deep sea bottom sediment
Spatio temporal monitoring of deep sea communities using metabarcoding of sediment DNA and RNA
... in deep-sea sediment communities using ...Mediterranean Sea, sampled along a depth gradient at two different ...of sediment and significant changes in community composition with zone ...
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Two novel deep-sea sediment metagenome-derived esterases: residue 199 is the determinant of substrate specificity and preference
... A metagenomic library has previously been con- structed from Pacific Ocean deep-sea sediment, from which several lipolytic enzymes have been screened [10]. In the present study, further ...
12
Vertical profiles of arsenic and arsenic species transformations in deep-sea sediment, Nankai Trough, offshore Japan
... which sediment column was the longest down to 2200 m below the seafloor (mbsf) among the studied three drilling sites, were analyzed for the host phase transformation of ...the sediment column, implying ...
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AMS measurements of cosmogenic and supernova-ejected radionuclides in deep-sea sediment cores
... two deep-sea sediment cores from the Indian Ocean are analyzed with accelerator mass spectrometry (AMS) to search for traces of recent supernova activity ∼2 Myr ...
5
Physical properties of sediment recovered on Deep Sea Drilling Project Leg 68 with the Hydraulic Piston Corer
... Most in- triguing is the sudden increase in porosity and water content (decrease in saturated bulk density) to the high- est values in the entire section, found in the bottommost samples[r] ...
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Deep sea sediment types on the North Atlantic sea floor
... productivity of siliceous organisms is sufficiently high iii a zone south of Iceland f o r siliceous ooze deposition at depths below tiie CCD Figure 1, but here again the seafloor is at [r] ...
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Carbon burial in deep-sea sediment and implications for oceanic inventories of carbon and alkalinity over the last glacial cycle
... the deep ocean coupled with uncertainties in mod- ern fluxes (Table 2) implies changes in the alkalinity inven- tory that could reach up to 100 µequ kg −1 , with a minimum centered around ∼ 70 kyr near the ...
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A new species of Wellsopsyllus (Copepoda, Harpacticoida, Paramesochridae) from the deep Southern Ocean and remarks on its biogeography
... inhabit deep-sea and shallow-water muddy sediments: Wellsopsyllus ...of deep-sea ...muddy deep-sea sediment confirm this ...
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Light and vision in the deep sea benthos: II Vision in deep sea crustaceans
... of deep-sea pelagic crustaceans that have been examined using the same methodology (Frank, 2003; Cohen and Frank, 2006; Cohen and Frank, ...the deep-sea floor, based on previous observations ...
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Ecological controls on density, diversity and community structure of Polar Megabenthos
... As a result of the temporary extension and calving of icebergs, ice shelves have been shown to suppress the benthic fauna underneath and create unpredictable conditions (Arntz et al. 1994). There was no local primary ...
315
Current CaCO3 dissolution at the seafloor caused by anthropogenic CO2
... to deep-sea sediments, no such trend is clearly observed today ...computed sediment dissolution rates (r) to a reduction in the calcite downward flux (F), we find that when F is decreased by 10%, the ...
6
Deep Sea Hydrothermal Vent Viruses Compensate for Microbial Metabolism in Virus Host Interactions
... of sediment samples from three deep-sea hydrothermal vents were ex- plored in this ...known, deep-sea hydrothermal vent ecosystems exist in relatively isolated en- vironments which are ...
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Thermal expansion effects in deep sea sediments
... Thermal Contraction of a deep sea sediment - Thermal Tamping It has been suggested in.the previous section that thermal expansion of a deep-sea sediment is likely to be essentially a con[r] ...
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Impact of cyclonic eddies and typhoons on biogeochemistry in the oligotrophic ocean based on biogeochemical/physical/meteorological time-series at station KEO
... a deep-sea (~ 5000 m) sediment trap mooring has been maintained at station KEO, adjacent to the NOAA surface ...the sediment trap data to relate these physical, meteorological, and biological ...
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Monitoring fluvial pollen transport, its relationship to catchment vegetation and implications for palaeoenvironmental studies
... Black Sea where there is a strong link between surface pollen concentrations and salinity with a minima of 5 grains g − 1 in the Eastern Mediterranean and a maxima of 160,000 grains g − 1 in the Black Sea ...
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Distributions of Anionic Surfactantin Sea Water and Total Organic Carbon in Bottom-Surfacesediment along theTurkish Coast of the Black Sea
... and sediment load in the eastern part of the Black ...the sea water or via deep-sea drainage system (DEF-Rize, 2010) and to the lack of the dilution effect of rivers during low river flow ...
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Modelling potential impacts of bottom trawl fisheries on soft sediment biogeochemistry in the North Sea†
... soft sediment system will mineralise ...North Sea, where mean sediment grain sizes are ...soft sediment system: (1) a natural system with moderate macrofauna biomass; (2) a system with ...
6
Energy Gradients Structure Microbial Communities Across Sediment Horizons in Deep Marine Sediments of the South China Sea
... single sediment type nor significantly different across varying sediment types (PERMANOVA df = 6, 34, pseudo-F = ...of sediment lithologies, for example grouping all turbidites, did not alter this ...
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Polycyclic aromatic hydrocarbons in ocean sediments from the North Pacific to the Arctic Ocean
... in the surface sediment of the Bering Sea, Bering Strait, Chukchi Sea, Canadian Basin and Central Arctic Ocean for CHINARE 4 expedition.. Bering Sea Bering Strait Chukchi Sea Canadian Ba[r] ...
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Comparative Analysis of Temperature Controllers for High Pressure Rated Modified CSTR system
... the deep sea conditions such as pressure, temperature, pH etc in the laboratory to study environmental ...for deep sea applications using real time on-line open loop temperature ...
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