The Moroccan coast corresponds to a space of intense economic activities (industrial, agricultural, domestic,...etc), and thus constitutes the receptacle significant quantities substances natural or anthropic origin, many which possess toxic properties. Heavy metals are pollutants whose harmfulness is related their persistence speciation. They poorly metabolized, so they can be transferred food...

This study aimed to determine the impact of hook and bait type on catch composition per unit effort. Effects types composition, effort (CPUE), length weight distributions in demersal longline fishery were determined by experimental surveys sets Aegean Sea. A total 12 samplings corresponding 4800 fishing performed between April 2014 September 2014. Two types; sardine (Sardina pilchardus) grooved...

Small pelagic fish (SPF) species such as European sardine Sardina pilchardus , anchovy Engraulis encrasicolus round sardinella Sardinella aurita and sprat Sprattus sprattus play important ecological roles in the Mediterranean Sea marine ecosystem. However, changes SPF abundance biomass have recently been observed basin. Therefore, uncovering trophic importance of to their predators is key unrav...