Seasonal characteristics of the nitrogen isotope biogeochemistry of ...

Results of our model showed that the factors controlling the seasonal variations in δ15N of PON are: (1) In spring, the highest f-ratio, the ...

Seasonal characteristics of the nitrogen isotope biogeochemistry of settling particles in the western subarctic Pacific: A model study · Abstract.

Seasonal characteristics of the nitrogen isotope biogeochemistry of ...

Of the two processes, the former had much larger impacts on d15N values of settling particles than the latter did. In our model, we investigated the sensitivity ...

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Seasonal characteristics of the nitrogen isotope biogeochemistry of ...

Seasonal characteristics of the nitrogen isotope biogeochemistry of settling particles in the western subarctic Pacific: A model study ... Publisher=Elsevier B.V..

Seasonally varying nitrogen isotope biogeochemistry of particulate ...

The lowest δ15N POM values (25.5‰) were observed in early winter, a consequence of isotopic fractionation by chemoautotrophic microbial NH4+ ...

Seasonal characteristics of the nitrogen isotope biogeochemistry of ...

article Weused mooredtime-series sediment traps tocollectsettling particlesatstation KNOT(44°N, 155°E; trapdepth 770 m) in the western subarctic Pacific ...

Seasonally Varying Nitrogen Isotope Biogeochemistry of Particulate ...

stratified lake. not inherent characteristics o to the isotopic composition magnitude of isotopic fraction the late stages of these bloom collected during.

Seasonally varying nitrogen isotope biogeochemistry of particulate ...

not inherent characteristics of these species but correspond to the isotopic composition of the DIN source and the magnitude of isotopic fraction for DIN ...

Nitrogen Isotopes of Sinking Particles Reveal the Seasonal ...

Here, we show the seasonal transition of the dominant nitrogen source for phytoplankton by using the nitrogen isotopic composition (δ 15N) of nitrate, ammonium, ...

Seasonality of nitrogen sources, cycling, and loading in a New ...

We carried out an annual study of N loading from the Pawcatuck River. We conducted weekly monitoring of nutrients and nitrate (NO -3 ) isotope ratios.

Seasonal variation in the stable carbon and nitrogen isotope ...

... isotope effect during nutrient uptake was not the predominant control on the isotopic character of seston in this bay. The exact processes contributing to ...

Seasonality of stable carbon and nitrogen isotopes within the ...

with a summer maximum in δ13C were evident in POM,. DOM, cladoceran, and bacteria from both sites of the eutrophic lake (Fig. 2). The characteristic seasonal ...

Seasonal trends of the stable nitrogen isotope ratio in particulate ...

The mean annual isotope fractionation factors for transformations from gaseous NH3 to NH4+ in SPM, from gaseous NO2 to gaseous HNO3, and from ...

Complexities of nitrogen isotope biogeochemistry in plant-soil systems

Nitrogen isotopic studies have the potential to shed light on the structure of ancient ecosystems, agropastoral regimes, and human-environment interactions.

Permafrost degradation and nitrogen cycling in Arctic rivers - BG

At the permafrost degradation site, nitrogen isotopes of all species were enriched in 15N (δ15N-NO-3=12 ‰, δ15N-DON = 7 ‰), and δ18O-NO-3 values ...

Complexities of Stable Carbon and Nitrogen Isotope ... - Frontiers

Relative to carbon source variation, a larger range of nitrogen sources as well as their more variable isotopic composition means that shifting nitrogen sources ...

Carbon Nitrogen Isotope Coupling of Soils and Seasonal Variation ...

Carbon and nitrogen are among the most important biogenic elements in terrestrial ecosystems, and carbon and nitrogen stable isotopes (δ13C ...

Seasonal variations in biochemical and stable isotope compositions ...

However, there is no study on spatiotemporal variations in carbon and nitrogen dynamics of POM that could explain the ecosystem structure and function of the ...

Global patterns of nitrate isotope composition in rivers and adjacent ...

The isotope composition of NO3− was correlated with water temperature revealing enhanced N-cascading in warmer climates. Seasonal analyses ...