SPATIAL AND TEMPORAL VARIATIONS IN DIATOMS FROM LA CHAINE DES LACS URBAN WATERSHED, NORD-PAS-DE-CALAIS, FRANCE, IN RELATION TO WATER QUALITY

Paula J. Noble1, Bart Van de Vijver2, Elie Verleyen3, Jean Prygiel4, Anastasia Ivanovsky5, Ludovic Lesven5 and Gabriel Billon5, (1)University of Nevada, Reno, Geological Sciences & Engineering, Reno, NV, United States, (2)Botanic Garden Meise, Dept. Cryptogamy, Meise, Belgium, (3)Ghent University, Protistology and Aquatic Ecology, Gent, Belgium, (4)Agence de l’Eau Artois-Picardie, Douai, France, (5)Université de Lille, LASIR UMR CNRS, Villeneuve d'Ascq, France