Towill, W.D.
-
Ten years of vegetation succession following ground-applied release treatments in young black spruce plantations. 2004. Pitt, D.G.; Wagner, R.G.; Towill, W.D. Northern Journal of Applied Forestry 21: 123-134.
Pitt, D.G.; Wagner, R.G.; Towill, W.D.
Year: 2004
Catalog ID: 25152
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Stand and site conditions associated with the occurrence and abundance of black spruce advance growth in north central Ontario. 1990. Wickware, G.M.; Towill, W.D.; Sims, R.A. Pages 131-142 in B.D. Titus; M.B. Lavigne, P.F. Newton and W.J. Meades, editors. the Silvics and Ecology of Boreal Spruces. IUFRO Working Party s1.05. The 12 Symposium of the Proceedings held in Newfoundland, 12-17 August. 1989. Forestry Canada Information Report N-X-271.
Wickware, G.M.; Towill, W.D.; Sims, R.A.
Year: 1990
Catalog ID: 38551
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Some options for prime land and prime site classification. 1989. Towill, W.D.; Sims, R.A. Pages 63-80 in R.F. Calvert, B. Payandeh, and M.F. Squires, compilers. Forest investment: a critical look. Proceedings of a symposium, November 15-16, 1988, Thunder Bay, Ontario. Canadian Forestry Service, Great Lakes Forestry Centre, Sault Ste. Marie, Ontario, COJFRC Symposium Proceedings O-P 17, Ontario Ministry of Natural Resources, Sault Ste. Marie, Ontario. 216 p.
Year: 1989
Catalog ID: 22610
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
Field guide to the forest ecosystem classification for northwestern Ontario. 1989. Sims, R.A.; Towill, W.D.; Baldwin, K.A.; Wickware, G.M. Canadian Forestry Service, Ontario Region, Sault Ste. Marie, Ontario, Ontario Ministry of Natural Resources, Thunder Bay, Ontario. 191 p.
Sims, R.A.; Towill, W.D.; Baldwin, K.A.; Wickware, G.M.
Year: 1989
Catalog ID: 22144
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
-
Alternative strip clearcutting in upland black spruce. VIII. Shallow-soil ecosystems and their classification. 1988. Sims, R.A.; Towill, W.D. The Forestry Chronicle 64: 70-75.
Year: 1988
Catalog ID: 22391
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
-
A status report on a forest ecosystem classification (FEC) program for Ontario's north central region. 1983. Sims, R.A.; Towill, W.D.; Wickware,G.M. COJFRC Symposium Proceedings O-P-14. p72-82.
Sims, R.A.; Towill, W.D.; Wickware, G.M.
Year: 1983
Catalog ID: 33675
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)