Haavisto, V.F.
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Development of the "backscratcher" for site preparation 1973 - 1987. NODA File Report 21.
Atkinson, G.T.; Haavisto, V.F.
Year: 1996
Catalog ID: 32416
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Black spruce cone crop periodicity in northern Ontario. Frontline Technical Note 27.
Haavisto, V.F.; Atkinson, G.T.; Skeates, D.A.
Year: 1996
Catalog ID: 9209
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Intermediate crown class black spruce cones have more seed. Frontline Technical Note 29.
Atkinson, G.T.; Haavisto, V.F.
Year: 1996
Catalog ID: 9176
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Heavier black spruce seeds produce more vigorous seedlings. Frontline Technical Note 31.
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Fertilization improves black spruce seed orchard cone production. Frontline Technical Note 28.
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Operational drainage: planning, costs and impact mitigation. Frontline Technical Note 63.
Haavisto, V.F.; Jeglum, J.K.; Wearn, V.H.
Year: 1995
Catalog ID: 9208
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Snow-caching: on-site interim storage of planting stock. Frontline Technical Note 55.
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Logging slash can preclude black spruce regeneration on peatland cutovers. Frontline Technical Note 52.
Haavisto, V.F.; Atkinson, G.T.
Year: 1995
Catalog ID: 9206
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Black spruce seeds short-lived on boreal forest seedbeds. Frontline Technical Note 33.
Haavisto, V.F.; Fraser, J.W.; Mattice, C.R.
Year: 1995
Catalog ID: 9205
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Collecting black spruce cones. Frontline Technical Note 32.
Haavisto, V.F.; Commanda, E.; Kott, D.
Year: 1995
Catalog ID: 9204
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Larger black spruce cones produce more and heavier seeds. Frontline Technical Note 30.
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Variability in black spruce cone and seed production. Frontline Technical Note 26.
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Black spruce in Ontario: an overview. Frontline Technical Note 25.
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Bibliography of black spruce literature published by the Canadian Forest Service, Ontario, Great Lakes Forestry Centre 1965-1995. O-X-449.
Haavisto, V.F.; Cameron, D.A.; Crook, G.W.
Year: 1995
Catalog ID: 9128
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Managing black spruce stands for peripheral seed supply. Frontline Technical Note 14.
Atkinson, G.T.; Haavisto, V.F.
Year: 1992
Catalog ID: 9175
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Peatland potentially available for forestry in Canada.
Year: 1991
Catalog ID: 21810
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Space to grow: spacing and thinning in northern Ontario.
Haavisto, V.F.; Smith, C.R.; Mason, C.
Year: 1991
Catalog ID: 9301
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Deterioration of black spruce seed during in-situ storage and processing
Skeates, D.A.; Irving, D.E.; Haavisto, V.F.
Year: 1989
Catalog ID: 22400
Issued by: Great Lakes Forestry Centre
Availability: Order paper copy (free)
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Management practices - black spruce ecosystem.
Haavisto, V.F.; Jeglum, J.K.; Groot, A.
Year: 1988
Catalog ID: 29233
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Seasonal damage by insects and squirrels to female reproductive structures of black spruce, Picea mariana (Mill.) B.S.P.
Prévost, Y.H.; Laing, J.E.; Haavisto, V.F.
Year: 1988
Catalog ID: 22265
Issued by: Great Lakes Forestry Centre
Availability: Order paper copy (free)
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Potential and actual yields of seed from black spruce cones.
Haavisto, V.F.; Fleming, R.L.; Skeates, D.A.
Year: 1988
Catalog ID: 21807
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Planning operational drainage in boreal forest peatlands.
Year: 1987
Catalog ID: 37111
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Black spruce cone and seed production: yields from Ontario collections.
Year: 1987
Catalog ID: 37104
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Intensifying forestry use of peatlands with drainage in Ontario
Year: 1987
Catalog ID: 21812
Issued by: Great Lakes Forestry Centre
Availability: Order paper copy (free)
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Climate, water and drainage in peatlands.
