marine phytoplankton
Photosynthesis–irradiance parameters of marine phytoplankton: synthesis of a global data set
... of marine primary production tend to converge on a number around 40–50 GT yr −1 , the accu- racy and precision on regional scales of the estimation pro- tocols remain relatively poor, partly as a result of an ...
16
Potential of proteins and their expression level in marine phytoplankton (Prymnesium parvum) as biomarker of N, P and Fe conditions in aquatic systems
... Compared to Fe-replete conditions ([Fe] ≥ 0.1 µM), the expression of a 42 kDa protein increased signifi- cantly (p < 0.01) and a new protein of 103 kDa was ex- pressed under Fe-deplete condition ([Fe] = 0.01 µM) ...
9
A database of marine phytoplankton abundance, biomass and species composition in Australian waters
... individual phytoplankton datasets collected across Australia since the mid 1900s, but most are unavailable to the research ...of marine phytoplankton species from Australian waters from 1844 to the ...
12
Methane production by three widespread marine phytoplankton species: release rates, precursor compounds, and potential relevance for the environment
... all bloom-forming and often found as dominant members in marine phytoplankton communities worldwide (Schoemann et al., 2005; Thomsen, 1994; Brown and Yoder, 1994). Fur- thermore, they are well-known for ...
16
Effect of Engineered Nanoparticles on Exopolymeric Substances Release from Marine Phytoplankton
... Aldrich, MO, USA) or L1 medium (control) for 48 h. The supernatant containing secreted EPS was collected and briefly centrifuged at 4000 rpm to remove the residual ENPs. This protocol was adapted from our pre- vious ...
7
Is there a difference of temperature sensitivity between marine phytoplankton and heterotrophs?
... Two phytoplankton growth rate datasets were analyzed in this study ...of marine phytoplankton specific growth rates (d 21 ) measured at different temperatures in the labora- tory (Supporting ...
12
Evaluation of Denaturing Gradient Gel Electrophoresis (DGGE) for the Determination of Marine Phytoplankton Genetic Diversity
... One approach that is gaining popularity in studies on the diversity of bacteria and archaea natural communities is gradient gel electrophoresis (GGE), using either a chemical denaturant gradient (DGGE), or a heat ...
11
Resource Supply Overrides Temperature as a Controlling Factor of Marine Phytoplankton Growth
... controlling phytoplankton biomass turnover was confirmed by the positive correlation between the resource supply index (RSI) and P C (Pearson’s r = ...1. Phytoplankton chlorophyll a , biomass and produc- ...
8
Physiological and environmental controls on the nitrogen and oxygen isotope fractionation of nitrate during its assimilation by marine phytoplankton
... fractionation were measured in two distinct forms of eukNR (the NADPH form in cell-free extracts from the fungus Aspergillus niger and the NADH form in cell homogenates from the marine diatom Thalassiosira ...
107
Effects of increasing atmospheric CO2 on the marine phytoplankton and bacterial metabolism during a bloom : a coastal mesocosm study
... community and the general public at global scale. Growing attentions are being paid to OA effects under multiple stressors or fluctuating environmental conditions in order to extrapolate from laboratory-scale experiments ...
42
Physiological and environmental controls on the nitrogen and oxygen isotope fractionation of nitrate during its assimilation by marine phytoplankton
... fractionation were measured in two distinct forms of eukNR (the NADPH form in cell-free extracts from the fungus Aspergillus niger and the NADH form in cell homogenates from the marine diatom Thalassiosira ...
9
Impact of measurement uncertainties on determination of chlorophyll-specific absorption coefficient for marine phytoplankton
... well differ from this value for a variety of reasons including: imperfect bleaching, absorption of the bleach- ing agent, presence of pigments in other particulate materials, and absorption by other, nonextractable algal ...
13
Optimization of Culture Conditions for Growth of Marine Phytoplankton
... of marine diatoms and microalgae. The growth of marine diatoms Thalassiosira subtilis, Entomoneis paludosa and microalgae Isochrysis galbana were ...optimized. Phytoplankton subcultures were prepared ...
10
Isolation and characterisation of novel viruses infecting marine phytoplankton
... undetected. Phytoplankton species infected by RNA viruses include the raphidophytes Heterocapsa circularisquama (Nagasaki et ...infect phytoplankton species may have a lower rate of detection and isolation ...
348
Nonlinear dynamics of a marine phytoplankton zooplankton system
... in marine ecosystems, where they comprise phytoplankton and ...zooplankton. Phytoplankton are primary producers in the marine ecosystem, where they form the basis of the food ...chain. ...
16
Latitudinal variation in plankton size spectra along the Atlantic Ocean
... Respiration and respiratory electron transport activity in marine phytoplankton: Growth rate dependence and light enhancement. Plankton metabolism and dissolved organic carbon use in the[r] ...
12
List of Algae Species of Ramadi City within the Environment of The Euphrates River - Iraq
... the phytoplankton composition [2, ...of phytoplankton composition have been published for the lower region of the river by ...term phytoplankton encompasses all photoautotrophic microorganisms in ...
11
Spectroscopic Investigations of Dimethyl Sulfoxide
... marine phytoplankton 3. Dimethyl sulfide is the most abundant naturally occurring sulfur species emitted from oceans 4. The oxidation of dimethyl sulfide is of particular interest since [r] ...
5
Pervasive aerobic nitrogen cycling in the surface ocean across the Paleoproterozoic Era
... Most units contain carbon isotope ratios that are depleted below the normal range for marine phytoplankton -26‰ ± 7‰; Schidlowski, 2001, perhaps reflecting heterotrophic degradation of s[r] ...
39
PubMedCentral-PMC4829982.pdf
... for marine phytoplankton counts and toxins; samples were collected from waist depth at each location at 1100 hours on each study day (Figure ...group phytoplankton cell counts (cells per milliliter) ...
7