Sentences with phrase «in chlorophyll fluorescence»

In the Amazon, Liu et al found that the change resulted from a * decrease in photosynthesis * (as revealed by changes in chlorophyll fluorescence).

In both cases the instrument showed changes in chlorophyll fluorescence that corresponded with declining plant health over time.

Not exact matches

Heat tolerance in food legumes as evaluated by cell membrane thermostability and chlorophyll fluorescence techniques.

«Most instruments used for chlorophyll fluorescence imaging are only suitable for laboratory use, but we want to develop a system that can monitor crop health in a field or greenhouse,» said Haifeng Li, a member of the research group.

Detecting fluorescence from chlorophyll requires that the pigment be illuminated with light that that excites molecules in the chlorophyll, causing them to emit light.

«Chlorophyll fluorescence imaging has been widely used in academic research,» said Li.

Lead author Nigel D'Souza, then a postdoctoral researcher at Lamont, discovered the phytoplankton response to oil seeps while on a ship in the Gulf of Mexico monitoring chlorophyll fluorescence — energy that is emitted as light by compounds inside phytoplankton cells used for photosynthesis.

Niyogi grew Chlamydomonas mutants in low light and then videotaped chlorophyll fluorescence during a few minutes of illumination with high light, singling out mutants that didn't respond normally.

Chlorophyll fluorescence, antioxidant capacity, phenolic concentration, and flavonoid concentration were also measured in the study.

The observations are based on satellite readings of CO2, carbon monoxide (which is released by wildfires) and other factors like the fluorescence of the chlorophyll in plant tissues (which reflects growth).

In this work we implemented a chlorophyll fluorescence model developed at leaf scale to a global vegetation model JSBACH and we evaluated the model performance in terms of photosynthesis and chlorophyll fluorescencIn this work we implemented a chlorophyll fluorescence model developed at leaf scale to a global vegetation model JSBACH and we evaluated the model performance in terms of photosynthesis and chlorophyll fluorescencin terms of photosynthesis and chlorophyll fluorescence.

In order to use chlorophyll fluorescence in model development, a process - based description for it is requireIn order to use chlorophyll fluorescence in model development, a process - based description for it is requirein model development, a process - based description for it is required.

Chlorophyll fluorescence takes place in the plant leaves simultaneously with photosynthesis, therefore a direct link between the two exists and chlorophyll fluorescence can be used to track photChlorophyll fluorescence takes place in the plant leaves simultaneously with photosynthesis, therefore a direct link between the two exists and chlorophyll fluorescence can be used to track photchlorophyll fluorescence can be used to track photosynthesis.

The Finnish Meteorological Institute implemented the chlorophyll fluorescence model into a global vegetation model in collaboration with researchers from the Max Planck Institute.

Performance of these algorithms is analyzed in conjunction with the relationship between fluorescence magnitude and chlorophyll concentrations in the conditions typical for coastal waters.

The Finnish Meteorological Institute implemented the chlorophyll fluorescence model into a global vegetation model in collaboration with researchers from the Max Planck Institute.

Chlorophyll fluorescence takes place in the plant leaves simultaneously with photosynthesis, therefore a direct link between the two exists and chlorophyll fluorescence can be used to track photChlorophyll fluorescence takes place in the plant leaves simultaneously with photosynthesis, therefore a direct link between the two exists and chlorophyll fluorescence can be used to track photchlorophyll fluorescence can be used to track photosynthesis.