van Sickle, G.A.
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The forest insect and disease survey in the pacific region
van Sickle, G.A.; Fiddick, R.L.; Wood, C.S.
Year: 2001
Catalog ID: 19670
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Five-year overview of forest health surveys in young managed stands in British Columbia, 1991-1995
Nevill, R.J.; Humphreys, N.; van Sickle, G.A.
Year: 1996
Catalog ID: 4668
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Forest insect and disease diagnosis and management using expert system-guided hypermedia
Thomson, A.J.; van Sickle, G.A.
Year: 1996
Catalog ID: 4589
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Forest insect and disease conditions, British Columbia and Yukon – 1995
Humphreys, N.; van Sickle, G.A.
Year: 1996
Catalog ID: 4254
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Predictive capabilities of a pheromone-based monitoring system for western hemlock looper (Lepidoptera: Geometridae)
Evenden, M.L.; Borden, J.H.; van Sickle, G.A.
Year: 1995
Catalog ID: 4630
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Development of a pheromone-based monitoring system for western hemlock looper (Lepidoptera: Geometridae): Effect of pheromone dose, lure age, and trap type
Evenden, M.L.; Borden, J.H.; van Sickle, G.A.; Gries, G.
Year: 1995
Catalog ID: 4628
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Three-year overview of forest health in young managed stands in British Columbia 1992-1994
Nevill, R.J.; Humphreys, N.; van Sickle, G.A.
Year: 1995
Catalog ID: 4178
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Historical western hemlock looper outbreaks in British Columbia: input and analysis using a geographical information system
Parfett, N.; Otvos, I.S.; van Sickle, G.A.
Year: 1995
Catalog ID: 4169
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Forest pest conditions in the Pacific and Yukon region: a mid-season summary
Humphreys, N.; van Sickle, G.A.
Year: 1995
Catalog ID: 4122
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Computer-based training in tree damage assessment
Thomson, A.J.; van Sickle, G.A.
Year: 1995
Catalog ID: 4066
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Distribution and hosts of the white pine weevil in Canada
Humble, L.M.; Humphreys, N.; van Sickle, G.A.
Year: 1994
Catalog ID: 21782
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Forest insect and disease conditions British Columbia and Yukon, 1994
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Surveys of forest health in managed stands in British Columbia, 1993
Hodge, J.C.; Humphreys, N.; van Sickle, G.A.
Year: 1994
Catalog ID: 3919
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Using a Geographical Information System for the input and analysis of historical western spruce budworm in British Columbia
Parfett, N.; Clarke, D.H.L.; van Sickle, G.A.
Year: 1994
Catalog ID: 3915
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Mapping western budworm in BC: a historical perspective to improve tree health
Parfett, N.; Clarke, D.H.L.; van Sickle, G.A.
Year: 1994
Catalog ID: 3452
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Surveys of forest health in managed stands in British Columbia, 1992
Hodge, J.C.; Humphreys, N.; van Sickle, G.A.
Year: 1994
Catalog ID: 3416
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Pinewood nematode and its wood borer vector in western hemlock
van Sickle, G.A.; Seed, J.; Ring, F.M.
Year: 1993
Catalog ID: 3483
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Mineral contents of coniferous foliage from Forestry Canada's ARNEWS plots: Pacific and Yukon Region. June 1993
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Forest insect and disease conditions, British Columbia and Yukon 1992
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Forest insect and disease conditions - British Columbia and Yukon, 1993
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Host and vector surveys for the pinewood nematode, Bursaphelenchus xylophilus (Steiner and Buhrer) Nickle (Nematoda: Aphelenchoididae) in Canada. Information Report N-X-285.
Magasi, L.P.; Lachance, D.A.; Myren, D.T.; Cerezke, H.F.; van Sickle, G.A.
Year: 1992
Catalog ID: 37893
Issued by: Great Lakes Forestry Centre
Availability: PDF (download), PDF (request by e-mail)
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Susceptibility of western hemlock to pinewood nematode and its wood borer vector
Ring, F.M.; White, K.; van Sickle, G.A.
Year: 1992
Catalog ID: 31649
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Pine needle scale in the Pacific and Yukon Region
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Assessment of aerial photographs and multi-spectral scanner imagery for measuring mountain pine beetle damage
Gimbarzevsky, P.; Dawson, A.F.; van Sickle, G.A.
Year: 1992
Catalog ID: 3265
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Surveys of forest health in young stands in British Columbia
Humphreys, N.; van Sickle, G.A.
Year: 1992
Catalog ID: 3204
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Forest insect and disease conditions, British Columbia and Yukon - 1991
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A review of innovations in disease and insect management and control
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Pinewood nematode surveys Pacific & Yukon Region
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Pest management tools for managing the boreal mixedwood forest
Volney, W.J.A.; van Sickle, G.A.
