Alexis Achim

Membre associé
Sylviculture et qualité du bois

Université Laval
Faculté de foresterie et de géomatique
Département des sciences du bois et de la forêt
Pavillon Abitibi-Price
2405 Rue de la Terrasse
Québec (Québec) Canada, G1V 0A6

Téléphone: (418) 656-2131 poste 402146

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Formation

• Doctorat en sylviculture, Université Laval, 2004
• Baccalauréat en aménagement et environnement forestiers, Université Laval, 1998

Présentation

Depuis mon embauche à l'université Laval en 2007, j'ai mis sur pied un programme de recherche portant sur les effets des pratiques sylvicoles sur les propriétés du bois, en particulier pour les espèces feuillues. Je m'intéresse notamment à la modélisation des effets de la vitesse de croissance des arbres sur la morphologie des tiges et sur les propriétés internes du bois.

Je suis membre régulier du Centre de recherche sur les matériaux renouvelables (CRMR)  de l'université Laval, membre de l'Ordre des ingénieurs forestier du Québec et membre associé au CEF. Avant de me joindre à l'université Laval, j'ai travaillé en tant que chercheur en bio-mécanique des arbres et en sciences du bois au sein de l'institut Forest Research  (Édimbourg, Royaume-Uni).

Réseaux sociaux

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PUBLICATIONS

Profile Google Scholar 

Livres

Chapitres de livre

1. Achim, A., Cloutier, A. (2010) Caractéristiques anatomiques du bois des gymnospermes et des angiospermes. (Chap. 1) In La Dendroécologie : Principes, méthodes et applications. (Payette, S. and Filion, L., Eds.) Presses de l'Université Laval, pages 7-32
2. Andreu, V., Khuder, H., Mickovski, S.B., Spanos, I.A., Norris, J.E., Dorren, L.K.A., Nicoll, B.C., Achim, A., Rubio, J.L., Jouneau, L. et al. (2008) Ecotechnological Solutions for Unstable Slopes: Ground Bio- and Eco-engineering Techniques and Strategies. (Chap. 7) In Slope Stability and Erosion Control: Ecotechnological Solutions. (Norris, J.E., Stokes, A., Mickovski, S.B., Cammeraat, L.H., van Beek, R., Nicoll, B.C. and Achim, A., Eds.) Springer, pages 211-276
3. Norris, J.E., Di Iorio, A., Stokes, A., Nicoll, B.C., Achim, A. (2008) Species Selection for Soil Reinforcement and Protection. (Chap. 6) In Slope Stability and Erosion Control: Ecotechnological Solutions. (Norris, J.E., Stokes, A., Mickovski, S.B., Cammeraat, L.H., van Beek, R., Nicoll, B.C. and Achim, A., Eds.) Springer, pages 167-210
4. Norris, J.E., Greenwood, J.R., Achim, A., Gardiner, B.A., Nicoll, B.C., Cammeraat, E., Mickovski, S.B. (2008) Hazard Assessment of Vegetated Slopes. (Chap. 5) In Slope Stability and Erosion Control: Ecotechnological Solutions. (Norris, J.E., Stokes, A., Mickovski, S.B., Cammeraat, L.H., van Beek, R., Nicoll, B.C. and Achim, A., Eds.) Springer, pages 119-166

Livres, numéros spéciaux et actes de colloques publiés à titre d'éditeur

1. Norris, J.E., Stokes, A., Mickovski, S.B., Cammeraat, E., van Beek, R., Nicoll, B.C. and Achim, A., Eds. (2008) Slope Stability and Erosion Control: Ecotechnological Solutions. Springer. 287 p

