Temporal and spatial dynamics in large rivers : example of a long-term monitoring of the middle Rhone RiverJ.-F. Fruget, M. Centofanti, J. Dessaix, J.-M. Olivier, J.-C. Druart and P.-J. MartinezAnn. Limnol. - Int. J. Lim., 37 3 (2001) 237-251DOI: https://doi.org/10.1051/limn/2001021