Publications by authors named "Julien Richirt"
Spatial distribution of water-soluble molecules and ions in living organisms is still challenging to assess. Energy-dispersive X-ray spectroscopy (EDS) via cryogenic scanning electron microscopy (cryo-SEM) is one of the promising methods to study them without loss of dissolved contents. High-resolution cryo-SEM-EDS has challenges in sample preparation, including cross-section exposure and sample drift/charging due to insulative surrounding water.
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- Plastic pollution is a major environmental issue in the Anthropocene, causing visual and physical harm along with releasing harmful chemicals.
- Despite the importance of benthic foraminifera in ecosystems, only a tiny fraction (0.4%) of studies have looked into the effects of micro- and nano-plastics on them.
- The authors recommend including benthic foraminifera in future plastic pollution research to better understand their responses and to use them as indicators of pollution levels for effective coastal ecosystem management.
Due to climate warming and increased anthropogenic impact, a decrease of ocean water oxygenation is expected in the near future, with major consequences for marine life. In this context, it is essential to develop reliable tools to assess past oxygen concentrations in the ocean, to better forecast these future changes. Recently, foraminiferal pore patterns have been proposed as a bottom water oxygenation proxy, but the parameters controlling foraminiferal pore patterns are still largely unknown.
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