Summary of predictor variables used in constrained ordinations.

NASA DEM data were accessed through https://wist.echo.nasa.gov/api/.

Climate suitability data were obtained through the Canadian Forest Service (CFS).

Yemshanov, D, McKenney, D, Pedlar, J. in review. Mapping forest composition from the Canadian National Forest Inventory and satellite landcover classification maps. Environmental Monitoring and Assessment.

The first and second axes of a principal coordinates analysis using Fst (PCoA) were used in distance based redundancy analysis (dbRDA).