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Publications by R.I. Alfaro

110 records.

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Pest outbreak distribution and forest management impacts in a changing climate in British Columbia.
Murdock, T.Q.; Taylor, S.W.; Flower, A.; Mehlenbacher, A.; Montenegro, A.; Zwiers, F.W.; Alfaro, R.I.; Spittlehouse, D.L.
Year: 2012    Catalog ID: 34388
Available from: Pacific Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1016/j.envsci.2012.07.026
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Linking aerial survey data of forest insect defoliation and tree ring data to estimate forest level growth losses
Magnussen, S.; Alfaro, R.I.
Year: 2012    Catalog ID: 34165
Available from: Pacific Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1016/j.dendro.2012.03.001
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Sustainability of boreal forests and forestry in a changing environment
Burton, P.J.; Bergeron, Y.; Bogdanski, B.E.C.; Juday, G.P.; Kuuluvainen, T.; McAfee, B.J.; Ogden, A.E.; Teplyakov, V.K.; Alfaro, R.I.; Francis, D.A.; Gauthier, S.; Hantula, J.
Year: 2010    Catalog ID: 32070
Available from: Laurentian Forestry Centre
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Forests and Society – Responding to Global Drivers of Change. IUFRO World Series Volume 25
Mery, G.; Katila, P.; Galloway, G.; Alfaro, R.I.; Kanninen, M.; Lobovikov, M.; Varjo, J.
Year: 2010    Catalog ID: 31874
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
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Historical frequency, intensity and extent of mountain pine beetle disturbance in British Columbia
Alfaro, R.I.; Campbell, E.; Hawkes, B.C.
Year: 2010    Catalog ID: 31405
Available from: Pacific Forestry Centre
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Changes in stand structure in uneven-aged lodgepole pine stands impacted by mountain pine beetle epidemics and fires in central British Columbia
Axelson, J.N.; Alfaro, R.I.; Hawkes, B.C.
Year: 2010    Catalog ID: 31402
Available from: Pacific Forestry Centre
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Influence of fire and mountain pine beetle on the dynamics of lodgepole pine stands in British Columbia, Canada
Axelson, J.N.; Alfaro, R.I.; Hawkes, B.C.
Year: 2009    Catalog ID: 29479
Available from: Pacific Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1016/j.foreco.2009.01.047
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Effects of temperature and water activity on Lecanicillium spp. conidia germination and growth, and mycosis of Pissodes strobi
Kope, H.H.; Alfaro, R.I.; Lavallée, R.
Year: 2008    Catalog ID: 29876
Available from: Pacific Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1007/s10526-007-9087-z
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Molecular characterization of the entomopathogenic fungi Lecanicillium spp. (Deuteromycota: Hyphomycetes) isolated from white pine weevil, Pissodes strobi (Coleoptera: Curculionidae), in British Columbia
Leal, I.; Alfaro, R.I.; Lim, Y.W.; Kope, H.H.
Year: 2008    Catalog ID: 29271
Available from: Pacific Forestry Centre
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Screening of Sitka spruce genotypes for resistance to the white pine weevil using artificial infestations
Alfaro, R.I.; King, J.N.; Brown, R.G.; Buddingh, S.M.
Year: 2008    Catalog ID: 28239
Available from: Pacific Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1016/j.foreco.2007.11.032
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The threat of the ambrosia beetle Megaplatypus mutatus (Chapuis) (=Platypus mutatus Chapuis) to world poplar resources
Alfaro, R.I.; Humble, L.M.; Gonzales, P.; Villaverde, R.; Allegro, G.
Year: 2007    Catalog ID: 28049
Available from: Pacific Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1093/forestry/cpm029
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Potential of Beauveria bassiana (Hyphomycetes: Moniliales) for controlling the white pine weevil, Pissodes strobi (Col., Curculionidae).
Trudel, R.; Lavallée, R.; Guertin, C.; Côté, C.; Todorova, S.I.; Kope, H.H.; Alfaro, R.I.
Year: 2007    Catalog ID: 26995
Available from: Laurentian Forestry Centre
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Spatial distribution of mountain pine beetle outbreaks in relation to climate and stand characteristics: a dendroecological analysis
Campbell, E.; Alfaro, R.I.; Hawkes, B.C.
