Application of habitat modelling in river rehabilitation and artificial habitat design Knut Alfredsen, Peter Borsanyi, Atle Harby, Hans-Petter Fjeldstad and Sten-Enok Wersland Hydroécol. Appl., 14 (2004) 105-117 Published online: 01 May 2007 DOI: 10.1051/hydro:2004007