Pine seedlings germinating in plastic house Fort Frances

Black spruce 1+0 seedlings frost-heaved in seedbed at Dryden Nursery

Black spruce 3+0 seedlings showing winter burn from desiccation. Dryden Nursery.

Black spruce 3+0 seedlings showing winter burn from desiccation. Dryden Nursery

White spruce (some black) 35yrs, after thinning. Shebandowan, Thunder Bay

Root system of black spruce planted 1962, 2m. height. Photo June 1971 Sanford Mutrie, Dryden Paper Co.

Black spruce planted 1962, at 9 yrs. Photo 1971. Sanford Mutrie, Dryden Paper Co. cf slide 551 of root system same trees.

Adelges spp. on black spruce

Mouse damage on jack pine in dense regeneration from seeding. N.B. height of feeding - mice tunneling through snow. Dryden Paper Co

Mouse damage on jack pine in dense regeneration from seeding. N.B. height of feeding - mice tunneling through snow. Dryden Paper Co