Image A:

Photograph of 26 years of regrowth in a forest stand near Perrigo Lake, Ontario. A man can be seen in a hole smiling in the bottom right of the image.

Image B:

Photograph of 26 years of regrowth in a forest stand near Perrigo…

Photograph of a forest stand near Perrigo Lake, Ontario after 26 years of regrowth. A man can be seen kneeling in the center left of the image. There is a large amount of stones near the bottom of the image.

Soil type: #44

Photograph of a forest stand near Perrigo Lake, Ontario after 26 years of regrowth. A man can be seen standing in the center of the image on a large mossy stone.

Soil type: #44

Photograph of a cross-sectional view of soil in a forest stand near Perrigo Lake, Ontario. Only the organic layer can be seen in this image. Large amounts of wooden debris can be seen on the forest floor. A metal ruler can be seen near the center of…

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

Budworm damage on red spruce. Black Brook, J.D.Irving.

Balsam woolly aphid damage on A. grandis. N.B adjacent hemlock. Shawinigan Division, Macmillan Bloedel.

Budworm damage on red spruce. Black Brook, J.D.Irving

Budworms eating on tips of white spruce. Black Brook, J.D.Irving.

Petawawa - PNre - normal and fastigiate form (grafts)