A Multibiomarker Approach to Assess the Health State of Coastal Ecosystem Receiving Desalination Plants in Agadir Bay, Morocco

Figure 3

Seasonal variations of acetylcholinesterase (a), glutathione S-transferase, and (b), catalase activities (c) and malondialdehyde level (d) in Mytilus galloprovincialis collected in 3 sites (South (S), Instal (I), and North (N)) of the coastline Tifnit-Douira (Spr: Spring; Sum: Summer; Aut: Autumn; Win: Winter). Data were expressed as (mean ± SD) (). Values indicate significant difference between sites () and between stations (), .

(a)

(b)

(c)

(d)