Towill, W.D.
-
Ten years of vegetation succession following ground-applied release treatments in young black spruce plantations
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.
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.
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.
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.
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)