Marine sediment
Microbial Diversity in Sulfate-Reducing Marine Sediment Enrichment Cultures Associated with Anaerobic Biotransformation of Coastal Stockpiled Phosphogypsum (Sfax, Tunisia)
... FIGURE 6 | Maximum-likehood (ML) tree based on 16S rRNA gene sequences showing the phylogenetic position of Firmicutes from marine sediment (as inoculum) using different electron donors and sulfate sources ...
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Effect of 2,4-dinitrotoluene on the anaerobic bacterial community in marine sediment
... as Clostridium acetobutylicum, were also reported to reduce 2,4-DNT and 2,6-DNT to their amino derivatives (Hughes et al. 1999). Recently, we found that the mixed indigenous micro- organisms can degrade 2,4-DNT and ...
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Biodegradation of the nitramine explosives hexahydro-1,3-5-trinitro-1,3,5-triazine and octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine in cold marine sediment under anaerobic and oligotrophic conditions
... in marine sediment from a dumping site, located at the Emerald Basin (215 m deep, 50 nautical miles from Halifax Harbor, Nova Scotia, Can- ada), where warships unloaded live ordnance during war- ...the ...
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Impact of cigarette butts on microbial diversity and dissolved trace metals in coastal marine sediment
... the marine coast, threatening 22 the quality of the seawater and marine ...laboratory sediment experiments, compared to control sediment incubations without ...in marine sediment ...
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On-line determination of silver in sea-water and marine sediment by inductively coupled plasma mass spectrometry
... Received 16th October 2001, Accepted 10th December 2001 First published as an Advance Article on the web 3rd January 2002 An on-line flow injection method for the direct determination of silver in sea-water using isotope ...
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The earthquake sedimentary record in marine sediment from cores in the western part of the Marmara Sea, Turkey
... The earthquake sedimentary record in marine sediment from cores in the western part of the Marmara Sea, Turkey \author{L.Drab, A.Hubert-Ferrari, S.Schmidt, P.Martinez} The North Anatolian Fault (NAF) is a ...
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Discovery of a large 2.4 Ma Plinian eruption of Basse-Terre, Guadeloupe, from the marine sediment record
... ERUPTION RECONSTRUCTION It is difficult to unequivocally determine whether more than one eruption was responsible for deposition of T 2.36 . Hemipelagic sedimenta- tion rates of ~2.8 cm k.y. -1 make sub-centennial gaps ...
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Limited influence of marine sediment lyophilization on prokaryotic community structure assessed via amplicon sequencing: an example from environmentally contrasted sediment layers in Toulon harbor (France)
... As demonstrated by Fig. 6 , the large majority of community structure variation was recorded between the surface layer and the other two samples, their separation being evident on the first axis of the PCoA representing ...
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Biodegradation of hexahydro-1,3,5-trinitro-1,3,5-triazine by novel fungi isolated from unexploded ordnance (UXO) contaminated marine sediment
... incubating sediment (10 g) in marine fungal medium (100 ml) in 500 ml Erlenmeyer flask on a rotary shaker (80 rpm) at room temperature for 7 ...on marine fungal agar plates followed by incu- bation ...
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Stabilization of contaminated marine sediment by addition of bauxite residues : evaluation of potential mobility of trace elements
... 54 regarded as one of the major contributor in the generation of solid by-products. By- products produced during extraction of metals are of no or little economic value depending upon their composition. Solid ...
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Negligible microbial heterotrophic quantitative contribution onto trace metals remobilization during marine sediment resuspension - insights from a Mediterranean urbanized bay
... constant depends on temperature and pressure as well as sediment / seawater ratio, an increase in solubilization of 202 the metals at high temperatures may have introduce some equilibrium changes. Thus, to study ...
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Trophic Ecology of Coastal Soft Botoms: A Dive into the Stew of Marine Sediment
... bottom SPOM available for benthic primary consumers mainly consisted of marine phytoplankton detritus. Isotope fractionation Stable isotope analysis has proved to be a very effec- tive method for tracking energy ...
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Reconstructing last glacial changes in Atlantic meridional overturning rate using marine sediment (231Pa/230Th)
... Both these variations are interpreted as a decrease in northern tropics precipitation, related to a southward shift of the Inter Tropical Convergence Zone (ITCZ). Indeed, at the same time, the southern tropics ...
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Approaches to evaluate spatial and temporal variability of deep marine sediment characteristics under the impact of dense water formation events
... Statistical analyses Permanova Both univariate and multivariate nonparametric permutational ANOVAs (PERMANOVA) based on Bray-Curtis dissimilarity (Anderson, 2001; Anderson & Braak, 2003; Anderson & Robinson, ...
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Radiocarbon Dating of Small-sized Foraminifer Samples: Insights into Marine sediment Mixing
... acid, or possibly to coccoliths remaining at the surface of the foraminifera shells (as they can be present on the analyzed specimens; see Figure S3A [c, d, e, f]). Overall, this material has been exposed to the modern ...
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Modelling Marine Sediment Biogeochemistry: Current Knowledge Gaps, Challenges, and Some Methodological Advice for Advancement
... The benthic environment is a crucial component of marine systems in the provision of ecosystem services, sustaining biodiversity and in climate regulation, and therefore important to human society. With the ...
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La télédétection spatiale et SIG marine pour la conception et la mise à jour de la carte marine électronique de navigation
... partie marine , et l’intégration des résultats obtenues sous forme des couches vectorielles dans une base d’information géographique pilotée par un SIG normalisé, dont le but est de réaliser un système ...
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Prediction of sediment load by sediment rating curve and neural network (ANN) in El Kebir catchment, Algeria
... and sediment con- centration data but a strong relationship between water discharge and sediment discharge (r = ...suspended sediment discharges did not approximate the corresponding observed ...
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Investigating the source of radiocesium contaminated sediment in two Fukushima coastal catchments with sediment tracing techniques
... the sediment contributions modelled from the upstream area in the Niida catchment from April 2012 to May 2013 may be indicative of ongoing decontamination works that commenced in ...river sediment (Evrard ...
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Assessing sediment connectivity to understand dynamics of contaminated sediment within coastal catchments of Fukushima Prefecture (Japan)
... Assessing sediment connectivity to understand dynamics of contaminated sediment within coastal catchments of Fukushima Prefecture (Japan) Caroline Chartin, ...
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