Soil fertilization transiently increases radial growth in sessile oaks but does not change their resilience to severe soil water deficit

Ponton, Stéphane; Bornot, Yoran; Bréda, Nathalie

doi:10.1016/j.foreco.2018.10.027

Cited by 15 publications

(4 citation statements)

References 67 publications

(85 reference statements)

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“…A study of the effect of fertilizer on the radial growth of Quercus petraea in the vicinity of our westernmost common garden (West) showed that the soil water deficit in June to August was the factor most strongly affecting growth [68]. By contrast, Chakraborty et al [64] found a predominant effect of climate, rather than soil, on the total height of 10-year-old Picea abies trees, over a much larger climate gradient.…”

Section: Plos Onementioning

confidence: 93%

Which oak provenances for the 22nd century in Western Europe? Dendroclimatology in common gardens

et al. 2020

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The current distribution area of the two sympatric oaks Quercus petraea and Q. robur covers most of temperate Western Europe. Depending on their geographic location, populations of these trees are exposed to different climate constraints, to which they are adapted. Comparing the performances of trees from contrasting populations provides the insight into their expected resilience to future climate change required for forest management. In this study, the descendants of 24 Q. petraea and two Q. robur provenances selected from sites throughout Europe were grown for 20 years in three common gardens with contrasting climates. The 2420 sampled trees allowed the assessments of the relationship between radial growth and climate. An analysis of 15-year chronologies of ring widths, with different combinations of climate variables, revealed different response patterns between provenances and between common gardens. As expected, provenances originating from sites with wet summers displayed the strongest responses to summer drought, particularly in the driest common garden. All provenances displayed positive significant relationships between the temperature of the previous winter and radial growth when grown in the common garden experiencing the mildest winter temperatures. Only eastern provenances from continental cold climates also clearly expressed this limitation of growth by cold winter temperatures in the other two common gardens. However, ecological distance, calculated on the basis of differences in climate between the site of origin and the common garden, was not clearly related to the radial growth responses of the provenances. This suggests that the gradient of genetic variability among the selected provenances was not strictly structured according to climate gradients. Based on these results, we provide guidelines for forest managers for the assisted migration of Quercus petraea and Q. robur provenances.

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Section: Plos Onementioning

confidence: 93%

Which oak provenances for the 22nd century in Western Europe? Dendroclimatology in common gardens

et al. 2020

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“…The majority of cases averaged growth of successive dry years [13,23,[57][58][59][60][61]. However, a few studies used the value of the last year of the drought event [62,63], and some studies did not explain how they dealt with this issue [64][65][66]. Since these two approaches (average vs. last year of drought period) are likely to yield different results, we recommend that the results obtained are at least compared for the different approaches when dealing with successive dry years.…”

Section: Consideration Of Climatic Conditions In the Pre-and Post-dromentioning

confidence: 99%

Quantifying Growth Responses of Trees to Drought—a Critique of Commonly Used Resilience Indices and Recommendations for Future Studies

et al. 2020

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Purpose of Review Despite the rapidly increasing use of resilience indices to analyze responses of trees and forests to disturbance events, there is so far no common framework to apply and interpret these indices for different purposes. Therefore, this review aims to identify and discuss various shortcomings and pitfalls of commonly used resilience indices and to develop recommendations for a more robust and standardized procedure with a particular emphasis on drought events. Recent Findings Growth-based resilience indices for drought responses of trees are widely used but some important drawbacks and limitations related to their application may lead to spurious results or misinterpretation of observed patterns. The limitations include (a) the inconsistency regarding the selection and characterization of drought events and the climatic conditions in the preand post-drought period and (b) the calculation procedure of growth-based resilience indices. Summary We discuss alternative options for metrics, which, when used in concert, can provide a more comprehensive understanding of drought responses in cases where common growth-based resilience indices are likely to fail. In addition, we propose a new analytical framework, the "line of full resilience," that integrates the three most commonly used resilience indices and show how this framework can be used for comparative drought tolerance assessments such as rankings of different tree species or treatments. The suggested approach could be used to harmonize quantifications of tree growth resilience to drought and it may thus facilitate systematic reviews and development of the urgently needed evidence base to identify suitable management options or tree species and provenances to adapt forests for changing climatic conditions.

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“…Due to highly associated costs of measurements, biomass estimates in practice rely on combining tree volume data with an average density value per species (IPCC, 2006), but different ecological factors such as water and nutrient availability, site elevation may strongly contribute to explaining variation of the inter and intra-speci c wood density values (Castro et al, 2020;Kerfriden et al, 2021). Studies have indicated that the availability of soil nutrients affects the width of tree growth rings (e.g., Sheppard et al, 2001;Ponton et al, 2019). A sharp decline of soil nutrients was found to reduce diameter growth in hardwood species (Kint et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Removing Harvest Residues from Hardwood Stands Affects Tree Growth, Wood Density and Stem Wood Nutrient Concentration in European Beech (Fagus Sylvatica) and Oak (Quercus spp.)

Roy

Leban

Zeller

et al. 2021

Preprint

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Background: Increased exportation of harvest residues from forests, to mitigate excessive demand for woody biomass, have reportedly diminished soil mineral resources and may lead to degraded tree nutrition and tree growth. However, as nutrients become less available in the soil, the remobilization of nutrients in biomass tissues (plant internal cycling) helps sustain tree nutrition. Our study aims to quantify the impact of Removing Harvest Residues and Litter (RHRL) during five years on tree growth, wood density and stem wood nutrient concentrations in young beech and oak forest stands.Result: Our study found that, RHRL significantly decreased the tree growth ring width, by 14%, and wood density, by 3%, in beech trees, in the near bark rings. RHRL also significantly reduced the nutrient concentration in the near bark and near pith area of both species. Mg, Na and S were found lower by 44%, 76% and 56%, respectively, in the near bark area of beech trees, and K, Ca, Mg, Na, S and Fe were lower by 20%, 25%, 41%, 48%, 41% and 16%, respectively, in the near bark area of oak trees. K and Mg concentrations decreased more strongly in the near pith area compared to the near bark area suggesting internal translocation of these two elements. Conclusion: In beech trees, wood density proved to be an important factor while quantifying the effect of removing harvest residuals on the tree growth and biomass. Soil nutrient loss intensified the remobilization of nutrients contained in older tree rings (close to the pith) towards newly formed rings (close to bark). In our study, in beech trees, K was found to be the most recycled major nutrient. These results demonstrate the potential of such analysis for providing valuable insight into the effect of RHRL in premature stands on the physiological adaptive strategies of trees and an indication of soil fertility and acidity status.

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Soil fertilization transiently increases radial growth in sessile oaks but does not change their resilience to severe soil water deficit

Cited by 15 publications

References 67 publications

Which oak provenances for the 22nd century in Western Europe? Dendroclimatology in common gardens

Which oak provenances for the 22nd century in Western Europe? Dendroclimatology in common gardens

Quantifying Growth Responses of Trees to Drought—a Critique of Commonly Used Resilience Indices and Recommendations for Future Studies

Removing Harvest Residues from Hardwood Stands Affects Tree Growth, Wood Density and Stem Wood Nutrient Concentration in European Beech (Fagus Sylvatica) and Oak (Quercus spp.)

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