Year: 2007    Catalog ID: 26732
Available from: Pacific Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1111/j.1744-7909.2007.00423.x
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Virulence of the entomopathogenic fungus Lecanicillium (Deuteromycota: Hyphomycetes) to Pissodes strobi (Coleoptera: Curculionidae)
Kope, H.H.; Alfaro, R.I.; Lavallée, R.
Year: 2006    Catalog ID: 26208
Available from: Pacific Forestry Centre
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Forest, climate and mountain pine beetle outbreak dynamics in western Canada
Taylor, S.W.; Carroll, A.L.; Alfaro, R.I.; Safranyik, L.
Year: 2006    Catalog ID: 26040
Available from: Pacific Forestry Centre
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Identification of volatile emissions from Platypus mutatus (=sulcatus) (Coleoptera: Platypodidae) and their behavioral activity
Audino, P.G.; Villaverde, R.; Alfaro, R.I.; Zerba, E.
Year: 2005    Catalog ID: 29428
Available from: Pacific Forestry Centre
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A framework for poplar plantation risk assessments
Volney, W.J.A.; Alfaro, R.I.; Bothwell, P.M.; Hogg, E.H.; Hopkin, A.A.; Laflamme, G.; Hurley, J.E.; Warren, G.R.; Metsaranta, J.M.; Mallett, K.I.
Year: 2005    Catalog ID: 25725
Available from: Northern Forestry Centre
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Changing paradigms in forestry: repercussions for people and nature
Mery, G.; Alfaro, R.I.; Kanninen, M.; Lobovikov, M.
Year: 2005    Catalog ID: 25610
Available from: Pacific Forestry Centre
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Forests in the global balance - changing paradigms
Mery, G.; Alfaro, R.I.; Kanninen, M.; Lobovikov, M.
Year: 2005    Catalog ID: 25524
Available from: Pacific Forestry Centre
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Survival-Time Analysis of White Spruce during Spruce Budworm Defoliation
Magnussen, S.; Alfaro, R.I.; Boudewyn, P.A.,
Year: 2005    Catalog ID: 25498
Available from: Pacific Forestry Centre
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Weevil resistance of progeny derived from putatively resistant and susceptible interior spruce parents
Alfaro, R.I.; vanAkker, L.; Jaquish, B.; King, J.
Year: 2004    Catalog ID: 25107
Available from: Pacific Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1016/j.foreco.2004.08.001
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Impact of mountain pine beetle on stand dynamics in British Columbia
Hawkes, B.C.; Taylor, S.W.; Stockdale, C.; Shore, T.L.; Alfaro, R.I.; Campbell, R.A.; Vera, P.
Year: 2004    Catalog ID: 25048
Available from: Pacific Forestry Centre
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Dendroecological reconstruction of mountain pine beetle outbreaks in the Chilcotin Plateau of British Columbia
Alfaro, R.I.; Campbell, R.A.; Vera, P.; Hawkes, B.C.; Shore, T.L.
Year: 2004    Catalog ID: 25053
Available from: Pacific Forestry Centre
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Spatial prediction of the onset of spruce budworm defoliation
Magnussen, S.; Boudewyn, P.A.,; Alfaro, R.I.
Year: 2004    Catalog ID: 24918
Available from: Pacific Forestry Centre
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Effects of fertilization on resin canal defences and incidence of Pissodes strobi attack in interior spruce
vanAkker, L.; Alfaro, R.I.; Brockley, R.P.
Year: 2004    Catalog ID: 24512
Available from: Pacific Forestry Centre
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Spruce budworm damage assessment in northern forests from high resolution satellite imagery
Leckie, D.G.; Cloney, E.E.; Gougeon, F.A.; Hill, D.A.; Shand, A.; Alfaro, R.I.
Year: 2003    Catalog ID: 25314
Available from: Pacific Forestry Centre
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Distribution and life cycle of Rhyacionia buoliana (Lepidoptera: Tortricidae) in the interior of British Columbia
Heeley, T.; Alfaro, R.I.; Humble, L.M.; Strong, W.L.
Year: 2003    Catalog ID: 24367
Available from: Pacific Forestry Centre
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Managing spruce budworm in Canada within the framework of ecosystem management
Alfaro, R.I.; Shand, A.; Nealis, V.G.; Volney, W.J.A.; Fleming, R.A.
