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sur le développement des zones arides et semi-arides

Titre : Patterns of heavy metal contamination in four commercial benthic fish species along the coast of Morocco

Auteur : Regelsberger, Klara Maria

Université de soutenance : Universität Innsbruck

Grade  : Master of Science (MSc) 2020

Descriptif
This thesis is part of the research project COFISHMAP (Assessment of Moroccan Coastal Fish Habitat and Water Quality), a cooperation between the Mohammed V Agdal Université, Rabat and the Thünen Institute of Fisheries Ecology, Bremerhaven in the frame of the research program PMARS (“Programme Maroc-Allemand de Recherche Scientifique”) of the German Federal Ministry of Education and Research and the Moroccan Ministère de l’Éducation Nationale, de l’Enseignement Supérieur, de la Formation des Cadres et de la Recherche Scientifique. COFISHMAP provides the first fundamental survey on countrywide heavy metal and organic pollution of four locally occurring commercial fish species, thereby enabling a description of the environmental stress of each species and the food risk caused by these contaminations on a broad as well as small scale. The focus of this thesis was set on heavy metal concentrations in fish liver tissue, comparing different fish species, individual sampling sites and, on a wide scale, the Mediterranean versus Atlantic Moroccan coastline. Results are discussed based on relevant available literature and maximum thresholds defined by FAO/WHO and the EU for commercial fish.

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