Related Experiment Video
Updated: Feb 13, 2026

A Technical Perspective in Modern Tree-ring Research - How to Overcome Dendroecological and Wood Anatomical Challenges
Published on: March 5, 2015
Weighing trees with lasers: advances, challenges and opportunities
M I Disney1,2, M Boni Vicari1, A Burt1
1UCL Department of Geography, Gower Street, London WC1E 6BT, UK.
Terrestrial laser scanning (TLS) offers detailed 3D tree measurements, improving above-ground biomass (AGB) estimates and developing new allometric scaling equations (ASEs). This technology enhances forest structure quantification and opens new research avenues.
Area of Science:
- Forestry
- Ecology
- Remote Sensing
Background:
- Current above-ground biomass (AGB) estimations rely on empirical allometric scaling equations (ASEs), which have inherent uncertainties and limitations.
- Accurate quantification of forest structure is crucial for ecological studies and carbon cycle monitoring.
- Terrestrial laser scanning (TLS) offers a novel, non-destructive method for detailed forest structure assessment.
Purpose of the Study:
- To demonstrate how Terrestrial Laser Scanning (TLS) can overcome limitations in current above-ground biomass (AGB) estimation methods.
- To present the application of TLS for detailed 3D modeling of tree and forest structure.
- To explore the potential of TLS-derived data for improving allometric scaling equations (ASEs) and advancing ecological research.
Main Methods:
- Utilizing Terrestrial Laser Scanning (TLS) to capture high-resolution 3D point clouds of trees in tropical and temperate forests.
- Processing TLS data to generate quantitative 3D models of individual tree components (trunk, branches).
- Analyzing 3D structural data to derive improved parameters for allometric scaling equations (ASEs).
Main Results:
- TLS provides detailed, non-destructive measurements of tree form, independent of size and shape.
- 3D models derived from TLS data significantly enhance the accuracy of above-ground biomass (AGB) estimations.
- The study presents examples of TLS applications and discusses the potential for new, improved large-scale ASEs.
Conclusions:
- Terrestrial Laser Scanning (TLS) is a powerful tool for precise quantification of tree and forest structure, particularly for above-ground biomass (AGB) estimation.
- TLS enables the development of more robust allometric scaling equations (ASEs) and provides novel insights into tree form and scaling patterns.
- Wider adoption of TLS methods holds significant potential for advancing ecological research and forest management, despite remaining challenges.
Related Concept Videos
The Tree of Life - Bacteria, Archaea, Eukaryotes
Survival Tree
Building a Survival Tree
Constructing a...
Phylogenetic Trees
The Bronchial Tree
The trachea, commonly known as the windpipe, is a tube that connects the larynx (voice box) to the bronchi. At a point called the carina, it bifurcates into two primary bronchi. The right primary bronchus is wider, shorter, and more vertical than the left primary...
Overview of Advanced Functional Groups
Functional groups are groups of atoms with specific chemical properties that occur within organic molecules and are sometimes denoted as “R”. Functional groups can “functionalize” a compound by enabling it to adopt different physical and chemical properties.
Types of Advanced Functional Groups
The table below summarizes some of the major functional groups in organic chemistry.
Extraction: Advanced Methods

