Fig. 1From: Training the salmon’s genes: influence of aerobic exercise, swimming performance and selection on gene expression in Atlantic salmonSource of wild parents for parr used in the study showing the main tributary of the Lærdal River (red) in Norway (inset). The figure was made using altitude raster data (30s resolution) obtained from the WorldClim dataset [78] and the open-source program QGIS v1.8Back to article page