Search Results - "Alfaro, R.I."

Anticipating the consequences of climate change for Canada's boreal forest ecosystems by Price, David T., Alfaro, R.I., Brown, K.J., Flannigan, M.D., Fleming, R.A., Hogg, E.H., Girardin, M.P., Lakusta, T., Johnston, M., McKenney, D.W., Pedlar, J.H., Stratton, T., Sturrock, R.N., Thompson, I.D., Trofymow, J.A., Venier, L.A.

“…Canadian boreal woodlands and forests cover approximately 3.09 × 106km2, located within a larger boreal zone characterized by cool summers and long cold…”
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Multicentury reconstruction of western spruce budworm outbreaks in central British Columbia, Canada by Axelson, J.N., Smith, D.J., Daniels, L.D., Alfaro, R.I.

“…•First western spruce budworm outbreak reconstruction for the central interior of BC.•Reconstructed 12 outbreaks over 400years with a mean return interval of…”
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Weevil resistance of progeny derived from putatively resistant and susceptible interior spruce parents by Alfaro, René I., vanAkker, Lara, Jaquish, Barry, King, John

“…Controlled-cross progeny of interior spruce ( Picea glauca (Moench) Voss × Picea engelmanni Parry ex Engelm.) parents ranked as resistant or susceptible to the…”
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Historical and spatial characteristics of spruce budworm Choristoneura fumiferana (Clem.) (Lepidoptera: Tortricidae) outbreaks in northeastern British Columbia by Burleigh, J.S., Alfaro, R.I., Borden, J.H., Taylor, S.

“…The historical pattern of outbreaks of the spruce budworm, Choristoneura fumiferana (Clem.), in white spruce stands in the Fort Nelson Forest District of…”
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Genetic resistance of Sitka spruce (Picea sitchensis) populations to the white pine weevil (Pissodes strobi): distribution of resistance by King, J.N, Alfaro, R.I, Cartwright, C

“…Sitka spruce (Picea sitchensis) is highly susceptible to leader damage by the white pine weevil (Pissodes strobi). Population differences for resistance have…”
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White pine weevil attack on white spruce: a survival time analysis by He, F, Alfaro, R.I

“…The survival time of a white spruce tree (Picea glauca (Moench) Voss) with respect to the attack by the white pine weevil (Pissodes strobi (Peck)) was defined…”
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Dendroecological studies of tree growth, climate and spruce beetle outbreaks in Central British Columbia, Canada by Zhang, Qibin, Alfaro, René I, Hebda, Richard J

“…Dendroecological techniques were used in this study to compare the radial growth patterns of different conifer species and to identify regional climatic…”
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Insects associated with the Sitka spruce weevil,Pissodes Strobi [Col.: Curculionidae] on Sitka spruce,Picea sitchensis in British Columbia, Canada by Alfaro, R. I., Hulme, M. A., Harris, J. W. E.

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Histological response of resistant and susceptible white spruce to simulated white pine weevil damage by Tomlin, E.S, Alfaro, R.I, Borden, J.H, He, F.L

“…The traumatic wound response of families of white spruce, Picea glauca (Moench) Voss, resistant or susceptible to the white pine weevil, Pissodes strobi…”
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Tree mortality caused by the western hemlock looper in landscapes of central British Columbia by Alfaro, Rene I, Taylor, S, Brown, G, Wegwitz, E

“…An outbreak of the western hemlock looper, Lambdina fiscellaria lugubrosa (Hulst) (Coleoptera: Geometridae), caused tree mortality in central British Columbia,…”
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Budburst phenology of sitka spruce and its relationship to white pine weevil attack by Alfaro, Rene I, Lewis, Kornelia G, King, John N, El-Kassaby, Yousry A, Brown, George, Smith, Lincoln D

“…Phenology of budburst development of Sitka spruce, Picea sitchensis Bong. Carr., measured at two sites on Vancouver Island, British Columbia, Canada, was under…”
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Feeding and oviposition preferences of white pine weevil (Coleoptera: Curculionidae) on resistant and susceptible Sitka spruce clones in laboratory bioassays by Alfaro, R.I. (Pacific Forestry Centre, Victoria, BC, Canada.)

“…White pine weevils, Pissodes strobi (Peck), caged on live clones (grafts) of resistant and susceptible Sitka spruce trees, Picea sitchensis (Bong) Carr., and…”
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White pine weevil (Coleoptera: Curculionidae) attack on white spruce: spatial and temporal patterns by He, F.L, Alfaro, R.I

“…The spatial attack pattern of white pine weevil, Pissodes strobi (Peck), on white spruce, Picea glauca (Moench) Voss, was studied in a 10-yr-old plantation in…”
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Insect feeding and oviposition deterrents from western red cedar foliage [Pissodes strobi, Thuja plicata] by Alfaro, R I, Pierce, Jr, H D, Borden, J H, Oehlschlager, A C

“…The feeding deterrent activity of fractions from the foliage of western red cedar,Thujaplicata Donn, was studied in laboratory bioassays using the white pine…”
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