Articles révisés par un comité de lecture

1. Moreau, G., Cecil-Cockwell, M.J., Pothier, D., Achim, A., Bedard, S., Guillemette, F., Caspersen, J. (2023) Visual assessment of tree vigour in Canadian northern hardwood forests: The need for a simplified system. Forest Ecology and Management, 529:120720
2. Havreljuk, F., Achim, A., Pothier, D. (2022) Predicting Lumber Grade Occurrence and Volume in Sugar Maple and Yellow Birch Logs. Forest Science
3. Moreau, G., Chagnon, C., Achim, A., Caspersen, J., D’Orangeville, L., Sanchez-Pinillos, M., Thiffault, N. (2022) Opportunities and limitations of thinning to increase resistance and resilience of trees and forests to global change. Forestry: An International Journal of Forest Research, 95(5):595-615
4. Jackson, T.D., Sethi, S., Dellwik, E., Angelou, N., Bunce, A., Van Emmerik, T., Duperat, M., Ruel, J.-C., Wellpott, A., Van Bloem, S. et al. (2021) The motion of trees in the wind: A data synthesis. Biogeosciences, 18(13):4059-4072
5. Moreau, G., Auty, D., Pothier, D., Shi, J., Lu, J., Achim, A., Xiang, W. (2020) Long-term tree and stand growth dynamics after thinning of various intensities in a temperate mixed forest. Forest Ecology and Management, 473
6. Moreau, G., Achim, A., Pothier, D. (2020) An accumulation of climatic stress events has led to years of reduced growth for sugar maple in southern Quebec, Canada. Ecosphere, 11(7)
7. Waldron, K., Auty, D., Tong, T., Ward, C., Pothier, D., Torquato, L.P., Achim, A. (2020) Fire as a driver of wood mechanical traits in the boreal forest. Forest Ecology and Management, 476
8. Moreau, G., Achim, A., Pothier, D. (2020) Relevance of stem and crown defects to estimate tree vigour in northern hardwood forests. Forestry: An International Journal of Forest Research, 93(5):630-640
9. Moreau, G., Achim, A., Pothier, D. (2020) Growth and survival dynamics of partially cut northern hardwood stands as affected by precut competition and spatial distribution of residual trees. Forestry: An International Journal of Forest Research, 93(1):96-106
10. Paixao, C., Krause, C., Morin, H., Achim, A. (2019) Wood quality of black spruce and balsam fir trees defoliated by spruce budworm: A case study in the boreal forest of Quebec, Canada. Forest Ecology and Management, 437:201 - 210
11. Gardiner, B., Achim, A., Nicoll, B., Ruel, J.-C. (2019) Understanding the interactions between wind and trees: an introduction to the IUFRO 8th Wind and Trees Conference (2017). Forestry: An International Journal of Forest Research, 92(4):375-380
12. Moreau, G., Achim, A., Pothier, D. (2019) A dendrochronological reconstruction of sugar maple growth and mortality dynamics in partially cut northern hardwood forests. Forest Ecology and Management, 437:17-26
13. Lemay, A., Krause, C., Achim, A. (2019) Primary and secondary branch growth in black spruce and balsam fir after careful logging around small merchantable stems (CLASS). Forests, 10(6)
14. Lemay, A., Krause, C., Achim, A., Begin, J. (2018) Growth and wood quality of black spruce and balsam fir following careful logging around small merchantable stems (CLASS) in the boreal forest of Quebec, Canada. Forestry, 91(3):271-282
15. Lemay, A., Krause, C., Achim, A. (2018) Comparison of wood density in roots and stems of black spruce before and after commercial thinning. Forest Ecology and Management, 408:94-102
16. Senez-Gagnon, F., Thiffault, E., Pare, D., Achim, A., Bergeron, Y. (2018) Dynamics of detrital carbon pools following harvesting of a humid eastern Canadian balsam fir boreal forest. Forest Ecology and Management, 430:33 - 42
17. Lemay, A., Krause, C., Rossi, S., Achim, A. (2017) Xylogenesis in stems and roots after thinning in the boreal forest of Quebec, Canada. Tree Physiology, 37(11):1554-1563
18. Barrette, J., Thiffault, E., Achim, A., Junginger, M., Pothier, D., de Grandpre, L. (2017) A financial analysis of the potential of dead trees from the boreal forest of eastern Canada to serve as feedstock for wood pellet export. Applied Energy, 198:410-425
19. Boivin-Dompierre, S., Achim, A., Pothier, D. (2017) Functional response of coniferous trees and stands to commercial thinning in eastern Canada. Forest Ecology and Management, 384:6-16
