Jack pine seeded 1974-1976. Precommercially thinned 1986 to 3,000/ha. Aubrey Twp. Dryden

Jack pine seeded 1974-76. Precommercial thinned 1986 to 3,000/hectare. Person is Linda Pilkey. Aubrey Twp. Dryden

Jack pine seeded 1974-76. Precommercially thinned 1986 to 3,000/ha. Aubrey Twp. Dryden

Jack pine showing mid-zone of foliage mortality, lower foliage was below snow, and upper was in cold air; middle foliage was subject to heating from reflection off snow/ice surface. Person R.D. Carm.

Jack pine sown late June, photo August. Person is Frank Robinson. Abitibi-Price, Camp 228, Thunder Bay

Jack pine tubed seedling one year after planting. Watabeag Management Unit. N.B. barrel furrow in which it is growing. Cf. slide #222

Jack pine with understory black spruce. Engelhart Management Unit, Swastika.

Cutover prescribe burned in July 1978. Burrows Lake, Geraldton. Photo one week after-burn.

View from water of shoreline, Burrows Lake prescribed burn in July, 1978. N.B. Canoeists complained about fire burning to edge of lake. Geraldton.

Jack pine-white spruce planted in alternate rows, 1954 by Great Lakes Forest Products, Thunder Bay. After 26 years. Height 10 metres; Diameter at breast height 16 centimetres; Base Area 20 square metres cf slide # 1625