Year: 2003    Catalog ID: 23839
Available from: Pacific Forestry Centre
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Periodicity of two-year cycle spruce budworm outbreaks in Central British Columbia
Zhang, Qi-Bin; Alfaro, R.I.
Year: 2002    Catalog ID: 21223
Available from: Pacific Forestry Centre
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Mechanisms of resistance in conifers against shoot infesting insects. The case of the white pine weevil Pissodes strobi (Peck) (Coleoptera: Curculionidae)
Alfaro, R.I.; Borden, J.H.; King, J.N.; Tomlin, E.S.; McIntosh, R.L.; Bohlmann, J.
Year: 2002    Catalog ID: 20578
Available from: Pacific Forestry Centre
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Historical and spatial characteristics of spruce budworm Choristoneura fumiferana (Clem.) (Lepidoptera: Tortricidae) outbreaks in northeastern British Columbia
Burleigh, J.S.; Alfaro, R.I.; Borden, J.H.; Taylor, S.P.
Year: 2002    Catalog ID: 20556
Available from: Pacific Forestry Centre
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Geographic variation in resin canal defenses in seedlings from the Sitka spruce x white spruce introgression zone
O'Neill, G.A.; Aitken, S.N.; King, J.N.; Alfaro, R.I.
Year: 2002    Catalog ID: 19361
Available from: Pacific Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1139/x01-206
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Somatic embryogenesis as a delivery system for specialty products with reference to resistant Sitka spruce to the white pine weevil
El-Kassaby, Y.A.; Alfaro, R.I.; King, J.; Ying, C.C.; Yanchuk, A.; Leal, I.
Year: 2001    Catalog ID: 30965
Available from: Pacific Forestry Centre
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Potential of Shoot and Twig Insects as Exotics
Alfaro, R.I.; Heeley, T.; Humble, L.M.
Year: 2001    Catalog ID: 21783
Available from: Pacific Forestry Centre
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Screening of Sitka spruce genotypes for resistance to the white pine weevil in British Columbia
King, J.N.; Alfaro, R.I.
Year: 2001    Catalog ID: 19319
Available from: Pacific Forestry Centre
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Changes in cortical and wood terpenes in Sitka spruce in response to wounding
Nault, J.R.; Alfaro, R.I.
Year: 2001    Catalog ID: 18679
Available from: Pacific Forestry Centre
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The relationship between biogeoclimatic zones and defoliation by the two-year cycle spruce budworm in Central British Columbia
Shand, A.; Alfaro, R.I.; Taylor, S.P.; Low, B.; Quenet, R.V.
Year: 2001    Catalog ID: 18315
Available from: Pacific Forestry Centre
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Susceptibility of northern British Columbia forests to spruce budworm defoliation
Alfaro, R.I.; Taylor, S.P.; Brown, R.G.; Clowater, J.S.
Year: 2001    Catalog ID: 18267
Available from: Pacific Forestry Centre
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Screening of Sitka spruce (Picea sitchensis) seedlings for resistance to the white pine weevil (Pissodes strobi) in caging experiment
Klimaszewski, J.; Bernier-Cardou, M.; Cyr, D.R.; Alfaro, R.I.; Lewis, K.G.
Year: 2000    Catalog ID: 20468
Available from: Laurentian Forestry Centre
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Modeling tree-ring growth responses to climatic variables using artificial neural networks
Zhang, Qi-Bin; Hebda, R.J.; Zhang, Qi-Jun; Alfaro, R.I.
Year: 2000    Catalog ID: 5494
Available from: Pacific Forestry Centre
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Population genetic structure of Pissodes strobi (Coleoptera: Curculionidae) in British Columbia, Canada
Lewis, K.G.; El-Kassaby, Y.A.; Alfaro, R.I.; Barnes, S.
Year: 2000    Catalog ID: 5477
Available from: Pacific Forestry Centre
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White pine weevil attack on white spruce: A survival time analysis
He, F.; Alfaro, R.I.
Year: 2000    Catalog ID: 5391
Available from: Pacific Forestry Centre
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Budburst phenology of Sitka spruce and its relationship to white pine weevil attack
Alfaro, R.I.; Lewis, K.G.; King, J.N.; El-Kassaby, Y.A.; Brown, G.; Smith, L.D.
