Institution: | (1) Environmental Cryobiology Group, Institute of Low Temperature Science, Hokkaido University, Sapporo, 060–0819 Japan, JP;(2) Department of Agrobiology and Bioresorces, Faculty of Agriculture, Hokkaido University, Sapporo, 060–8589 Japan, JP;(3) Department of Forest Science, Faculty of Agriculture, Hokkaido University, Sapporo, 060–8589 Japan, JP |