Year: 1991
Catalog ID: 19166
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (download)
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Forest insect and disease conditions British Columbia and Yukon 1990
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Pinewood nematode host exemption surveys
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Forest insect and disease conditions, British Columbia and Yukon 1989
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Forest insect and disease conditions in the Pacific Region: a mid-season summary
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Forest insect and disease conditions British Columbia and Yukon, 1988
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GIS - A tool in forest pest management
Year: 1989
Catalog ID: 2896
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Spatial relationships of Douglas-fir tussock moth defoliation within habitat and climatic zones
Shepherd, R.F.; van Sickle, G.A.; Clarke, D.H.L.
Year: 1989
Catalog ID: 2879
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Western spruce budworm in British Columbia in 1988
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Impact of pine stem rusts of hard pines in Alberta and the Northwest Territories
Hiratsuka, Y.; Powell, J.M.; van Sickle, G.A.
Year: 1988
Catalog ID: 11781
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (download)
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Forest pest conditions in the Pacific Region: a midseason summary
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Pests - What they look like, what they do
van Sickle, G.A.; Miller, G.E.
Year: 1988
Catalog ID: 2776
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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FIDS Infobase/Overlay - A pest data base and geographic information system
van Sickle, G.A.; Humble, L.M.
Year: 1988
Catalog ID: 2775
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Status of important forest pests, experimental control projects and vegetation management research - Pacific Region
Year: 1988
Catalog ID: 2774
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Forest insect and disease conditions – British Columbia and Yukon, 1987
Wood, C.S.; van Sickle, G.A.; Humble, L.M.
Year: 1987
Catalog ID: 2690
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Forest insect and disease conditions – British Columbia and Yukon, 1986
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Pacific Region--1987 Status of important forest pests and experimental control projects
Year: 1987
Catalog ID: 2675
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Host responses
Year: 1987
Catalog ID: 2674
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Forest pest conditions in the Pacific Region--A mid-season summary
Year: 1986
Catalog ID: 2590
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Forest insect and disease conditions British Columbia & Yukon 1985
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The mountain pine beetle situation in British Columbia 1984
Year: 1985
Catalog ID: 2571
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Effects of infestations on trees and stands
Year: 1985
Catalog ID: 2570
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Aerial surveys for pest damage assessment
Year: 1985
Catalog ID: 2569
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Mid-season summary of forest pest conditions in British Columbia & Yukon
Year: 1985
Catalog ID: 2490
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Forest insect and disease conditions in British Columbia & Yukon, 1984
Wood, C.S.; van Sickle, G.A.; Shore, T.L.
Year: 1985
Catalog ID: 2488
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Quantification of Douglas-fir growth losses caused by western spruce budworm defoliation using stem analysis
Alfaro, R.I.; Thomson, A.J.; van Sickle, G.A.
Year: 1984
Catalog ID: 2450
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Variation in susceptibility to sweet fern rust among Pinus contorta and P. banksiana
Year: 1984
Catalog ID: 2409
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Forest insect and disease conditions - British Columbia and Yukon 1983
Wood, C.S.; van Sickle, G.A.; Shore, T.L.
Year: 1984
Catalog ID: 2308
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Tree-crown defoliation measurement from digitized photographs
Lee, Y.J.; Alfaro, R.I.; van Sickle, G.A.
Year: 1983
Catalog ID: 2427
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Douglas-fir height growth affected by western spruce budworm
van Sickle, G.A.; Alfaro, R.I.; Thomson, A.J.
Year: 1983
Catalog ID: 2337
Issued by: Pacific Forestry Centre
Availability: Not available through the CFS (click for more information).
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Forest insect and disease conditions: British Columbia and Yukon, 1982
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Appraising damage by forest pests
Year: 1983
Catalog ID: 2306
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Survey for dwarf mistletoe infection in lodgepole pine regeneration under mountain pine beetle-attacked stands in the Chilcotin. Special Report
Shore, T.L.; Andrews, R.J.; van Sickle, G.A.
Year: 1982
Catalog ID: 30827
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Forest insect and disease conditions, British Columbia and Yukon, 1981
Fiddick, R.L.; van Sickle, G.A.
Year: 1982
Catalog ID: 2204
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Evaluating effects of western spruce budworm on Douglas-fir volume growth
Thomson, A.J.; Alfaro, R.I.; van Sickle, G.A.
Year: 1982
Catalog ID: 2193
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Tree mortality and radial growth losses caused by the western spruce budworm in a Douglas-fir stand in British Columbia
Alfaro, R.I.; van Sickle, G.A.; Thomson, A.J.; Wegwitz, E.