Year: 2000    Catalog ID: 5404
Available from: Pacific Forestry Centre
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Dendroecological studies of tree growth, climate and spruce beetle outbreaks in central British Columbia, Canada
Zhang, Q.; Alfaro, R.I.; Hebda, R.J.
Year: 1999    Catalog ID: 5238
Available from: Pacific Forestry Centre
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Variation in Elatobium abietinum attack on Picea glauca and its relation to Pissodes strobi resistance
Lewis, K.G.; Alfaro, R.I.; Andrucko, D.
Year: 1999    Catalog ID: 5321
Available from: Pacific Forestry Centre
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Tree mortality caused by the western hemlock looper in landscapes of central British Columbia
Alfaro, R.I.; Taylor, S.P.; Brown, G.; Wegwitz, E.
Year: 1999    Catalog ID: 5350
Available from: Pacific Forestry Centre
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Histological response of resistant and susceptible white spruce to simulated white pine weevil damage
Tomlin, E.S.; Alfaro, R.I.; Borden, J.H.; He, F.
Year: 1998    Catalog ID: 4916
Available from: Pacific Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1093/treephys/18.1.21
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White pine weevil, Pissodes strobi: risk factors, monitoring and management
Alfaro, R.I.
Year: 1998    Catalog ID: 5048
Available from: Pacific Forestry Centre
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Le charançon du pin blanc, Pissodes Strobi: facteurs de risque, surveillance et gestion
Alfaro, R.I.
Year: 1998    Catalog ID: 5082
Available from: Pacific Forestry Centre
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White spruce resistance to white pine weevil related to bark resin canal density
Alfaro, R.I.; He, F.; Tomlin, E.; Kiss, G.
Year: 1997    Catalog ID: 4811
Available from: Pacific Forestry Centre
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Current research on genetic resistance to white pine weevil in British Columbia
Alfaro, R.I.
Year: 1997    Catalog ID: 4883
Available from: Pacific Forestry Centre
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White pine weevil (Coleoptera: Curculionidae) attack on white spruce: Spatial and temporal patterns
He, F.; Alfaro, R.I.
Year: 1997    Catalog ID: 4905
Available from: Pacific Forestry Centre
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Forest health management: A changing perspective
Alfaro, R.I.; Singh, P.
Year: 1997    Catalog ID: 4919
Available from: Pacific Forestry Centre
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Spruce weevil in British Columbia
Turnquist, R.; Alfaro, R.I.
Year: 1996    Catalog ID: 4261
Available from: Pacific Forestry Centre
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Resistance of white spruce to white pine weevil: development of a resistance index
Alfaro, R.I.; He, F.; Kiss, G.; King, J.N.; Yanchuk, A.
Year: 1996    Catalog ID: 4301
Available from: Pacific Forestry Centre
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Variation in the induced resin response of white spruce, Picea glauca, to attack by Pissodes strobi
Alfaro, R.I.; Kiss, G.K.; Yanchuk, A.
Year: 1996    Catalog ID: 4339
Available from: Pacific Forestry Centre
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Role of genetic resistance in managing ecosystems susceptible to white pine weevil
Alfaro, R.I.
Year: 1996    Catalog ID: 4496
Available from: Pacific Forestry Centre
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Feeding and Oviposition Preferences of White Pine Weevil (Coleoptera: Curculionidae) on Resistant and Susceptible Sitka Spruce Clones in Laboratory Bioassays
Alfaro, R.I.
Year: 1996    Catalog ID: 4646
Available from: Pacific Forestry Centre
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The white pine weevil in British Columbia: basis for an integrated pest management system
Alfaro, R.I.; Borden, J.H.; Fraser, R.G.; Yanchuk, A.
Year: 1995    Catalog ID: 3975
Available from: Pacific Forestry Centre
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An induced defense reaction in white spruce to attack by the white pine weevil, Pissodes strobi
Alfaro, R.I.
Year: 1995    Catalog ID: 4175
Available from: Pacific Forestry Centre
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A sequential sampling system for the white pine weevil, Pissodes strobi (Coleoptera: Curculionidae)
Alfaro, R.I.
Year: 1995    Catalog ID: 4234
Available from: Pacific Forestry Centre
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The white pine weevil: biology, damage and management. Proceedings of a symposium held January 19-21, 1994 in Richmond, British Columbia
Alfaro, R.I.; Kiss, G.; Fraser, R.G.
