Autogenic versus environmental control during development of river biofilm Armelle Paule, Émilie Lyautey, Frédéric Garabetian and Jean-Luc Rols Ann. Limnol. - Int. J. Lim., 45 1 (2009) 1-10 Published online: 03 April 2009 DOI: 10.1051/limn/09007