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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03627naa a2200553 4500 | |
| 001 | oai:gup.ub.gu.se/239773 | |
| 003 | SwePub | |
| 008 | 240910s2016 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://gup.ub.gu.se/publication/2397732 URI |
| 024 | 7 | a https://doi.org/10.1016/j.jembe.2016.05.0032 DOI |
| 040 | a (SwePub)gu | |
| 041 | a eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Gilbert, F.4 aut |
| 245 | 1 0 | a Redox oscillation and benthic nitrogen mineralization within burrowed sediments: An experimental simulation at low frequency |
| 264 | 1 | b Elsevier BV,c 2016 |
| 520 | a Possible effects of sediment ventilation by benthic organisms on the nitrogen cycle were investigated using an experimental setup that mimicked stable or relatively low frequency oscillating redox conditions potentially found in bioturbated deposits. Three different conditions inside burrowed sediments were simulated using 2 mm thick sediment layers: 1) continuously oxic sediment exposed to oxygenated overlying bottom water (e.g., burrow walls, surface sediment), 2) continuously anoxic sediment out of reach from either O-2 or NO3- diffusion and 3) the lining/boundary of burrow structures or sediment pockets (e.g., excavated during feeding) subject to intermittent irrigation and redox fluctuations over several day timescales. Results demonstrated that intermittent redox fluctuations allowed sustained denitrification and episodic nitrification, whereas significant denitrification and both nitrification and denitrification were absent after similar to 5-10 days from continuously oxidized and anoxic zones respectively. Intermittent redox oscillations enhance metabolic diversity, magnify loss of dissolved inorganic N to solution, and permit sustained coupling between ammonification, nitrification, and denitrification despite lack of a stable stratified oxic-anoxic redox structure. Even relatively low frequency redox oscillations induce greater N loss compared to sediment that is continuously exposed to oxic and anoxic conditions. | |
| 650 | 7 | a NATURVETENSKAPx Geovetenskap och miljövetenskap0 (SwePub)1052 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Earth and Related Environmental Sciences0 (SwePub)1052 hsv//eng |
| 653 | a Bioturbation | |
| 653 | a Redox oscillation | |
| 653 | a Nitrogen cycle | |
| 653 | a Burrow ventilation | |
| 653 | a Experimental design | |
| 653 | a Simulation | |
| 653 | a mediterranean coastal sediments | |
| 653 | a fresh-water sediments | |
| 653 | a marine-sediments | |
| 653 | a in-situ | |
| 653 | a estuarine sediment | |
| 653 | a nitrate reduction | |
| 653 | a oxide | |
| 653 | a production | |
| 653 | a organic-matter | |
| 653 | a callianassa-subterranea | |
| 653 | a temporal | |
| 653 | a variability | |
| 653 | a Environmental Sciences & Ecology | |
| 653 | a Marine & Freshwater Biology | |
| 700 | 1 | a Hulth, Stefan,d 1965u Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology4 aut0 (Swepub:gu)xhulst |
| 700 | 1 | a Grossi, V.4 aut |
| 700 | 1 | a Aller, R. C.4 aut |
| 710 | 2 | a Göteborgs universitetb Institutionen för kemi och molekylärbiologi4 org |
| 773 | 0 | t Journal of Experimental Marine Biology and Ecologyd : Elsevier BVg 482, s. 75-84q 482<75-84x 0022-0981 |
| 856 | 4 | u http://manuscript.elsevier.com/S0022098116300831/pdf/S0022098116300831.pdf |
| 856 | 4 8 | u https://gup.ub.gu.se/publication/239773 |
| 856 | 4 8 | u https://doi.org/10.1016/j.jembe.2016.05.003 |
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