Year: 1994    Catalog ID: 3973
Available from: Pacific Forestry Centre
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Quantifying stand susceptibility and impacts associated with stand and site parameters of white spruce defoliated by the spruce budworm in western Canada
Alfaro, R.I.; Volney, W.J.A.; Mallett, K.I.; Piene, H.; Fleming, R.A.
Year: 1994    Catalog ID: 6269
Available from: Atlantic Forestry Centre
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Variation in attack by Sitka spruce weevil, Pissodes strobi (Peck), within a resistant provenance of Sitka spruce
Alfaro, R.I.; Hulme, M.; Ying, C.
Year: 1993    Catalog ID: 3333
Available from: Pacific Forestry Centre
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A method to calculate the losses caused by western spruce budworm in uneven-aged Douglas fir forests of British Columbia
Alfaro, R.I.; Maclauchlan, L.E.
Year: 1992    Catalog ID: 3146
Available from: Pacific Forestry Centre
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Damage assessment and integrated pest management of forest defoliators
Alfaro, R.I.
Year: 1991    Catalog ID: 3067
Available from: Pacific Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1016/0378-1127(91)90182-U
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Diameter growth losses in western larch caused by larch casebearer defoliation
Alfaro, R.I.; Qiwei, L.; Vallentgoed, J.
Year: 1991    Catalog ID: 3068
Available from: Pacific Forestry Centre
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Tree-ring growth of interior Douglas-fir after one year's defoliation by Douglas-fir tussock moth
Alfaro, R.I.; Shepherd, R.F.
Year: 1991    Catalog ID: 3069
Available from: Pacific Forestry Centre
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Factors affecting the incidence of white pine weevil damage to white spruce in the Prince George Region of British Columbia
Taylor, S.P.; Alfaro, R.I.; Lewis, K.J.
Year: 1991    Catalog ID: 3080
Available from: Pacific Forestry Centre
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Levels of Sitka spruce weevil, Pissodes strobi (Peck), damage among Sitka spruce provenances and families near Sayward, British Columbia
Alfaro, R.I.; Ying, C.C.
Year: 1990    Catalog ID: 2972
Available from: Pacific Forestry Centre
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A method to calculate yield-correction factors for the overstory component of budworm attacked Douglas-fir
Thomson, A.J.; Alfaro, R.I.
Year: 1990    Catalog ID: 2984
Available from: Pacific Forestry Centre
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The effect of spacing on Sitka spruce weevil damage to Sitka spruce
Alfaro, R.I.; Omule, S.A.Y.
Year: 1990    Catalog ID: 3022
Available from: Pacific Forestry Centre
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Growth response in a Douglas-fir/lodgepole pine stand after thinning of lodgepole pine by the mountain pine beetle: A case study
Heath, R.; Alfaro, R.I.
Year: 1990    Catalog ID: 3074
Available from: Pacific Forestry Centre
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Probability of damage to Sitka spruce by the Sitka spruce weevil, Pissodes strobi
Alfaro, R.I.
Year: 1989    Catalog ID: 2862
Available from: Pacific Forestry Centre
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Stem defects in Sitka spruce induced by Sitka spruce weevil
Alfaro, R.I.
Year: 1989    Catalog ID: 2863
Available from: Pacific Forestry Centre
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Insects affecting reforestation: biology and damage
Alfaro, R.I.; Glover, S.G.
Year: 1989    Catalog ID: 2864
Available from: Pacific Forestry Centre
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Effects of defoliation by the western false hemlock looper on Douglas-fir tree-ring chronologies
Alfaro, R.I.; MacDonald, R.N.
Year: 1988    Catalog ID: 2741
Available from: Pacific Forestry Centre
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Western spruce budworm damage to sprayed and unsprayed young Douglas-fir
Alfaro, R.I.; Wegwitz, E.
Year: 1988    Catalog ID: 2742
Available from: Pacific Forestry Centre
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Predicting Douglas-fir defoliation from the percentage of buds infested by the western spruce budworm
Shore, T.L.; Alfaro, R.I.
Year: 1988    Catalog ID: 2759
Available from: Pacific Forestry Centre
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Comparison of binocular and cut-branch methods for estimating budworm defoliation on Douglas-fir
Shore, T.L.; Alfaro, R.I.; Harris, J.W.E.
