https://biogeoscapes.net//wiki/api.php?action=feedcontributions&feedformat=atom&user=RaquelFlynn 2026-04-12T16:08:09Z User contributions MediaWiki 1.45.0 https://biogeoscapes.net//wiki/index.php?title=Nitrogen&diff=477 2026-02-03T13:48:19Z

<p>RaquelFlynn: /* Nitrogen Uptake */</p> <hr /> <div>===Nitrogen Uptake===<br /> *[[(15N-ρNO3-) uptake New Production]]<br /> *[[15N-ρNO3/chl a (N assimilation rate)]]<br /> *[[(15N-ρNH4+) uptake Regenerated Production]]<br /> *[[(15N-ρurea) uptake Regenerated Production]]<br /> <br /> ===Nitrogen Assimilation===<br /> *[[Eukaryotic Assimilatory nitrate reductase, NAD(P)H dependent, Nitrate -&gt; Nitrite, Nitrate (NR)]]<br /> <br /> ===Nitrification===<br /> *[[DIN inventory with inhibitors]]<br /> *[[Inhibitors with 14 or 13CO2 uptake]]<br /> *[[Nitrite oxidation (Nxr)]]<br /> *[[amoA gene or transcript abundance]]<br /> *[[Natural abundance of N and O isotopes in nitrate, nitrite and ammonium]]<br /> *[[15N tracers]]<br /> <br /> ===Denitrification===<br /> *[[acetylene-block proxy for denitrifcation enzyme activity]]<br /> *[[15N tracer-based method]]<br /> *[[N2:Ar ratio quantification]]<br /> *[[Mass Balance]]<br /> *[[Stoichiometric approach]]<br /> *[[Natural Abundances of 15N and 18O]]<br /> <br /> ===Dissimilatory Nitrate Reduction to Ammonium===<br /> *[[Isotopic measurements---15N-labeled ammonium (15NH4+) accumulation rate in 15NO3- added incubation]]<br /> <br /> ===Anaerobic Ammonium Oxidation===<br /> *[[15N tracers (15N labeled gases upon addition of 15NO3, 15NO2, or 15NH4)]]<br /> *[[Functional gene quantification (hzs, hzo)]]<br /> *[[FISH staining of anammox bacteria]]<br /> <br /> ===Bacterial Assimilation &amp; Remineralization===<br /> *[[13C- and 15N-labeled algal exudates (isotope tracing &amp; nanoSIMS)]]<br /> *[[Degradation of dissolved organic nitrogen: Leucine-aminopeptidase activity]]<br /> *[[Degradation of dissolved organic nitrogen: Endopeptidase activity ]]</div>

RaquelFlynn