20. Hebert, F., Krause, C., Plourde, P.-Y., Achim, A., Pregent, G., Menetrier, J. (2016) Effect of tree spacing on tree level volume growth, morphology, and wood properties in a 25-year-old Pinus banksiana plantation in the boreal forest of Quebec. Forests, 7(11)
21. Nguyen, Q.N., Cloutier, A., Achim, A., Stevanovic, T. (2016) Fuel properties of sugar maple and yellow birch wood in relation with tree vigor. BioResources, 11(2):3275-3288
22. Laliberte, J., Pothier, D., Achim, A. (2016) Adjusting harvest rules for red oak in selection cuts of Canadian northern hardwood forests. Forestry, 89(4):402-411
23. Auty, D., Achim, A., Macdonald, E., Cameron, A.D., Gardiner, B.A. (2016) Models for predicting clearwood mechanical properties of scots pine. Forest Science, 62(4):403-413
24. Nguyen, Q.N., Cloutier, A., Achim, A., Stevanovic, T. (2015) Effect of process parameters and raw material characteristics on physical and mechanical properties of wood pellets made from sugar maple particles. Biomass and Bioenergy, 80:338-349
25. Duchateau, E., Auty, D., Mothe, F., Longuetaud, F., Ung, C.H., Achim, A. (2015) Models of knot and stemdevelopment in black spruce trees indicate a shift in allocation priority to branches when growth is limited. PeerJ, 2015(4)
26. Guay-Picard, A., Auty, D., Munson, A.D., Achim, A. (2015) Partial harvesting in boreal mixedwoods: A case for planned heterogeneity in industrial silvicultural prescriptions. Forest Ecology and Management, 358:291 - 302
27. Hassegawa, M., Havreljuk, F., Ouimet, R., Auty, D., Pothier, D., Achim, A. (2015) Large-scale variations in lumber value recovery of yellow birch and sugar maple in Quebec, Canada. PLoS ONE, 10(8)
28. Sattler, D.F., Comeau, P.G., Achim, A. (2014) Branch models for white spruce (Picea glauca (Moench) Voss) in naturally regenerated stands. Forest Ecology and Management, 325:74-89
29. Sattler, D.F., Comeau, P.G., Achim, A. (2014) Within-tree patterns of wood stiffness for white spruce (Picea glauca) and trembling aspen (Populus tremuloides). Canadian Journal of Forest Research, 44(2):162-171
30. Xiang, W., Leitch, M., Auty, D., Duchateau, E., Achim, A. (2014) Radial trends in black spruce wood density can show an age- and growth-related decline. Annals of Forest Science, 71(5):603-615
31. Xiang, W., Auty, D., Franceschini, T., Leitch, M., Achim, A. (2014) Wood density-climate relationships are mediated by dominance class in black spruce (Picea mariana (Mill.) B.S.P.). Forests, 5(6):1163-1184
32. Havreljuk, F., Achim, A., Auty, D., Bedard, S., Pothier, D. (2014) Integrating standing value estimations into tree marking guidelines to meet wood supply objectives. Canadian Journal of Forest Research, 44(7):750-759
33. Auty, D., Achim, A., Macdonald, E., Cameron, A.D., Gardiner, B.A. (2014) Models for predicting wood density variation in Scots pine. Forestry, 87(3):449-458
34. Auty, D., Achim, A., Bedard, P., Pothier, D. (2014) StatSAW: modelling lumber product assortment using zero-inflated Poisson regression. Canadian Journal of Forest Research, 44(6):638-647
35. Delisle-Boulianne, S., Fortin, M., Achim, A., Pothier, D. (2014) Modelling stem selection in northern hardwood stands: assessing the effects of tree vigour and spatial correlations using a copula approach. Forestry, 87(5):607-617
36. Paes Torquato, L., Auty, D., Hernandez, R.E., Duchesne, I., Pothier, D., Achim, A. (2014) Black spruce trees from fire-origin stands have higher wood mechanical properties than those from older, irregular stands. Canadian Journal of Forest Research, 44(2):118-127
37. Gagne, L.-V., Genet, A., Weiskittel, A., Achim, A. (2013) Assessing the potential stem growth and quality of yellow birch prior to restoration: A case study in eastern Canada. Forests, 4(4):766-785
38. Lenz, P., Auty, D., Achim, A., Beaulieu, J., MacKay, J. (2013) Genetic Improvement of White Spruce Mechanical Wood Traits—Early Screening by Means of Acoustic Velocity. Forests, 4(3):575-594
39. St-Pierre, F., Achim, A., Stevanovic, T. (2013) Composition of ethanolic extracts of wood and bark from Acer saccharum and Betula alleghaniensis trees of different vigor classes. Industrial Crops and Products, 41:179-187
40. Paradis, N., Auty, D., Carter, P., Achim, A. (2013) Using a standing-tree acoustic tool to identify forest stands for the production of mechanically-graded lumber. Sensors, 13(3):3394-3408
