Social status-mediated tree-ring responses to climate of Abies alba and Fagus sylvatica shift in importance with increasing stand basal area

Lebourgeois, François; Eberlé, Paul; Mérian, Pierre; Seynave, Ingrid

doi:10.1016/j.foreco.2014.05.038

Cited by 62 publications

(42 citation statements)

References 70 publications

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“…Iberian birches showed an earlier leaf flush than European beeches and pedunculate oak, thus gaining a time window with higher light levels. This relative advantage of an earlier canopy development in warm April might be minimised in environments where most neighbours show the same response pattern, so, where conspecific Iberian birches dominate [26]. Furthermore, European beech cover protected Iberian birches from the harmful April hailstorms, probably because of its branching architecture (horizontal and high branching) with higher interception rates, while less dense pedunculate oak neighbourhoods increased this damage.…”

Section: Individual Tree Responses To Climatementioning

confidence: 99%

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Variation in the Climate Sensitivity Dependent on Neighbourhood Composition in a Secondary Mixed Forest

Laskurain

Aldezábal

Odriozola

et al. 2018

Forests

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Understanding the vulnerability of individual trees to climate requires moving from population to individual level. This study evaluates individual tree response in a mixed forest by assessing how size and neighbourhood density modulated growth responses to climate among coexisting tree species. To understand the complete variation in growth responses to climate, it is necessary to consider intrapopulation variability. Trees respond as individual entities, and their response is modulated by their characteristics and neighbourhood context. To assess the individual climate sensitivity, all living Iberian birches, European beeches, and pedunculate oaks trees located in a temperate mixed forest were cored in four 40 m × 40 m plots. Standard ring-width chronologies were built at tree and species level for the 1977-2007 period. Chronologies were related to climatic variables (monthly precipitation, hailstorm and mean temperature, and summer (June-August) precipitation). Growth response to climate varied among species and individual trees. Differences in climate-growth relationship among species could be partially attributed to the different xylem anatomy, since secondary growth of ring-porous pedunculate oak (Quercus robur L.) was mainly dependent on the previous-winter climatic conditions (January temperature), while for the diffuse-porous Iberian birch (Betula celtiberica Rothm. and Vasc.) and European beech (Fagus sylvatica L.), spring temperature and summer precipitation were the major constraining factors of growth. Tree features and identity of neighbourhood modulated climatic response, especially for Iberian birch and pedunculate oak. Dominant trees in less crowded neighbourhoods responded more intensely to climate factors. Understanding the individual variability of growth responses to climate will provide more realistic predictions of forests response to climate change.

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Section: Individual Tree Responses To Climatementioning

confidence: 99%

“…However, competition for limiting resources and climatic stress, are interrelated factors [9,23,25]. Dense stands with high competition magnify the effect of extreme weather events (e.g., drought) on growth [20,23,24,26,27]. Thinning is therefore considered a valuable tool to improve the adaptation of forests to climate change [28].…”

Section: Introductionmentioning

confidence: 99%

Variation in the Climate Sensitivity Dependent on Neighbourhood Composition in a Secondary Mixed Forest

Laskurain

Aldezábal

Odriozola

et al. 2018

Forests

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“…Atmospheric deposition is another major factor causing various changes in the forest environment [4]. Forest productivity [5,6] and resilience to climate change [7,8] can be greatly influenced as well by silvicultural practices, particularly by thinnings. Finally, soil compaction, caused by harvesting equipment, is an additional "invisible" stress factor for both soil and forest systems [9].…”

Section: Introductionmentioning

confidence: 99%

Major Changes in Growth Rate and Growth Variability of Beech (Fagus sylvatica L.) Related to Soil Alteration and Climate Change in Belgium

