates despite low nutrient concentrations. However, elevated nutrient concentrations are thought to have deleterious effects on some reef organisms. Therefore, the potential for sponges ...
218
Fire Effects on Nitrogen Cycling in Native and Restored Calcareous Wetlands
... Fire is an important natural process and management tool in the Florida Everglades, but few studies have examined its effects on nutrients; nitrogen (N) in particular has received little attention across the whole ...
15
Modeling rhizosphere carbon and nitrogen cycling in Eucalyptus plantation soil
... organic nitrogen (DON) compartments can be absorbed by microbes, so that the product of soil protection capacity (Kpr) and C and N in solution (DOC and DON) are protected by soil from mi- crobial attack returning ...
12
Pervasive aerobic nitrogen cycling in the surface ocean across the Paleoproterozoic Era
... Most units contain carbon isotope ratios that are depleted below the normal range for marine phytoplankton -26‰ ± 7‰; Schidlowski, 2001, perhaps reflecting heterotrophic degradation of s[r] ...
39
Dynamics of nitrogen and carbon cycling associated with greenhouse gas emissions in the salt affected soils
... soil nitrogen and carbon dynamics associated with soil-induced gas emissions under salinity are not well ...and nitrogen cycling associated with greenhouse gas emissions, plant growth and fertilizer ...
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