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Carbon isotope ratios of organic matter in Bering Sea settling particles: Extremely high remineralization of organic carbon derived from diatoms
diatoms coccolithophores carbon isotope organic carbon remineralization rain ratio
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2017/4/10
The carbon isotope ratios of organic carbon in settling particles collected in the highly-diatom-productive Bering Sea
were determined. Wet decomposition was employed to oxidize relatively fresh orga...
Genetic switch lets marine diatoms do less work at higher CO2
Genetic switch marine diatoms higher CO2
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2015/6/18
Diatoms in the world’s oceans exhale more oxygen than all the world’s rainforests. These tiny drifting algae generate about 20 percent of the oxygen produced on Earth each year, and invisibly recycle ...
Diatoms as Recorders of Sea Ice in the Bering and Chukchi Seas: Proxy Development and Application
Bering Sea Diatoms IP25 Marine Isotope Stage 11 Pacific Decadal Oscillation Sea Ice
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2014/10/22
The recent, rapid decline in Arctic summer sea ice extent has prompted questions as to the rates and magnitude of previous sea ice decline and the affect of this physical change on icerelated ecosyste...
Diatoms spread a high εNd-signature in the North Pacific Ocean
diatom silica frustules neodymium isotope seawater island arc loess
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2017/4/11
The Nd and Sr isotopes of the acetic-acid-soluble, hydrochloric-acid-soluble, hydrofluoric-acid-soluble (siliceous)
fractions of settling particles collected in the highly diatom productive Bering Se...
Diatoms favor their younger daughters
Diatoms favor younger daughters
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2014/4/4
We used a time-lapse imaging approach to examine cell division in the marine centric diatom Ditylum brightwellii and observed that daughter cells who inherited their parents' hypothecal frustule half ...
Diatoms favor their younger daughters
Diatoms favor younger daughters
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2014/4/3
We used a time-lapse imaging approach to examine cell division in the marine centric diatomDitylum brightwelliiand observed that daughter cells who inherited their parents’ hypothecal frustule half we...
Temperature-induced stress leads to bleaching in larger benthic foraminifera hosting endosymbiotic diatoms
Temperature-induced stress bleaching larger benthic foraminifera hosting endosymbiotic diatoms
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2014/4/4
Physiological mechanisms of bleaching were studied on larger benthic foraminifera (LBF) hosting endosymbiotic diatoms. Amphistegina radiata, Heterostegina depressa, and Calcarina hispida were exposed ...
No limit? The multiphasic uptake of silicic acid by benthic diatoms
No limit multiphasic uptake silicic acid benthic diatoms
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2014/4/18
Silicic-acid uptake kinetics for a field population of benthic diatoms were examined using a radioisotope tracer over a concentration range of 0–300mmol L21. The microphytobenthos half saturation cons...
Rapid photoprotection in sea-ice diatoms from the East Antarctic pack ice
Rapid photoprotection sea-ice diatoms the East Antarctic pack ice
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2014/4/17
Photoinhibition and D1 protein re-synthesis were investigated in bottom-dwelling sea-ice microalgal communities from the East Antarctic pack ice during early spring. Bottom-dwelling sea-ice microalgal...
Release of reactive bromine and iodine from diatoms and its possible role in halogen transfer in polar and tropical oceans
Release of reactive bromine iodine from diatoms possible role halogen transfer in polar tropical oceans
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2014/4/18
An in situ incubation assay measuring the bromination and iodination of phenol red was developed to detect the release of reactive bromine and iodine (primarily hypobromous acid [HOBr] and hypoiodous ...
Quantitative observation of cyanobacteria and diatoms from space using PhytoDOAS on SCIAMACHY data
Quantitative observation cyanobacteria diatoms space PhytoDOAS SCIAMACHY data
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2010/1/20
In this study the technique of Differential Optical Absorption Spectroscopy (DOAS) has been adapted for the retrieval of the absorption and biomass of two major phytoplankton groups (PhytoDOAS) from d...
Release of reactive bromine and iodine from diatoms and its possible role in halogen transfer in polar and tropical oceans
Release of reactive bromine diatoms halogen transfer
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2014/4/18
An in situ incubation assay measuring the bromination and iodination of phenol red was developed to detect
the release of reactive bromine and iodine (primarily hypobromous acid [HOBr] and hypoiodous...
Iodine assimilation by marine diatoms and other phytoplankton in nitrate-replete conditions
marine diatoms Iodine assimilation
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2014/4/17
Several marine phytoplankton species, primarily diatoms, were examined for the accumulation of iodide (10
species) and iodate (9 species) using radioactive iodine-125 in f/2 artificial seawater, a ni...
The effects of Cu and Fe availability on the growth and Cu:C ratios of marine diatoms
The effects of Cu and Fe availability on the growth and Cu:C ratios of marine diatoms
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2014/4/21
We investigated the effects of copper (Cu) and iron (Fe) availability on the growth rates, cellular Cu content, and steady-state Cu uptake rates of eight species of centric diatoms (coastal and oceani...
Vitamin B12 and cobalt cycling among diatoms and bacteria in Antarctic sea ice microbial communities
Vitamin B12 cobalt cycling among diatoms
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2014/4/21
Within McMurdo Sound’s annual sea ice, assimilation and concentrations of vitamin B12 (cobalamin),
microbial community productivity, and biomass were examined among three 100-m2
quadrats where light...