Landscape view across Petawawa Management Unit, now part of AFA's area in Algonquin park, to show pine forest. N.B. dead tree killed by blister rust.

Ponderosa pine with dense groundcover of Manzanita and Arctostaphylus parryana. SE Oregon.

Natural regeneration of red spruce under mature tree in mixed stand of hard maple, birch and red spruce

Ponderosa pine in open area, logged and with bark beetle damage. N.B. no regeneration. Near Princeton.

Natural regeneration of red spruce and hemlock in mixed stand. N.B. person in blue shirt is Dr. I.C.M.(Cam) Place

Dense lower story of natural red spruce under hard maple and yellow birch. Bowaters Mersey, Nova Scotia. Area had been heavily cut 20+ yrs before.

Mixed ponderosa and lodgepole pine, at 200yrs, after fire. N.B. regeneration in opening. Antelope Tree Farm of Weyerhaeuser SE. Oregon.

Ponderosa pine at Weyerhaeuser's Antelope tree farm in SE. Oregon N.B. pine regeneration in openings following past harvesting.

Ponderosa pine at Weyerhauser's Antelope tree farm in SE. Oregon. N.B. pine regeneration in openings following past harvesting.

Engelmann spruce in Manning Provincial Park. Ht. 45m.