maximizing wood fib ibre growth and quality in in a
play

Maximizing Wood Fib ibre Growth and Quality in in a Changing Cli - PowerPoint PPT Presentation

Maximizing Wood Fib ibre Growth and Quality in in a Changing Cli limate Jim St Jim Stewart and Isa Isabell lle Duchesne Res esearch Sc Scie ientis ists Canadia ian Wood Fibr ibre Centre March 20, 2018 2017-18 CIF 2017 IF e-Le


  1. Maximizing Wood Fib ibre Growth and Quality in in a Changing Cli limate Jim St Jim Stewart and Isa Isabell lle Duchesne Res esearch Sc Scie ientis ists Canadia ian Wood Fibr ibre Centre March 20, 2018 2017-18 CIF 2017 IF e-Le Lecture Se Serie ries “Innovative Solutions to Respond to the Challenge of a Changing Climate” 1 1

  2. Ma Maxim imiz izin ing Woo ood Fi Fibre re Gro Growth and Qu Quality y in a Cha Changin ing Cl Climate! Collaborative Research Project 1.1 “Wood Characterization for Optimal End - Uses” • Researchers: I. Duchesne, J. Beguin, S. Clément, P. Lenz, J. Stewart, J. Salvail, C. Mvolo, M. Abou-Zaid (CWFC), M. Girardin, N. Isabel, C.Hébert (rest of CFS) • Partners: FPInnovations, UNBC, U Alberta, FGRoW, U Laval, UQAT 2

  3. Ma Maxim imiz izin ing Woo ood Fi Fibre re Gro Growth and Qu Quality y in a Cha Changin ing Cl Climate! WFA variation and CRP 1.1 measurement; connections along Themes the value chain Linking WFA Climate knowledge influence on Silviculture and models wood density effects on with and other WFA operational WFA tools * WFA = wood and fibre attributes 3

  4. Ma Maxim imiz izin ing Woo ood Fi Fibre re Gro Growth and Qu Quality y in a Cha Changin ing Cl Climate! CRP 1.1 Themes Climate influence on wood density and other WFA * WFA = wood and fibre attributes 4

  5. Can Si Can Silvicu icult lture So Solutio tions Mit Mitig igate Tim Timber Su Supply y Imp mpacts Result ltin ing From rom Cl Climate Cha Change - CI CIF F e-Lec Lecture Climate influence on WFA Why is it important? • Right scale, • Right place, • Right price J. MacFadyen Technical challenges ➢ Tools from dendrochronology 5

  6. Can Si Can Silvicu icult lture So Solutio tions Mit Mitig igate Tim Timber Su Supply y Imp mpacts Result ltin ing From rom Climate Cha Cl Change - CI CIF F e-Lec Lecture Climate Influence on WFA • How can we use these models? Looking forward Looking back • Use climate • Use past climate projections to to re-construct predict effects on wood production wood properties • Estimate wood • Assess climate properties in change effects on forest inventories wood quality 6

  7. Ma Maxim imiz izin ing Woo ood Fi Fibre re Gro Growth and Qu Quality y in a Cha Changin ing Cl Climate! Studies in Eastern Canada 7

  8. Maxim Ma imiz izin ing Woo ood Fi Fibre re Gro Growth and Qu Quality y in a Cha Changin ing Cl Climate! Geographical variation in in tr tree and wood characteristics and lu lumber quality of f pla lantation-grown spruces (o (ongoing stu tudy) Isabelle Duchesne, Patrick Lenz, Martin Girardin, Johann Housset, Nathalie Isabel, Julien Beguin, Sébastien Clément, Marie Deslauriers, Daniel Plourde, Peter Arbour Collaborators: L. Bédard and F. Tanguay (FPInnovations), L.-F. Daigle (INRS) Two objectives 1. Evaluate the influence of climate variables on growth and wood density in white spruce (dendroclimatology) 2. Evaluate the quality of lumber products from different seed sources (mature provenance trials) along a geographical gradient 8

  9. Ma Maxim imiz izin ing Woo ood Fi Fibre re Gro Growth and Qu Quality y in a Cha Changin ing Cl Climate! Research Team Isabelle Johann Duchesne Housset Silviculture/ Dendroclimatology Lumber quality Martin Girardin Nathalie Isabel Julien Beguin Forest Productivity/ Tree Genetics/ Statistical analysis Patrick Lenz Dendroclimatology Adaptation Tree Genetics/ Wood quality traits 9

  10. Ma Maxim imiz izin ing Woo ood Fi Fibre re Gro Growth and Qu Quality y in a Cha Changin ing Cl Climate! CFS Common garden: a tool to in inform on tr tree responses to cli limate change We need information on the consequences of moving tree populations along climatic gradients . • Moving a provenance to a warmer site may help anticipate the effect of warming . • Moving a provenance to a colder site informs on the possible response of a population transferred to colder conditions in the context of climate change. 10

  11. Common gardens (p (provenance tri rial l E-194) Maxim Ma imiz izin ing Woo ood Fi Fibre re Gro Growth and Qu Quality y in a Cha Changin ing Cl Climate! established by the CFS in in 1963-64 64 14 seed sources (provenances) 378 increment cores sampled at DBH (3 sites x 3 blocks/site x 14 prov. x 3 trees/prov.) 1.8 m initial spacing Tree age: 56 Petawawa 11

