Biodegradation, Environmental, Dose-Response Relationship, Drug, Animals, Water Pollutants, Chemical - toxicity, Environmental Monitoring - methods, Anthracenes - toxicity, Geologic Sediments - chemistry, Nematoda - drug effects
Butyltin, Polycyclic aromatic hydrocarbon, Aquatic ecosystem, Organochlorine pesticide, Polychlorinated biphenyl, Tunisia, UNESCO World Heritage site