Modelling diatom life forms and ecological guilds for river biomonitoring Rémy Marcel, Vincent Berthon, Virginie Castets, Frédéric Rimet, Amélie Thiers, Frédéric Labat and Bruno Fontan Knowl. Manag. Aquat. Ecosyst., 418 (2017) 1 Published online: 06 March 2017 DOI: 10.1051/kmae/2016033