aspen: an experimental test of assisted migration Stefan G. Schreiber*, Chen Ding, Andreas Hamann, Uwe G. Hacke, Barb R. Thomas and Jean S. Brouard Department of Renewable Resources, University of Alberta, Edmonton, AB, T6G 2H1, Canada; Alberta-Pacific Forest Industries, P.O. Box 8000, Boyle, AB, T0A 0M0, Canada; and Isabella Point Forestry Ltd., 331 Roland Road, Salt Spring Island, BC, V8K 1V1...