41. Duchateau, E., Longuetaud, F., Mothe, F., Ung, C., Auty, D., Achim, A. (2013) Modelling knot morphology as a function of external tree and branch attributes. Canadian Journal of Forest Research, 43(3):266-277
42. Havreljuk, F., Achim, A., Pothier, D. (2013) Regional variation in the proportion of red heartwood in sugar maple and yellow birch. Canadian Journal of Forest Research, 43(3):278-287
43. Kuprevicius, A., Auty, D., Achim, A., Caspersen, J.P. (2013) Quantifying the influence of live crown ratio on the mechanical properties of clear wood. Forestry, 86(3):361-369
44. Pothier, D., Fortin, M., Auty, D., Delisle-Boulianne, S., Gagne, L.-V., Achim, A. (2013) Improving tree selection for partial cutting through joint probability modelling of tree vigor and quality. Canadian Journal of Forest Research, 43(3):288-298
45. Genet, A., Auty, D., Achim, A., Bernier, M., Pothier, D., Cogliastro, A. (2013) Consequences of faster growth for wood density in northern red oak (Quercus rubra Liebl.). Forestry, 86(1):99-110
46. Auty, D., Gardiner, B.A., Achim, A., Moore, J.R., Cameron, A.D. (2013) Models for predicting microfibril angle variation in Scots pine. Annals of Forest Science, 70(2):209-218
47. Auty, D., Weiskittel, A.R., Achim, A., Moore, J.R., Gardiner, B.A. (2012) Influence of early re-spacing on Sitka spruce branch structure. Annals of Forest Science, 69(1):93-104
48. Barrette, J., Pothier, D., Auty, D., Achim, A., Duchesne, I., Gelinas, N. (2012) Lumber recovery and value of dead and sound black spruce trees grown in the North Shore region of Quebec. Annals of Forest Science, 69(5):603-615
49. Hale, S.E., Gardiner, B.A., Wellpott, A., Nicoll, B.C., Achim, A. (2012) Wind loading of trees: influence of tree size and competition. European Journal of Forest Research, 131(1):203-217
50. Belleville, B., Cloutier, A., Achim, A. (2011) Detection of red heartwood in paper birch (Betula papyrifera) using external stem characteristics. Canadian Journal of Forest Research, 41(7):1491-1499
51. Achim, A., Paradis, N., Carter, P., Hernandez, R.E. (2011) Using Acoustic Sensors to Improve the Efficiency of the Forest Value Chain in Canada: A Case Study with Laminated Veneer Lumber. Sensors, 11(6):5716-5728
52. Ruel, J.-C., Achim, A., Espinoza, R.H., Cloutier, A., Brossier, B. (2010) Wood Degradation after Windthrow in a Northern Environment. Forest Products Journal, 60(2):200–206
53. Ruel, J.-C., Achim, A., Herrera, R., Cloutier, A. (2010) Relating mechanical strength at the stem level to values obtained from defect-free wood samples. Trees - Structure and Function, 24(6):1127-1135
54. Moore, J., Achim, A., Lyon, A., Mochan, S., Gardiner, B.A. (2009) Effects of early re-spacing on the physical and mechanical properties of Sitka spruce structural timber. Forest Ecology and Management, 258(7):1174-1180
55. Achim, A., Nicoll, B.C. (2009) Modelling the anchorage of shallow-rooted trees. Forestry, 82(3):273-284
56. Auty, D., Achim, A. (2008) The relationship between standing tree acoustic assessment and timber quality in Scots pine and the practical implications for assessing timber quality from naturally regenerated stands. Forestry, 81(4):475-487
57. Nicoll, B.C., Berthier, S., Achim, A., Gouskou, K., Danjon, F., van Beek, L.P.H. (2006) The architecture of Picea sitchensis structural root systems on horizontal and sloping terrain. Trees - Structure and Function, 20(6):701-712
58. Achim, A., Gardiner, B.A, Leban, J.M., Daquitaine, R. (2006) Predicting the branching properties of Sitka spruce grown in Great Britain. New Zealand Journal of Forestry Science, 36(2/3):246-264
59. Achim, A., Ruel, J.-C., Gardiner, B.A., Laflamme, G., Meunier, S. (2005) Modelling the vulnerability of balsam fir forests to wind damage. Forest Ecology and Management, 204(1):35-50
60. Gardiner, B.A., Marshall, B., Achim, A., Belcher, R., Wood, C. (2005) The stability of different silvicultural systems: a wind-tunnel investigation. Forestry, 78(5):471-484
61. Achim, A., Ruel, J.-C., Gardiner, B.A. (2005) Evaluating the effect of precommercial thinning on the resistance of balsam fir to windthrow through experimentation, modelling, and development of simple indices. Canadian Journal of Forest Research, 35(8):1844-1853
62. Nicoll, B.C., Achim, A., Mochan, S., Gardiner, B.A. (2005) Does steep terrain influence tree stability? A field investigation. Canadian Journal of Forest Research, 35(10):2360-2367

