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Effects of genetics on the wood properties of Sitka spruce growing in the UK: bending strength and stiffness of structural timber. (2009)
Journal Article
Moore, J. R., Mochan, S. J., BrĂĽchert, F., Hapca, A. I., Ridley-Ellis, D., Gardiner, B. A., & Lee, S. . J. (2009). Effects of genetics on the wood properties of Sitka spruce growing in the UK: bending strength and stiffness of structural timber. Forestry, 82, 491-501. https://doi.org/10.1093/forestry/cpp018

Mechanical tests were conducted on structural timber from a 37-year-old Sitka spruce (Picea sitchensis (Bong.) Carr), progeny trial located in Kershope Forest, Cumbria, UK. Values of modulus of rupture (MOR) and global modulus of elasticity (MOEG) in... Read More about Effects of genetics on the wood properties of Sitka spruce growing in the UK: bending strength and stiffness of structural timber..

Strategic Integrated Research in Timber: Getting the most out of the UK's timber resource. (2009)
Journal Article
Ridley-Ellis, D., Moore, J., Lyon, A. J., Searles, G. J., & Gardiner, B. A. (2009). Strategic Integrated Research in Timber: Getting the most out of the UK's timber resource. Non-conventional Materials and Technologies,

Sitka spruce (Picea sitchensis) is the United Kingdom’s main commercial tree species accounting for nearly one-third of the UK's total woodland area and half of its conifer estate. Sawn timber from this species readily grades to the C16 strength clas... Read More about Strategic Integrated Research in Timber: Getting the most out of the UK's timber resource..

Random acts of elasticity: MoE, G and EN408. (2009)
Presentation / Conference Contribution
Ridley-Ellis, D., Moore, J., & Khokhar, A. M. (2009, April). Random acts of elasticity: MoE, G and EN408

The paper examines the variation in modulus of elasticity (MoE) and shear modulus (G) within sawn timber and the implications for testing timber in accordance with EN408:2003. A combination of mechanical testing and simple analytical modelling is us... Read More about Random acts of elasticity: MoE, G and EN408..

Determining the Shear Modulus of Sitka Spruce from Torsion Tests (2008)
Journal Article
Khokhar, A. M., Zhang, H., Ridley-Ellis, D., & Moore, J. (2008). Determining the Shear Modulus of Sitka Spruce from Torsion Tests. Timber Engineering,

This paper presents details of the experimental method, and preliminary results from, a series of torsion tests undertaken to evaluate the shear modulus of Sitka spruce (Picea sitchensis) timber. Direct torsion tests were used to determine the variat... Read More about Determining the Shear Modulus of Sitka Spruce from Torsion Tests.

Recruiting Women into Scottish Wood Chain Industries (2008)
Journal Article
Ridley-Ellis, D., MacPherson, S., & Thomson, E. (2008). Recruiting Women into Scottish Wood Chain Industries. Timber Engineering, 1, 477-485

In common with many countries, the composition and attitudes of Scotland’s population are changing. It is the regions where the industries in the wood products value chain are based that are expected to change most dramatically. These industries cont... Read More about Recruiting Women into Scottish Wood Chain Industries.

Strength grading and the end user – lessons from the SIRT project at Napier University (2008)
Presentation / Conference Contribution
Ridley-Ellis, D., Moore, J., & Lyon, A. J. (2008, October). Strength grading and the end user – lessons from the SIRT project at Napier University. Presented at Conference COST Action E53 “End user’s needs for wood material and products”

The paper reviews the research that has been undertaken by the Strategic Integrated Research in Timber (SIRT) project at Napier University, with reference to the technologies, techniques and approaches required to grade the UK’s timber resource accor... Read More about Strength grading and the end user – lessons from the SIRT project at Napier University.

Promoting the science and engineering of timber to children. (2008)
Journal Article
Ridley-Ellis, D. (2008). Promoting the science and engineering of timber to children. Timber Engineering,

The UK’s young people are generally very poorly informed about the opportunities that exist for them in wood science and timber engineering, and commonly perceive the sector to be old-fashioned, unrewarding, environmentally damaging, and requiring of... Read More about Promoting the science and engineering of timber to children..

Properties of UK-Grown Sitka Spruce: Extent and Sources of Variation. (2008)
Journal Article
Moore, J., Lyon, A. J., Ridley-Ellis, D., & Gardiner, B. A. (2008). Properties of UK-Grown Sitka Spruce: Extent and Sources of Variation. Timber Engineering,

Structural timber produced from Sitka spruce plantations in the UK typically achieves the requirements for the C16 strength class. However, very little is known about the variability of this plantation resource, or the factors that contribute to this... Read More about Properties of UK-Grown Sitka Spruce: Extent and Sources of Variation..

Do people grow on trees? Guidance for employers in the Scottish forest and timber industries. (2008)
Report
Bond, S., Thomson, E., MacPherson, S., & Ridley-Ellis, D. (2008). Do people grow on trees? Guidance for employers in the Scottish forest and timber industries

The final report for the Forest Industries Recruitment and Retention (FIRRS) project.

Forests and their products are hugely important to the economic and environmental sustainability of Scotland’s economy and influence many aspects of Scottish soc... Read More about Do people grow on trees? Guidance for employers in the Scottish forest and timber industries..

