Peridermium harknessii on jack pine. N.B. repeated branching. Sapawe

Aerial photographs of large areas of dull green regrowth after 1935 and 1942 forest fires near Perrigo Lake, Ontario. Patches of older unburnt forest stands can also be seen littering the landscape. The lake can also clearly be seen in photographs B…

Aerial photographs of large areas of dull green regrowth after a 1942 forest fire near Perrigo Lake, Ontario. Areas of green unburnt forest stands can also be seen littering the landscape. The lake can also clearly be seen in the photographs.

Aerial photograph of a large area of shorter regrowth scattered amongst older and taller forest stands near Perrigo Lake, Ontario. Small parts of the lake can also be seen.

Soil type: #41

Photographs of forest stands near Perrigo Lake, Ontario. The photographs were taken from across a body of water which can be seen at the bottom of the images. A small amount of burnt trees can be seen but the stands appear to be mostly…

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.