Year: 1988    Catalog ID: 2760
Available from: Pacific Forestry Centre
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Pest damage in forestry and its assessment
Alfaro, R.I.
Year: 1988    Catalog ID: 2798
Available from: Pacific Forestry Centre
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Douglas-fir tussock moth damage in British Columbia
Alfaro, R.I.; Taylor, S.P.; Wegwitz, E.; Brown, R.G.
Year: 1987    Catalog ID: 2655
Available from: Pacific Forestry Centre
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Aerial application of nuclear polyhedrosis virus against Douglas-fir tussock moth, Orgyia pseudotsugata (McDunnough) (Lepidoptera: Lymantriidae): II. Impact 1 and 2 years after application
Otvos, I.S.; Cunningham, J.C.; Alfaro, R.I.
Year: 1987    Catalog ID: 2669
Available from: Pacific Forestry Centre
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Laboratory feeding and colonization of non-host lodgepole pine by two populations of Pissodes strobi (Peck) (Coleoptera: Curculionidae)
Alfaro, R.I.
Year: 1987    Catalog ID: 2740
Available from: Pacific Forestry Centre
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Mortality and top-kill in Douglas-fir following defoliation by the western spruce budworm in British Columbia
Alfaro, R.I.
Year: 1986    Catalog ID: 2542
Available from: Pacific Forestry Centre
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The spruce budworm, Choristoneura fumiferana (Lepidoptera: Tortricidae), in British Columbia
Shore, T.L.; Alfaro, R.I.
Year: 1986    Catalog ID: 2564
Available from: Pacific Forestry Centre
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Measuring diameter increment change caused by western spruce budworm defoliation in British Columbia
Alfaro, R.I.
Year: 1986    Catalog ID: 2622
Available from: Pacific Forestry Centre
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The western spruce budworm in British Columbia 1909-1983
The western spruce budworm in British Columbia 1909-1983
Harris, J.W.E.; Alfaro, R.I.; Dawson, A.F.; Brown, R.G.
Year: 1985    Catalog ID: 2478
Available from: Pacific Forestry Centre
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Epidemiology of dwarf mistletoe in western hemlock stands in south coastal British Columbia
Alfaro, R.I.; Bloomberg, W.J.; Smith, R.B.; Thomson, A.J.
Year: 1985    Catalog ID: 2500
Available from: Pacific Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1139/x85-146
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Impact of dwarf mistletoe on the growth of western hemlock trees having different patterns of suppression and release
Thomson, A.J.; Alfaro, R.I.; Bloomberg, W.J.; Smith, R.B.
Year: 1985    Catalog ID: 2516
Available from: Pacific Forestry Centre
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Available from the Journal's Web site.
DOI: 10.1139/x85-108
Mark record
Factors affecting loss in radial growth of Douglas-fir caused by western spruce budworm defoliation
Alfaro, R.I.
Year: 1985    Catalog ID: 2539
Available from: Pacific Forestry Centre
CFS Availability: Print (free)
Mark record
Factors determining the feeding of the white pine weevil (Coleoptera: Curculionidae) on coastal British Columbia host, Sitka spruce
Alfaro, R.I.; Borden, J.H.
Year: 1985    Catalog ID: 2540
Available from: Pacific Forestry Centre
CFS Availability: Print (free)
Mark record
Insects associated with the Sitka spruce weevil, Pissodes strobi (Coleoptera: Curculionidae), on Sitka spruce, Picea sitchensis, in British Columbia, Canada
Alfaro, R.I.; Hulme, M.A.; Harris, J.W.E.
Year: 1985    Catalog ID: 2541
Available from: Pacific Forestry Centre
CFS Availability: Print (free)
Mark record
Site index curves for lodgepole pine from southeastern Yukon
Site index curves for lodgepole pine from southeastern Yukon
Thomson, R.; Alfaro, R.I.; Manning, G.H.
Year: 1984    Catalog ID: 2336
Available from: Pacific Forestry Centre
CFS Availability: Print (free), PDF (download)
Mark record
Pine oil, a feeding deterrent for the white pine weevil, Pissodes strobi (Coleoptera: Curculionidae)
Alfaro, R.I.; Borden, J.H.; Harris, L.J.; Nijholt, W.W.; McMullen, L.H.
