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Annemarie Eckes-Shephard

Annemarie Eckes-Shephard

Researcher

Annemarie Eckes-Shephard

A Review of Progress and Applications in Wood Quality Modelling

Author

  • David M. Drew
  • Geoffrey M. Downes
  • Thomas Seifert
  • Annemarie Eckes-Shepard
  • Alexis Achim

Summary, in English

Purpose of Review: Producing wood of the right quality is an important part of forest management. In the same way that forest growth models are valuable decision support tools for producing desired yields, models that predict wood quality in standing trees should assist forest managers to make quality-influenced decisions. A challenge for wood quality (WQ) models is to predict the properties of potential products from standing trees, given multiple possible growing environments and silvicultural adjustments. While much research has been undertaken to model forest growth, much less work has focussed on producing wood quality models. As a result, many opportunities exist to expand our knowledge. Recent Findings: There has been an increase in the availability and use of non-destructive methods for wood quality assessment in standing trees. In parallel, a range of new models have been proposed in the last two decades, predicting wood property variation, and as a result wood quality, using both fully empirical (statistical) and process-based (mechanistic) approaches. Summary: We review here models that predict wood quality in standing trees. Although other research is mentioned where applicable, the focus is on research done within the last 20 years. We propose a simple classification of WQ models, first into two broad groupings: fully empirical and process-based. Comprehensive, although not exhaustive, summaries of a wide range of published models in both categories are given. The question of scale is addressed with relevance to the range of possibilities which these different types of models present. We distinguish between empirical models which predict stand or tree-level wood quality and those which predict within-tree wood quality variability. In this latter group are branching models (variation up the stem) and models predicting pith-to-bark clear-wood wood property variability. In the case of process-based models, simulation of within-tree variability, and specifically, how that variability arose over time, is always necessary. We discuss how wood quality models are, or should increasingly be, part of decision support systems that aid forest managers and give some perspectives on ways to increase model impact for forest management for wood quality.

Department/s

  • BECC: Biodiversity and Ecosystem services in a Changing Climate
  • Dept of Physical Geography and Ecosystem Science

Publishing year

2022-12

Language

English

Pages

317-332

Publication/Series

Current Forestry Reports

Volume

8

Issue

4

Document type

Journal article review

Publisher

Springer

Topic

  • Forest Science

Keywords

  • Cambial model
  • LiDAR
  • Model ensembles
  • Projection model
  • Within-tree variability
  • Xylogenesis
  • Wood quality
  • Forestry

Status

Published

Project

  • Redefining the carbon sink capacity of global forests: The driving role of tree mortality

ISBN/ISSN/Other

  • ISSN: 2198-6436