Year: 1982
Catalog ID: 2168
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Position paper on mountain pine beetle problems with special reference to the Rocky Mountain parks region
Safranyik, L.; van Sickle, G.A.; Manning, G.H.
Year: 1981
Catalog ID: 2043
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Forest insect and disease conditions: British Columbia and Yukon 1980
Fiddick, R.L.; van Sickle, G.A.
Year: 1980
Catalog ID: 2055
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Estimation of tree growth losses caused by pest activity
Thomson, A.J.; van Sickle, G.A.
Year: 1980
Catalog ID: 2049
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Sawfly infestation near Kelsey Bay, Vancouver Island
van Sickle, G.A.; Fiddick, R.L.
Year: 1979
Catalog ID: 30777
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Forest insect and disease conditions, British Columbia and Yukon, 1979
Fiddick, R.L.; van Sickle, G.A.
Year: 1979
Catalog ID: 1880
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Silvicultural control of dwarf mistletoe in young lodgepole pine stands in Alberta and British Columbia
Year: 1978
Catalog ID: 3990
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Dwarf mistletoe controls in British Columbia
Year: 1978
Catalog ID: 1915
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Damage appraisal cruises in spruce budworm defoliated stands of Douglas-fir in 1977
Collis, D.G.; van Sickle, G.A.
Year: 1978
Catalog ID: 1853
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Status of western spruce budworm on Douglas-fir in British Columbia
Shepherd, R.F.; Harris, J.W.E.; van Sickle, G.A.; Fiddick, R.L.; McMullen, L.H.
Year: 1977
Catalog ID: 30738
Issued by: Pacific Forestry Centre
Availability: PDF (download)
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Seasonal periodicity in the discharge of Pucciniastrum goepertianum basidiospores
Year: 1977
Catalog ID: 1699
Issued by: Pacific Forestry Centre
Availability: PDF (request by e-mail)
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Forest pest conditions in the Maritime Provinces in 1974 with an outlook for 1975
Forbes, R.S.; Underwood, G.R.; van Sickle, G.A.
Year: 1975
Catalog ID: 7676
Issued by: Atlantic Forestry Centre
Availability: PDF (download)
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Basidiospore production and infection of balsam fir by a needle rust, Pucciniastrum goeppertianum
Year: 1975
Catalog ID: 7582
Issued by: Atlantic Forestry Centre
Availability: PDF (request by e-mail)
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A guide to elm tree removal in urban areas
van Sickle, G.A.; Urquhart, D.A.
Year: 1974
Catalog ID: 7667
Issued by: Atlantic Forestry Centre
Availability: PDF (download)
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Forest pest conditions in the Maritimes in 1973 with an outlook for 1974
Forbes, R.S.; Underwood, G.R.; van Sickle, G.A.
Year: 1974
Catalog ID: 7666
Issued by: Atlantic Forestry Centre
Availability: PDF (download)
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Nectria canker: a problem on black locust in New Brunswick
Year: 1974
Catalog ID: 7581
Issued by: Atlantic Forestry Centre
Availability: PDF (request by e-mail)
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Growth loss caused by needle rust (Pucciniastrum goeppertianum) of balsam fir
Year: 1974
Catalog ID: 7580
Issued by: Atlantic Forestry Centre
Availability: PDF (request by e-mail)
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Epidemiology and impact of a needle rust (Pucciniastrum goeppertianium) on Abies balsamea
Year: 1973
Catalog ID: 8707
Issued by: Atlantic Forestry Centre
Availability: Order paper copy (free)
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A survey of production losses due to witches' broom of blueberry in the Maritime provinces
Year: 1973
Catalog ID: 7579
Issued by: Atlantic Forestry Centre
Availability: PDF (request by e-mail)
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A quantitative survey for needle rust of balsam fir
Year: 1973
Catalog ID: 7578
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).
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Epidemiology and impact of a needle rust (Pucciniastrum goeppertianum) on Abies balsamea
Year: 1972
Catalog ID: 7577
Issued by: Atlantic Forestry Centre
Availability: PDF (request by e-mail)
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Occurrence of Cronartium comptoniae in the Maritime provinces
Year: 1969
Catalog ID: 7576
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).
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Occurrence of Peridium harknessii of the Cronartium coleosporioides complex confirmed in the Maritime provinces
van Sickle, G.A.; Newell, W.R.
Year: 1968
Catalog ID: 7583
Issued by: Atlantic Forestry Centre
Availability: Not available through the CFS (click for more information).
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Fomes annosus in eastern Canada
Redfern, D.B.; van Sickle, G.A.
Year: 1968
Catalog ID: 7385
Issued by: Atlantic Forestry Centre
Availability: Order paper copy (free)
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Assessment of decay in pruned coniferous stands in Nova Scotia
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A field manual of tree diseases in the Maritimes Region