Year: 1984    Catalog ID: 2353
Available from: Pacific Forestry Centre
CFS Availability: Print (free)
Mark record
Defoliation and mortality caused by western spruce budworm; Variability in a Douglas-fir stand
Alfaro, R.I.; Shore, T.L.
Year: 1984    Catalog ID: 2354
Available from: Pacific Forestry Centre
CFS Availability: Print (free), PDF (request by e-mail)
Mark record
Growth patterns in immature and mature western hemlock stands infected with dwarf mistletoe
Thomson, A.J.; Smith, R.B.; Alfaro, R.I.
Year: 1984    Catalog ID: 2419
Available from: Pacific Forestry Centre
CFS Availability: Print (free)
Mark record
Color video tape to record forest defoliation
Alfaro, R.I.; Shore, T.L.
Year: 1984    Catalog ID: 2423
Available from: Pacific Forestry Centre
CFS Availability: Print (free), PDF (request by e-mail)
Mark record
A microcomputer based data reader and editor for the DIGIMIC tree ring measuring system
Alfaro, R.I.; Wegwitz, E.; Erickson, A.D.; Pannekoek, W.J.
Year: 1984    Catalog ID: 2424
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).
Mark record
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
Available from: Pacific Forestry Centre
CFS Availability: Print (free)
Mark record
Douglas-fir height growth affected by western spruce budworm
van Sickle, G.A.; Alfaro, R.I.; Thomson, A.J.
Year: 1983    Catalog ID: 2337
Available from: Pacific Forestry Centre
CFS Availability: Print (free)

Available from the Journal's Web site.
DOI: 10.1139/x83-067
Mark record
Tree-crown defoliation measurement from digitized photographs
Lee, Y.J.; Alfaro, R.I.; van Sickle, G.A.
Year: 1983    Catalog ID: 2427
Available from: Pacific Forestry Centre
CFS Availability: Print (free)

Available from the Journal's Web site.
DOI: 10.1139/x83-127
Mark record
Host selection by the white pine weevil, Pissodes strobi Peck: feeding bioassays using host and nonhost plants
Alfaro, R.I.; Borden, J.H.
Year: 1982    Catalog ID: 2167
Available from: Pacific Forestry Centre
CFS Availability: Print (free)
Mark record
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
Available from: Pacific Forestry Centre
CFS Availability: Print (free)
Mark record
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
Available from: Pacific Forestry Centre
CFS Availability: Print (free), PDF (download)
Mark record
Fifty-year-old Sitka spruce plantations with a history of intense weevil attack
Alfaro, R.I.
Year: 1982    Catalog ID: 2255
Available from: Pacific Forestry Centre
CFS Availability: Print (free), PDF (request by e-mail)
Mark record
Insect feeding and oviposition deterrents from western red cedar foliage
Alfaro, R.I.; Pierce, H.D.; Borden, J.H.; Oehlschlager, A.C.
Year: 1981    Catalog ID: 2020
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1007/BF00988634
Mark record
Predation by Lonchaea corticis (Diptera: Lonchaeidae) on the white pine weevil, Pissodes strobi (Coleoptera: Curculionidae)
Alfaro, R.I.; Borden, J.H.
Year: 1980    Catalog ID: 2018
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.4039/Ent1121259-12
Mark record
Role of volatile and nonvolatile components of Sitka spruce bark as feeding stimulants for Pissodes strobi Peck (Coleoptera: Curculionidae)
Alfaro, R.I.; Pierce, H.D.; Borden, J.H.; Oehlschlager, A.C.
Year: 1980    Catalog ID: 2019
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1139/z80-090
Mark record
A quantitative feeding bioassay for Pissodes strobi Peck (Coleoptera: Curculionidae)
Alfaro, R.I.; Pierce, H.D.; Borden, J.H.; Oehlschlager, A.C.
Year: 1979    Catalog ID: 2017
Available from: Pacific Forestry Centre
CFS Availability: Not available through the CFS (click for more information).

Available from the Journal's Web site.
DOI: 10.1007/BF00986551
Mark record

This may not be a complete list of the author's publications. This list provides the author's publications since he or she joined, or worked in cooperation with, the CFS. When available, another link is provided for periods of work elsewhere.