  12. Ma Maxim imiz izin ing Woo ood Fi Fibre re Gro Growth and Qu Quality y in a Cha Changin ing Cl Climate! Preli liminary ry result lts: Correlatio ion BAI - Temperature • Basal Area Increment Prov.# Temp. • Petawawa site (South): Petawawa negative correlation SOUTH between BAI and the mean monthly temperature in the month of September Baskatong preceding ring NORTH formation • St-Jacques site: June temperature of current growth year has a St-Jacques negative effect on the BAI • Baskatong (North): weaker correlations Preceding year Current growth year 12

  13. Ma Maxim imiz izin ing Woo ood Fi Fibre re Gro Growth and Qu Quality y in a Cha Changin ing Cl Climate! Preli liminary ry result lts: Correlatio ion BAI - Temperature • Basal Area Increment Prov.# Temp. Petawawa SOUTH - At each site, the local provenance (adapted) * did not grow differently compared to the Baskatong remote provenances NORTH * - Site effect more important that the provenance for the BAI St-Jacques response to monthly * temperature (period 1980-2014) Preceding year Current growth year * = local provenance 13

  14. Ma Maxim imiz izin ing Woo ood Fi Fibre re Gro Growth and Qu Quality y in a Cha Changin ing Cl Climate! Corr rrela latio ions - Rin ing densit ity vs. s. mean monthly ly temperature Prov. Temp. • For Baskatong only: Petawawa - Negative correlation SOUTH between ring density and September temperature * the year preceding ring formation Baskatong • For the 3 sites: NORTH * - Strong positive correlation between density and MAY temperature in the St-Jacques current year of * ring formation - No clear provenance effect on wood density Preceding year Current year * = local provenance 14

  15. Maxim Ma imiz izin ing Woo ood Fi Fibre re Gro Growth and Qu Quality y in a Cha Changin ing Cl Climate! Summary – Dendroclimatology (objective 1) Our preliminary results indicate that sites have more effects than provenances on tree-ring growth (BAI) and density. (Eastern Canada only) However we do not have extremes from the entire white spruce distribution area. 15

  16. Ma Maxim imiz izin ing Woo ood Fi Fibre re Gro Growth and Qu Quality y in a Cha Changin ing Cl Climate! Would assisted migration within the eastern region have any effect on lumber quality? Are there any differences between provenances and sites in terms of: • lumber stiffness (MOE) and strength (MOR) • lumber density • lumber visual grades (NLGA)? Baskatong (MAT: 2.8 o C) vs. Petawawa (MAT: 4.6 o C) Range of mean annual temperatures (MAT) of the 6 provenances (from Thunderbay to Edmundston): 1.8 to 6.0 o C 16

  17. Ma Maxim imiz izin ing Woo ood Fi Fibre re Gro Growth and Qu Quality y in a Cha Changin ing Cl Climate! Study Approach Sites Provenances Trees Logs Lumber Baskatong (north) 6 54 161 331 Petawawa (south) 6 54 223 612 Total 108 384 943 17

  18. Ma Maxim imiz izin ing Woo ood Fi Fibre re Gro Growth and Qu Quality y in a Cha Changin ing Cl Climate! Results – Average volume of No.2 & better grades produced per tree P-value 54 trees harvested per site Source of variation numDF ddf SS-1-2 ddf 3-E Intercept 1 92 <.0001 47 <.0001 9 trees per provenance Site 1 4 0.0029 4 0.1654 Provenance 5 92 0.0239 47 0.328 Site x Provenance 5 92 0.1848 47 0.7382 18

  19. Ma Maxim imiz izin ing Woo ood Fi Fibre re Gro Growth and Qu Quality y in a Cha Changin ing Cl Climate! Results – No significant effect of site or provenance on lumber stiffness (MOE) Mean annual temp. range of the 6 provenances 1.8 to 6.0 o C 2.8 o C 4.6 o C Source of variation numDF denDF p-value Intercept 1 92 <.0001 Site 1 4 0.0901 Provenance 5 92 0.1313 Site x Provenance 5 92 0.7433 Max delta MAT: Baskatong = -3.2 o C #2467, LacMiller, ON Petawawa = +2.8 o C; #2473, Edmundston BaskQC-PetawON-LacMillerON-PriceQC-EdmNB-KakaFallsON 19

  20. Ma Maxim imiz izin ing Woo ood Fi Fibre re Gro Growth and Qu Quality y in a Cha Changin ing Cl Climate! Results - No significant effect of site or provenance on lumber strength (MOR) Mean annual temp. range of the 6 provenances: 1.8 to 6.0 o C Source of variation numDF denDF p-value Intercept 1 92 <.0001 Site 1 4 0.7335 Provenance 5 92 0.1841 Site x Provenance 5 92 0.8243 BaskQC-PetawON-LacMillerON-PriceQC-EdmNB-KakaFallsON 20

  21. Ma Maxim imiz izin ing Woo ood Fi Fibre re Gro Growth and Qu Quality y in a Cha Changin ing Cl Climate! Summary – Lumber quality (objective 2) • Better individual tree growth in Petawawa (2 fold, thinning) than in Baskatong • Lumber quality did not vary much between sites and provenances at the end of the rotation (age 56). • Next steps will be to compare the knottiness pattern of trees using CT-Scan technology (ongoing) 21

Download Presentation
Download Policy: The content available on the website is offered to you 'AS IS' for your personal information and use only. It cannot be commercialized, licensed, or distributed on other websites without prior consent from the author. To download a presentation, simply click this link. If you encounter any difficulties during the download process, it's possible that the publisher has removed the file from their server.

Recommend


More recommend