Nitrogen fixation coupled to sulfate reduction in sediments
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منابع مشابه
1 Nitrogen fixation in sediments along a depth transect through the Peruvian oxygen 1 minimum zone
12 The potential coupling of nitrogen (N2) fixation and sulfate reduction (SR) was explored in 13 sediments of the Peruvian oxygen minimum zone (OMZ). Sediment samples were retrieved 14 by a multiple corer at six stations along a depth transect (70 1025 m water depth) at 12°S, 15 covering anoxic and hypoxic bottom water conditions. Benthic N2 fixation, determined by 16 the acetylene reduction a...
متن کاملNitrogen fixation in sediments along a depth transect through the Peruvian oxygen 1 minimum zone
12 Benthic nitrogen (N2) fixation and sulfate reduction (SR) were investigated in the Peruvian 13 oxygen minimum zone (OMZ). Sediment samples, were retrieved by a multiple corer at six 14 stations (70 1025 m water depth) along a depth transect at 12°S, covering anoxic and 15 hypoxic bottom water conditions. Benthic N2 fixation was detected at all sites using the 16 acetylene reduction assay, wi...
متن کاملNitrogen fixation in sediments along a depth transect through the Peruvian oxygen minimum zone
The potential coupling of nitrogen (N2) fixation and sulfate reduction (SR) was explored in sediments of the Peruvian oxygen minimum zone (OMZ). Sediment samples were retrieved by a multiple corer at six stations along a depth transect (70–1025 m water depth) at 12 S, covering anoxic and hypoxic bottom water conditions. Benthic N2 fixation, determined by the acetylene reduction assay, was detec...
متن کاملInteractive comment on “Occurrence of benthic microbial nitrogen fixation coupled to sulfate reduction in the seasonally hypoxic Eckernförde Bay, Baltic Sea” by V. J. Bertics et al
The Bertics et al. manuscript addresses the potential simultaneous occurrence of sulfate reduction and N fixation in anaerobic core horizons from the Baltic Sea. This work adds new data to the observations that sulfate-reducing bacteria fix nitrogen. Overall, the technical approach is sound, the conclusions regarding N fixation sound, and the paper is well written. I believe the work to be time...
متن کاملDynamic nature of the turnover of organic carbon, nitrogen and sulphur in the sediments of a Jamaican mangrove forest
Rates of oxygen uptake, sulphate reduction, carbon dioxide production, ammonium turnover, nitrogen fixation and denitrification were measured in sediments in a transect across a mangrove swamp in Jamaica. Carbon and nitrogen mineralisation increased as the transect entered the mangrove, indicating a greater availability of organic matter, probably by root excretion. Time course measurements of ...
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تاریخ انتشار 2012