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Article Published In Vol.2 (Jan-Feb-2014)

Impact of the heavy metals (Cd, Fe, Cu, Pb, Zn, Ni) concentration on the edible sea urchin Paracentrotus lividus (Lamarck, 1816) at the level of the bay of Honaïne ( Tlemcen – North West Algerian)

Pages : 14-17

Author : Mohammed el Amine BENDIMERAD

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The sea urchin Paracentrotus lividus (L), is a type opportunist that has an important ecological role in the ecosystems, widely are considered as of good informers of the contamination of the sea environment in which they live, since they possess the property to accumulate the contaminators present in this environment until it attains the balance. The goal of this study is to complete the data on marine pollution of the Algerian coastal zones, in particular metallic pollution in the sea organisms. Thus, the principal objective of this work is the impact of the six heavy metals (Cd, Cu, Fe, Pb, Zn, Ni) concentration on the edible sea urchin Paracentrotus lividus (Lamarck 1816) removed at the level of the bay of Honaïne during a period of three months going from the months of April in the month of July 2012. Three organs were considered to know: (Gonads – pricking – tests), which were mineralized by two methods (dry way and humid way) then analyzed by spectrometry of atomic absorption with flame (S.A.A.A.F). The sea urchins are easy to collect and are found up spread alongside the Algerian coastal zone. Used as biological informers, these Echinoderms allow elucidating the characteristics of local contamination by the metals. The obtained data reveal that the supposed zone of sampling to be reference region, the results show that the hard parties (test and pricking) constitute the privileged target of this metallic pollution.

Keywords: Echinoidea – Paracentrotus lividus (L) – heavy metals – Honaïne – Tlemcen – North West Algerian.






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