2007
DOI: 10.1139/x06-278
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Forest dynamics following spruce budworm outbreaks in the northern and southern mixedwoods of central Quebec

Abstract: Abstract:The effects of 20th century spruce budworm (Choristoneura fumiferana (Clem.)) outbreaks on forest dynamics was examined in the southern and northern parts of the mixedwood forest zone in central Quebec, Canada. In each region, three study areas were placed in unmanaged stands that had not burned for more than 200 years. Disturbance impacts and forest succession were evaluated using aerial photographs and dendrochronology. Spruce budworm outbreaks occurred around 1910, 1950, and 1980 in both regions. … Show more

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Cited by 34 publications
(27 citation statements)
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“…Our results corroborate the closest study performed in Lac Duparquet (Abitibi region, Quebec) in white spruce in which important growth reductions occurred between 1973 and 1977 (Morin et al 1993). Similarly, insect defoliation in black spruce were noticed by dendrochronology and photointerpretation in lakes Libéral and Onatchiway between 1976and 1979(Krause and Morin 1999 and in Lac Lamandonis around 1980 (Bouchard et al 2007). At a wider spatial scale, this event corresponds to the well-documented last spruce budworm outbreak in Quebec in the 20th century (e.g., Morin et al 1993Morin et al , 2007Krause and Morin, 1999;Bouchard et al 2007;Simard et al 2008;Boulanger et al 2012;Fierravanti et al 2015).…”
Section: Budworm Outbreak and Stand Dynamicssupporting
confidence: 90%
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“…Our results corroborate the closest study performed in Lac Duparquet (Abitibi region, Quebec) in white spruce in which important growth reductions occurred between 1973 and 1977 (Morin et al 1993). Similarly, insect defoliation in black spruce were noticed by dendrochronology and photointerpretation in lakes Libéral and Onatchiway between 1976and 1979(Krause and Morin 1999 and in Lac Lamandonis around 1980 (Bouchard et al 2007). At a wider spatial scale, this event corresponds to the well-documented last spruce budworm outbreak in Quebec in the 20th century (e.g., Morin et al 1993Morin et al , 2007Krause and Morin, 1999;Bouchard et al 2007;Simard et al 2008;Boulanger et al 2012;Fierravanti et al 2015).…”
Section: Budworm Outbreak and Stand Dynamicssupporting
confidence: 90%
“…Canopy gaps are progressively filled by growth releases of surviving trees, and they trigger recruitment and post-outbreak colonization (Morin 1994). Therefore, spruce budworm outbreaks are widely recognized as main drivers of forest dynamics in eastern North America (Morin et al 1993(Morin et al , 2007Morin 1994;Bouchard et al 2007;Boulanger et al 2012;Fierravanti et al 2015).…”
Section: Introductionmentioning
confidence: 99%
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“…Bien que les épidémies de la tordeuse des bourgeons de l'épinette survenues lors du 20e siècle puissent être synchronisées sur de grandes superficies (Royama, 1984;Candau et al, 1998;Jardon et al, 2003) et semblent homogènes à grande échelle, d'importantes variations locales et régionales peuvent être observées dans la fréquence, la durée et l'amplitude des épidémies (Biais, 1968;Royama, 1984), créant ainsi des niveaux variables d'impacts sur la forêt (Turner, 1952;MacLean, 1980;Bergeron et al, 1995;Nealis et Régnière, 2004;Bouchard et al, 2007 (Biais, 1965(Biais, , 1983Morin et Laprise, 1990;Morin, 1998;Ryerson et al, 2003;Morin et al, 2007), de subfossiles (Simard, 2003) ou composant la charpente de vieux bâtiments (Krause, 1997;Boulanger et Arseneault, 2004). Il est également possible de les étudier par le biais des traces laissées par ces perturbations dans les archives naturelles que sont les humus épais, les dépôts tourbeux ou les sédiments lacustres (Simard et al, 2002(Simard et al, , 2006 (Swetnam et Lynch, 1989;Jardon et al, 1994;Weber et Schweingruber, 1995;Ryerson et al, 2003;Fraver et al, 2007;Bùntgen et al, 2009).…”
Section: Les éPidémies De La Tordeuse Des Bourgeons De L'épinetteunclassified
“…Although a substantial amount of research has focused on the direct effects of spruce budworm outbreaks on vegetation in disturbed areas (e.g. D' Aoust et al 2004;Bouchard et al 2006;Bouchard et al 2007), we seek to quantify insect outbreak-induced edge effects on vegetation in opposing directions (i.e., the influence of disturbed areas on vegetation in adjacent intact forests and of the forests on disturbed openings).…”
Section: Introductionmentioning
confidence: 99%