Fig. 5

Temporal variations in the density (ind. m−2) (a) and in the biomass (fresh weight g m−2) (b) of the studied population of Nereis falsa at El Kala, Algeria
Temporal variations in the density (ind. m−2) (a) and in the biomass (fresh weight g m−2) (b) of the studied population of Nereis falsa at El Kala, Algeria