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Nitrate–nitrite dynamics and phytoplankton growth: Formulation and experimental evaluation of a dynamic model
Nitrate–nitrite dynamics phytoplankton growth Formulation and experimental evaluation dynamic model
2014/4/4
A multi-nutrient quota model was modified to describe the coupled dynamics of nitrate and nitrite utilization for four phytoplankton species, Picochlorum atomus (Butcher) (Chlorophyta), Nannochloropsi...
Oxygen isotopic composition of nitrate and nitrite produced by nitrifying cocultures and natural marine assemblages
Oxygen isotopic composition of nitrate nitrite produced nitrifying cocultures natural marine assemblages
2014/4/4
The δ18O value of nitrate produced during nitrification (δ18ONO3,nit) was measured in experiments designed to mimic oceanic conditions, involving cocultures of ammonia-oxidizing bacteria or ammonia-ox...
Oxygen isotopic composition of nitrate and nitrite produced by nitrifying cocultures and natural marine assemblages
Oxygen isotopic composition nitrate nitrite produced nitrifying cocultures natural marine assemblages
2014/4/3
Thed18 O value of nitrate produced during nitrification (d18ONO3,nit) was measured in experiments designed to mimic oceanic conditions, involving cocultures of ammonia-oxidizing bacteria or ammonia-ox...
Nitrate–nitrite dynamics and phytoplankton growth: Formulation and experimental evaluation of a dynamic model
Nitrate–nitrite dynamics phytoplankton growth Formulation experimental evaluation a dynamic model
2014/4/3
A multi-nutrient quota model was modified to describe the coupled dynamics of nitrate and nitrite utilization for four phytoplankton species, Picochlorum atomus(Butcher) (Chlorophyta), Nannochloropsis...
Control of nitrous oxide emission from Chironomus plumosus larvae by nitrate and temperature
nitrate temperature nitrous oxide emission
2014/4/16
Aquatic invertebrates that ingest large numbers of bacteria produce substantial amounts of the greenhouse gas
N2O because of incomplete denitrification in their anoxic gut. We investigated the influe...
Hydrologic and biotic influences on nitrate removal in a subtropical spring-fed river
Hydrologic biotic influences on nitrate removal a subtropical spring-fed river
2014/4/16
We use a long-term chemical and hydrologic record in combination with longitudinal sampling and highfrequency nitrate (NO{3) measurements from in situ sensors to describe temporal and spatial patterns...
Nitrogen and oxygen isotope fractionation during dissimilatory nitrate reduction by denitrifying bacteria
Nitrogen and oxygen isotope fractionation dissimilatory nitrate reduction denitrifying bacteria
2014/4/21
We report the first measurements of coupled nitrogen (N) and oxygen (O) isotope fractionation of nitrate by laboratory cultures of denitrifying bacteria. Two seawater strains (Pseudomonas stutzeri, Oc...
Mapping the spatial variability of plankton metabolism using nitrate and oxygen sensors on an autonomous underwater vehicle
Mapping the spatial variability plankton metabolism using nitrate oxygen sensors autonomous underwater vehicle
2014/5/16
It is now possible to make highly resolved vertical (<1 m) and horizontal (3 m at constant depth and ~400 m when undulating from surface to 100 m) measurements of nitrate concentration in the upper oc...
Effects of nitrate and phosphate on grazer-induced toxin production in Alexandrium minutum
nitrate phosphate grazer-induced toxin production Alexandrium minutum
2014/4/21
Two strains ofAlexandrium minutumwere exposed to waterborne cues from copepod grazers in factorial combinations of nitrate and phosphate concentrations to evaluate the importance of grazer-induced par...
Iron requirements of the pennate diatom Pseudo-nitzschia: Comparison of oceanic (high-nitrate, low-chlorophyll waters) and coastal species
pennate diatom Pseudo-nitzschia oceanic coastal species
2014/5/5
We quantified and compared physiological parameters and iron requirements of several oceanic Pseudonitzschia spp., newly isolated from the high-nitrate, low-chlorophyll waters of the northeast subarct...
Comparison of size-dependent carbon, nitrate, and silicic acid uptake rates in high- and low-iron waters
size-dependent carbon nitrate silicic acid uptake rates high- and low-iron waters
2014/5/9
We compare the relative contribution of large phytoplankton (>5 and >10 μm) to uptake rates of carbon (C), nitrate (NO3-), and dissolved silicon (Si) and uptake ratios of Si :NO and Si :C in Monterey ...
Growth rates, half saturation constants, and silicate, nitrate, and phosphate depletion in relation to iron availability of four large open-ocean diatoms from the Southern Ocean
Growth rates half saturation constants silicate, nitrate phosphate depletion relation to iron availability four large open-ocean diatoms Southern Ocean
2014/5/19
Four large, open-ocean diatoms from the Southern Ocean (Actinocyclus sp., Thalassiosira sp., Fragilariopsis kerguelensis, and Corethron pennatum) were grown in natural (low iron) Southern ocean seawat...
Responses of elemental and biochemical composition of Chaetoceros muelleri to growth under varying light and nitrate:phosphate supply ratios and their influence on critical N : P
Responses of elemental biochemical composition Chaetoceros muelleri growth under varying light nitrate:phosphate supply ratios their influence critical N : P
2014/5/19
The critical nitrogen-to-phosphorous ratio (N:P) defines the transition between N and P limitation of growth rate and is not a biological constant. To test the effect of environmental conditions on th...
Light driven seasonal patterns of chlorophyll and nitrate in the lower euphotic zone of the North Pacific Subtropical Gyre
Light driven seasonal patterns chlorophyll and nitrate lower euphotic zone North Pacific Subtropical Gyre
2014/5/14
The euphotic zone below the deep chlorophyll maximum layer (DCML) at Station ALOHA (a long-term oligotrophic habitat assessment; 22°45'N, 158°00'W) transects the nearly permanently stratified upper th...
Influence of CO2, nitrate, phosphate, and silicate limitation on intracellular dimethylsulfoniopropionate in batch cultures of the coastal diatom Thalassiosira pseudonana
CO2 nitrate phosphate silicate limitation intracellular dimethylsulfoniopropionate diatom Thalassiosira pseudonana
2014/5/22
We measured intracellular dimethyl sulfoniopropionate (DMSP) concentrations in nutrient-limited batch cultures of the coastal diatom Thalassiosira pseudonana. Under N, P, CO2, and Si growth limitation...