The edible sea urchin Paracentrotus lividus (Lamarck, 1816) has a geographical distribution, which includes the Atlantic Ocean and the entire Mediterranean Sea. It is the subject of numerous studies dealing with the ...

In the ecological field, there are many studies on the use of bioindicators to determine the quality of seawater. In our study, we chose the indicator of benthic zone, the echinacea sea urchin, Paracentrotus lividus (Lamarck, ...

Beaucoup d’étude réalisé sur les oursins régulier en méditerranée, néanmoins en Algérie il Ya un manque de données immense sur leurs régime alimentaire. A cet effet, le présent travail traite les préférences alimentaires ...

Bio-monitoring is large Field So that allows to use bio-indicator to determination quality of water sea , in our study we chose two indicator benthic zone , the echinoid urchin sea P.lividus (Lamarck ,1816) and bivalve ...

This work is a morpho-geometric study based on landmarks of the livid sea urchin Paracentrotus lividus (Lamark, 1816). We sampled 162 individuals from four stations of the coast of Mostaganem: Stidia, Salamandre, Sidi ...

This work is part of a morphometric study based on outline shape analysis by the transform of the regular Fourier ellipses of the sea urchin Paracentrotus livides (Lamarck, 1816). A sampling of 164 individuals was carried ...

The marine coastal ecosystems of Mostaganem, like those of the entire Mediterranean coast, are fragile, vulnerable, limited and coveted. These are environments increasingly affected by human activities, by the increase ...

This master's work targets the determination of the sensitivity of embryonic development in the sea urchin "Paracentrotus lividus" in the Mostaganem region . To this end, we carried out three samplings (March, April, May) ...