Additional file 1: of Have some landscapes in the eastern Canadian boreal forest moved beyond their natural range of variability?

1- Recent consequences of human activities in the present-day landscapes. 2- Method used to define the natural landscape. 3- Natural variability of the landscapes. 4- Natural landscapes of the study area regarding the forest composition. 5- Comparison of natural and present-day landscapes on the basis of the combination of potential vegetation types and successional stages. 6- Comparison of natural and present-day landscapes on the basis of age structure and forest composition. (ZIP 7218 kb)