Latte

Perin

Kint

et al. 2016

Forests

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Global change-particularly climate change, forest management, and atmospheric deposition-has significantly altered forest growing conditions in Europe. The influences of these changes on beech growth (Fagus sylvatica L.) were investigated for the past 80 years in Belgium, using non-linear mixed effects models on ring-width chronologies of 149 mature and dominant beech trees (87-186 years old). The effects of the developmental stage (i.e., increasing tree size) were filtered out in order to focus on time-dependent growth changes. Beech radial growth was divided into a low-frequency signal (=growth rate), mainly influenced by forest management and atmospheric deposition, and into a high-frequency variability («mean sensitivity), mainly influenced by climate change. Between 1930 and 2008, major long-term and time-dependent changes were highlighted. The beech growth rate has decreased by about 38% since the 1950-1960s, and growth variability has increased by about 45% since the 1970-1980s. Our results indicate that (1) before the 1980s, beech growth rate was not predominantly impacted by climate change but rather by soil alteration (i.e., soil compaction and/or nitrogen deposition); and (2) since the 1980s, climate change induced more frequent and intense yearly growth reductions that amplified the growth rate decrease. The highlighted changes were similar in the two ecoregions of Belgium, although more pronounced in the lowlands than in the uplands.

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“…For many species, increasing levels of competition (i.e., density) is related to a decrease in an individual tree's drought resistance, recovery, and resilience (Linares et al 2010;Kohler et al 2010;Lebourgeois et al 2014). Other studies suggest that the relationships among overall resilience, competition, and climate are not straightforward.…”

Section: Introductionmentioning

confidence: 99%

“…The authors observed that thinning to low densities at a young age (49 years) conferred increased drought resistance while the reverse was observed during a drought event occurring at an older age (76 years). Variability in the effects of density or competition on climategrowth relationships and, more specifically, response to drought have been observed in natural and plantation-origin forests in Europe (e.g., Gea-Izquierdo et al 2009;Lebourgeois et al 2014;Sánchez-Salguero et al 2015) and, although to a far lesser extent, North America (e.g., McDowell et al 2006;D'Amato et al 2013;Keyser and Brown 2014). Results from these studies suggest that the development of thinning prescriptions intended to increase resiliency to extreme climatic events, including drought, must account for variation across species, emergent stand properties, and environmental conditions.…”

Section: Introductionmentioning

confidence: 99%

Drought response of upland oak (Quercus L.) species in Appalachian hardwood forests of the southeastern USA

Keyser

Brown

2016

Annals of Forest Science

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Abstract& Key message In Appalachian hardwood forests, density, stem size, and productivity affected growth during drought for red oak, but not white oak species. Minor effects of density suggest that a single low thinning does little to promote drought resilience for oaks in the region. & Context Management is increasingly focused on promoting resilience to disturbance. Because stand density can modulate climate-growth relationships, thinning may be an adaptation strategy that promotes resistance/resilience to drought. & Aims We examined how density, manipulated via thinning, stem size, and site productivity, influences the drought response of northern red, black, chestnut, and white oak. & Methods We modeled the role of density, stem size, and site productivity on resistance, recovery, and resilience during two drought events. & Results Chestnut and white oak displayed greater resistance, recovery, and/or resilience than did northern red and black oak. For black oak, density and stem size negatively affected resistance during the first and second drought, respectively. Density, stem size, and site productivity had no effect on chestnut and white oak. & Conclusion The lack of sensitivity of chestnut and white oak to the ranges of density, stem size, and site productivity observed in this study and generally better resistance, recovery, and resilience suggests that management focused on the maintenance of these species, as opposed to a single silvicultural low thinning, may be a possible strategy for sustaining the growth and productivity of oak species in Appalachian hardwood stands. Drought response as affected by alternative thinning interventions should be evaluated.

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Social status-mediated tree-ring responses to climate of Abies alba and Fagus sylvatica shift in importance with increasing stand basal area

Cited by 62 publications

References 70 publications

Variation in the Climate Sensitivity Dependent on Neighbourhood Composition in a Secondary Mixed Forest

Variation in the Climate Sensitivity Dependent on Neighbourhood Composition in a Secondary Mixed Forest

Major Changes in Growth Rate and Growth Variability of Beech (Fagus sylvatica L.) Related to Soil Alteration and Climate Change in Belgium

Drought response of upland oak (Quercus L.) species in Appalachian hardwood forests of the southeastern USA

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