Publications by authors named "Hilaire Elenga"
Assessment of heavy metal concentrations, environmental risks and human health implications in marine sediments along the coastal ecosystems of the Republic of Congo.
Environ Monit Assess
November 2024
The aim of this study is to assess the level of heavy metals (HMs) in surface sediments along the coastal estuaries of the Republic of Congo. A variety of approaches were employed, integrating elemental analysis (Atomique Absorption Spectroscopy), environmental, ecological, health risk assessment, and source identification techniques to evaluate the distribution, origin, environmental, ecological and health risks of potentially toxic element (PTE) contamination in sediments. The ascending mean concentration (mg/kg) of Cd (0.
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- - The study analyzes levels of natural radioactive elements in coastal sediments of the Republic of Congo, using high-resolution gamma spectrometry to measure radionuclide activities from five different sites.
- - Results indicated that radiation levels were similar to those found in neighboring countries, with variations observed between sites and sampling points, but all values remained within global average limits, suggesting minimal human impact on the environment.
- - The research assessed radiological hazards and applied the ERICA tool to evaluate radiation exposure risks to humans and wildlife, providing valuable data for future monitoring and contributing to the global database on marine radioactivity.
Tropical savannah and forest are thought to represent alternative stable states in ecosystem structure in some climates. The implication is that biomes are maintained by positive feedbacks, e.g.
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