Haavisto, V.F.; Groot, A.; Jeglum, J.K.
Year: 1987
Catalog ID: 21808
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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A case for improving the efficiency of seed extraction from black spruce (Picea mariana (Mill) B.S.P.) cones.
Year: 1986
Catalog ID: 21718
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Forestry study tour of Finland.
Year: 1984
Catalog ID: 21809
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Peatland forestry in Ontario: An overview
Jeglum, J.K.; Haavisto, V.F.; Groot, A.
Year: 1983
Catalog ID: 21873
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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The retention of seed viability in semi-serotinous black spruce cones.
Year: 1982
Catalog ID: 37105
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Finnish foresters give their impressions of forestry in Ontario.
Year: 1982
Catalog ID: 37091
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Flushing black and white spruce flowers as an aid in predicting cone crops
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Prediction equations for black spruce seed production and dispersal in northern Ontario
Year: 1982
Catalog ID: 22126
Issued by: Great Lakes Forestry Centre
Availability: Order paper copy (free)
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Flushing black and white spruce flowers as an aid in predicting cone crops
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Developments in mechanical cone harvesting.
Year: 1980
Catalog ID: 37094
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Seed requirement for regenerating black spruce in Ontario.
Year: 1980
Catalog ID: 37093
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Some considerations for peatland regeneration.
Year: 1980
Catalog ID: 37092
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Upland scarification and sphagnum seedbeds.
Year: 1980
Catalog ID: 35545
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Cone and seed production, and some Ontario experiences in regenerating peatland black spruce.
Year: 1979
Catalog ID: 37106
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Lowland black spruce seedfall: viable seedfall peaks in mid-April.
Year: 1979
Catalog ID: 37097
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Comments on black spruce seed and seedling requirements in Kapuskasing district, and on mechanical cone procurement.
Year: 1979
Catalog ID: 37096
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Quelques aspects de la régéneration de l'épinette noire dans les tourbières du clay belt du nord de l'Ontario.)O-X-295F.
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Some considerations for regenerating black spruce on peatlands in the northern clay forest section, Ontario. O-X-295.
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Germination of black spruce and jack pine seed on soil and germination paper media following parquat herbicide spraying.
Year: 1977
Catalog ID: 38005
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Germination of black spruce and jack pine seed on soil and germination paper media following paraquat herbicide spraying.
Year: 1977
Catalog ID: 37098
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Capabilities of a modified timberjack and a terrain master for ditching on peatlands. O-X-264.
Haavisto, V.F.; Atkinson, G.T.
Year: 1977
Catalog ID: 29848
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Black spruce regeneration on strip cuts and clearcuts in the Nipigon and Cochrane areas of Ontario. O-X-246.
Fraser, J.W.; Haavisto, V.F.; Jeglum, J.K.; Dai, T.S.; Smith, D.W.
Year: 1976
Catalog ID: 8923
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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Peatland black spruce seed production and dispersal in northeastern Ontario.
Year: 1975
Catalog ID: 33660
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Germination of black spruce and jack pine seed at 0.5 degrees C.
Year: 1974
Catalog ID: 38008
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Effects of heavy rainfall on redox potential and acidity of a waterlogged peat.
Year: 1974
Catalog ID: 37102
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Greenhouse and field trials of Gramoxone and PP493 Herbicides on boreal forest vegetation of northeastern Ontario.
Year: 1974
Catalog ID: 37100
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Water level fluctuation in a northeastern Ontario peatland.
Year: 1974
Catalog ID: 37099
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Sphagnum mosses of Ontario: Identification by macroscopic features. O-X-216.
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Toward a wetland classification for Ontario. O-X-54.
Jeglum, J.K.; Boissonneau, A.N.; Haavisto, V.F.
Year: 1974
Catalog ID: 8892
Issued by: Great Lakes Forestry Centre
Availability: PDF (download)
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The potential for using aerial photographs for classifying the site quality of peatlands. O-X-183.
