While drought will affect the entire tree, winter damage usually shows up on the side of the tree most exposed to the drying effects of wind and sun. It is natural for trees to have a life span just like we do. For young trees watering and fertilizing may help, but it may not for older ones that may be at the limit of their reserves. Van Randen says that it is too early to say whether the trees north of town will die or eventually bounce back. Van Randen says that he is an optimist.
Forests can adapt to changes in the climate.
The question is whether the speed of warming will outdistance the ability of tree species to respond genetically. You rarely see 100 percent of the trees killed off by these conditions. For more information on Yukon forests, contact Forest Resources at the Department of Indian Affairs and Northern Development at 667-3350.