Publications by authors named "F Lizon"
Article Synopsis
- - The study investigates how arsenic (As) stress impacts the physiology of the microalga Diacronema lutheri using non-destructive methods, particularly variable fluorescence, to identify stress markers at two arsenic concentrations (11.25 µg/L and 22.5 µg/L) compared to a control.
- - Results showed that growth metrics like cell density and chlorophyll a levels were negatively affected by arsenic exposure after the exponential growth phase, while certain photo-physiological indicators, such as light absorption, actually increased despite a decrease in biomass production.
- - The research indicates that arsenic exposure leads to heightened energy dissipation and affects photoprotective pigments, highlighting the importance of using photo
Article Synopsis
- Understanding how phytoplankton adapt their photosynthesis to different underwater light conditions is crucial for grasping primary production in aquatic ecosystems.
- A study collected phytoplankton samples across the English Channel in spring and analyzed their photosynthetic properties using a specialized chlorophyll fluorometer.
- The findings showed that these phytoplankton communities were better protected from blue light but not from other colors, indicating that their ability to adapt to varying light quality impacts their ecological roles in coastal environments.
Environ Pollut
February 2015
Article Synopsis
- In Northern France, rivers are being used to reduce road traffic pollution by improving waterway transport.
- The study focuses on the impact of boat traffic on the resuspension of historically polluted sediments and its effect on water quality.
- Findings indicate that while navigation has a limited effect on dissolved metals and oxygen levels, phytoplankton cycling significantly influences water quality throughout the year.
