Open Access Research Paper Views (441) Download (17) Comparative study on Saurel Trachurus trachurus fish obtained from the Algerian littoral using multivariate statistical methods (principal component analysis and hierarchical analysis) Souheïla Azzouz, Lyamine Mezedjri, Ali Tahar J. Bio. Env. Sci.13( 4), 54-62, October 2018. Key: Algerian littoralHierarchical analysisPCAStatistical analysisTrachurus trachurus Details