Blister rust (Cronartium ribicola) aeciospores on 9 year old white pine. Leslie Frost Centre.

Blake MacDonald's experiment to show the impact of water supply: weekly vs. fortnightly watering on growth of hard maple seedlings.

Blake MacDonald's experiment to show the impact of water supply: weekly vs. fortnightly watering on growth of hard maple seedlings.

Blade scarification using D8; 2-3 acres/hour. N.B. frozen soil under where blade is scraping. Northwestern Pulp & Power. Hinton

Aerial photographs of the boundary where the fire damage stops near Blackstone Lake, Ontario. The photographs show where the landscape is visually split between the brownish/grey burnt forest and the green unburnt forest. The lake can also be seen in…

Photograph of a cross-sectional view of soil in an unburnt forest stand near Blackstone Lake, Ontario. The organic, topsoil and subsoil layers can clearly be seen. A metal ruler can be seen near the center of the image. Note that the organic layer is…

Photograph of an area of pine regeneration in a burnt forest stand near Blackstone Lake, Ontario. Large amounts of dead, burnt, grey trees can be seen towering above the lush green regrowth below.

Soil type: #39

Photograph of a windthrown tree in a burnt forest stand near Blackstone Lake, Ontario. In the background, large amounts of dead, burnt, grey trees can be seen towering above the lush green regrowth below.

Soil type: #39

Aerial photographs of large areas of grayish/brown burnt trees near Blackstone Lake, Ontario. Areas of green unburnt forest stands can also be seen littering the landscape.

Photograph of a cross-sectional view of soil in a burnt forest stand near Blackstone Lake, Ontario. The organic, topsoil and subsoil layers can clearly be seen. A metal ruler can be seen near the center of the image. Evidence of windthrown trees can…