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…

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…

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

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.

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

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

Blister rust(Cronartium ribicola) in planted white pine. Infection was most probably in the nursery. Owen Sound MNR

Blister rust in large white pine. Tree seed plant Angus

Blister rust in large white pine. Tree seed plant Angus.