Detection of β-1-4-galactan in compression wood of Sitka Spruce (Picea sitchensis (Bong.) Carrière) by immunofluorescence. (2007)
Journal Article
Hapca, A. I., Altaner, C., Knox, J. P., & Jarvis, M. C. (2007). Detection of β-1-4-galactan in compression wood of Sitka Spruce (Picea sitchensis (Bong.) Carrière) by immunofluorescence. Holzforschung, 61(3), 311-316. https://doi.org/10.1515/HF.2007.049

β-1-4-Galactan has been detected in Sitka spruce [Picea sitchensis (Bong.) Carrière] by an immunofluorescence procedure. The anti-β-1-4-galactan monoclonal antibody LM5 was found to bind to compression wood (CW) tissue as identified by cell morpholog... Read More about Detection of β-1-4-galactan in compression wood of Sitka Spruce (Picea sitchensis (Bong.) Carrière) by immunofluorescence..

A digital photographic method for 3D reconstruction of standing tree shape. (2007)
Journal Article
Hapca, A. I., Mothe, F., & Leban, J.-M. (2007). A digital photographic method for 3D reconstruction of standing tree shape. Annals of Forest Science, 64(6), 631-637. https://doi.org/10.1051/forest%3A2007041

A digital photographic method is presented which is able to reconstruct the profile of the stem on standing trees up to a height of 12 m and to provide a fine level of detail. The method uses two digital photographs taken at 90° to each other and doe... Read More about A digital photographic method for 3D reconstruction of standing tree shape..

Modelling environmental variation in Young’s modulus for Pinus radiata and implications for determination of critical buckling height. (2006)
Journal Article
Watt, M. S., Moore, J. R., Facon, J.-P., Downes, G. M., Clinton, P. W., Coker, G., Davis, M. R., Simcock, R., Parfitt, R. L., Dando, J., Mason, E. G., & Bown, H. E. (2006). Modelling environmental variation in Young’s modulus for Pinus radiata and implications for determination of critical buckling height. Annals of Botany, 98, 765-775. https://doi.org/10.1093/aob/mcl161

Background and Aims: Although density-specific stiffness, E/, (where E is Young's modulus and is wood density) is often assumed constant by the elastic similarity model, and in determination of critical buckling height (Hcrit), few studies have test... Read More about Modelling environmental variation in Young’s modulus for Pinus radiata and implications for determination of critical buckling height..

Timber Engineering Online. (2006)
Journal Article
Nolte, S., & Ridley-Ellis, D. (2006). Timber Engineering Online. Timber Engineering,

This paper highlights some of the opportunities, challenges and issues encountered in creating online teaching and learning materials for timber engineering that provide an experience equivalent to face-to-face teaching for the student. It introduces... Read More about Timber Engineering Online..

Women in education and training for the Scottish wood chain (2006)
Journal Article
Ridley-Ellis, D., & Wise, S. (2006). Women in education and training for the Scottish wood chain. Timber Engineering,

The paper introduces a new project at Napier University in Edinburgh into the issues surrounding entry, progression and retention of female students for courses relating to the growing, processing and utilisation of timber for use in the built enviro... Read More about Women in education and training for the Scottish wood chain.

An inexpensive instrument to measure the dynamic response of standing trees to wind loading (2005)
Journal Article
Moore, J. R., Gardiner, B. A., Blackburn, G. R. A., Brickman, A., & Maguire, D. A. (2005). An inexpensive instrument to measure the dynamic response of standing trees to wind loading. Agricultural and forest meteorology, 132(1-2), 78-83. https://doi.org/10.1016/j.agrformet.2005.07.007

A relatively inexpensive caliper type strain-gauge transducer was developed for measuring the dynamic behavior of tree stems and branches subjected to wind loading. Laboratory and field tests showed that the voltage signal produced by the transducer... Read More about An inexpensive instrument to measure the dynamic response of standing trees to wind loading.

New directions for NDT in forestry (2005)
Journal Article
Mackenzie, R., Smith, S., & Fairfield, C. A. (2005). New directions for NDT in forestry. Insight - Non-Destructive Testing & Condition Monitoring, 47(7), 416-420. https://doi.org/10.1784/insi.2005.47.7.416

The need for improved timber quality assessment is important to the forestry industry. Scotland's harvestable softwood population will reach the peak of its 50 year plantation cycle in 2020. Current mechanical grading results in waste and the underly... Read More about New directions for NDT in forestry.

An investigation of cell wall micropore blocking as a possible mechanism for the decay resistance of anhydride modified wood (2005)
Journal Article
Hill, C. A. S., Forster, S. C., Farahani, M. R. M., Hale, M. D. C., Ormondroyd, G. A., & Williams, G. R. (2005). An investigation of cell wall micropore blocking as a possible mechanism for the decay resistance of anhydride modified wood. International biodeterioration & biodegradation, 55(1), 69-76. https://doi.org/10.1016/j.ibiod.2004.07.003

Corsican pine (Pinus nigra) sapwood was chemically modified with acetic, or hexanoic anhydride to a variety of weight percentage gains. The cell wall microporosity of the wood before and after chemical modification was determined using the technique... Read More about An investigation of cell wall micropore blocking as a possible mechanism for the decay resistance of anhydride modified wood.