Previous photo pair1908 - 2008: Boreal Mountains near Toklat River43/60Next photo pair
spruce expansion photo pair
Photo Credits: Charles Sheldon, "The Wilderness of Denali" (1908), Willie Karidis (2008)
Ecoregion: Alaska Range Mountains
Change Type: Changing treelines
Changing treelinesAnimation is available
Captured in these 100 years are dramatic changes in tree and shrubline. Look closely at the mountain slope opposite the Toklat River to see how the forest has thickened and how shrubs now seem to dominate in areas where they were previously patchy or non-existent.