Articles publiés dans des actes de colloque (proceedings)

1. Achim, A., Paradis, N., Salenikovich, A., Power, H. (2010) Using acoustic tools to improve the efficiency of the forestry wood chain in eastern Canada. In The Future of Quality Control for Wood & Wood Products, May 4-7, 2010, Edinburgh, The Final Conference of COST Action E53.
2. Achim, A., Nicoll, B.C.and Gardiner, B.A. (2003) Wind Stability of Trees on Slopes. In International conference "Wind Effects on Trees". (Ruck, B., Kottmeier, C., Mattheck, C., Quine, C.P. and Wilhelm, G., Eds.) Pages 231-238. University of Karlsruhe, Germany, September 16-18, 2003
3. Ruel, J.-C., Achim, A., Gardiner, B.A., Larouche, C. (2003) Effect of precommercial thinning on balsam fir resistance to windthrow. In International conference "Wind Effects on Trees". (Ruck, B., Kottmeier, C., Mattheck, C., Quine, C.P. and Wilhelm, G., Eds.) Pages 261-268. University of Karlsruhe, Germany, September 16-18, 2003

Rapports scientifiques, manuels et autres

1. Gardiner, B.A., Suarez, J., Achim, A., Hale, S., Nicoll, B.C. (2004) ForestGALES 2 – A PC-based wind risk model for British forests. User’s Guide. Technical report, Forestry Commission

Thèses, mémoires et essais

1. Achim, A. (2004) Effets de l'éclaircie sur la résistance au chablis et la qualité du bois en sapinière. Thèse de doctorat, Université Laval

Thèses, mémoires et essais supervisés

1. Moreau, G. (2020) Évaluation du potentiel de croissance des arbres feuillus et de leur sensibilité aux conditions climatiques. Thèse de doctorat, Université Laval
2. Paixao C. (2018) Évaluation de quelques paramètres de la qualité du bois affecté par l’épidémie de la tordeuse des bourgeons de l’épinette. Mémoire de maîtrise, Université du Québec à Chicoutimi
3. Lemay, A. (2017) Croissance et propriétés du bois de la tige et des racines de l’épinette noire et du sapin baumier après une coupe partielle en forêt boréale. Thèse de doctorat, Université du Québec à Chicoutimi
4. Boivin-Dompierre, S. (2016) Réaction fonctionnelle des arbres et des peuplements à l'éclaircie commerciale en forêt résineuse. Mémoire de maîtrise, Université Laval
5. Bernier, M. (2016) L'éclaircie commerciale des peuplements d'épinette noire : qualité et valeur des sciages. Mémoire de maîtrise, Université Laval
6. Havreljuk, F. (2015) Évaluation visuelle des arbres feuillus sur pied et valeur des produits transformés. Thèse de doctorat, Université Laval
7. Ventura-Giroux, C. (2012) Le potentiel de croissance du pin blanc (Pinus strobus L.) à la limite nordique de son aire de distribution. Mémoire de maîtrise, Université Laval
8. Paradis, N. (2011) Relations entre les propriétés mécaniques du bois et les vitesses acoustiques mesurées à trois étapes du processus de transformation du bois. Mémoire de maîtrise, Université Laval

Articles non révisés par un comité de lecture

1. Achim, A., Auty, D. (2011) Increasing the house odds. Furniture Design and Manifacturing Asia, 23(7):42-44

Autres publications sans comité de lecture

• Comité d’experts sur les solutions, 2009. Projet de développement d’une approche d’aménagement écosystémique dans la réserve faunique des Laurentides. Fiches techniques. Québec. 130 p.

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