2012
DOI: 10.5558/tfc2012-098
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Did the 1976–77 switch in the Pacific Decadal Oscillation make white spruce in the southwest Yukon more susceptible to spruce bark beetle?

Abstract: We applied dendrochronology to quantify the effects of climatic variation on white spruce radial growth in southwest Yukon, Canada. Local climate is cold and dry, thus tree growth was primarily limited by moisture, rather than temperature, although the mechanisms varied through time. Regionally, both temperature and precipitation increased in recent decades, in part due to the shift from the negative to positive phase of the Pacific Decadal Oscillation. Climate projections for this region include further incre… Show more

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Cited by 3 publications
(1 citation statement)
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“…Larger trees were also selected for by beetles in lower elevation bioclimate zones (Boreal High, Boreal Low; Garbutt et al 2006). In Yukon, infestations have only been actively studied in association with the 1990s Kluane region outbreak (Berg et al 2006;Garbutt et al 2006;Randall et al 2011;Chavardés et al 2012;Hawkes et al 2014;Mazzocato 2015;Paudel et al 2015;Campbell et al 2019).…”
Section: Insects and Pathogensmentioning
confidence: 99%
“…Larger trees were also selected for by beetles in lower elevation bioclimate zones (Boreal High, Boreal Low; Garbutt et al 2006). In Yukon, infestations have only been actively studied in association with the 1990s Kluane region outbreak (Berg et al 2006;Garbutt et al 2006;Randall et al 2011;Chavardés et al 2012;Hawkes et al 2014;Mazzocato 2015;Paudel et al 2015;Campbell et al 2019).…”
Section: Insects and Pathogensmentioning
confidence: 99%