INNSpub | Blog site - Phytoremediation potential of Centella asiatica (gotu kola) in nickel ore-contaminated soils | JBES 2018

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INNSpub | Blog site - Research Journal Publisher: Phytoremediation potential of Centella asiatica (g... : Map showing the operating nickel mining sites in Carrascal, Surigao del Sur, Philippines. Author Information Genelyn G. Madjos  from the Institute of the  Department of Biological Sciences, College of Science and Mathematics, Western Mindanao State University, Zamboanga City, Philippines Journal Name Journal of Biodiversity and Environmental Sciences | JBES Abstract Nickel miningposed a serious environmental problem due to run-offs and tailings. To address this, current techniques include excavation, chemical stabilization and soil flushing, but these methods are costly and impractical. One of the ecologically accepted treatments is phytoremediation. With the capacity of Centella asiatica (gotu kola) to thrive in moist soils with domestic effluents, this present study sought to evaluate its phytoremediation potential by employing an experimental design with three replicates of: (a
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Impact of some biotics and abiotics factors on the accumulation of heavy metals by a biological model Merluccius merlucciusin the bay of oran in Algeria

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  • Fatma Belhoucine1, Amel Alioua2, Sultana Bouhadiba1, Zitouni Boutiba 
  1. Environmental Monitoring Network, Department of Biology, Faculty of Natural Sciences and Life,University Es-Senia of Oran, Algeria
  2. University of Science and Technology of Oran USTO-MB, Department of Biotechnology, Faculty
    of Natural Sciences and Life of Oran, Algeria     
Our study focused on the assessment of contamination by three trace metals (Cd, Pb and Zn) an abundant
demersal fish in Algerian waters and appreciated by a large fish-eating population, hake Merluccius merluccius
(L. 1758) , caught in the bay of Oran.
Monthly sampling was spread over a year from January to December 2010.Two organs have been identified: the liver and muscle. Metal concentrations were determined by atomic absorption spectrophotometry with flame based on three parameters (sex, size and month). From this study, it appears that the hake (M. merluccius) bioaccumulates three metals pollutants sought, the highest concentrations are those of zinc, lead concentrations more or less important, and the lowest concentrations are those of cadmium.
The processed results showed no statistically significant difference between the levels of trace metals in both sexes and at both organs considered. The use of hake as bio indicator in the assessment of contamination by these micro, helped to highlight their presence at two target organs (liver and muscle).
These results only reveal the existence of a close relationship between marine pollution and many other industrial and urban wastes, the Oran Bay and surrounding areas.

Full Article Available at: Volume 5, Number 6, December 2014 – JBES
Journal Name:  Journal of Biodiversity and Environmental Sciences (JBES)


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