Tree Stem Inspection
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Tree Stem & Main Branches to Assess Cavities, Holes or Decay
Trees are supported by wood and changes in the quality and /or its location can have significant implications for the tree’s safety. By understanding the wood produced by the tree we can provide an insight into the tree’s strength, safety and identify areas of weakness to enable intervention management.
To directly assess the quality of wood we have several methods which broadly break down between those that injure the tree and those which allow the tree to continue to grow with limited harm.
Injurious methods
This can include Increment Bores, Resistograph or Wood Sampling, this can provide good information but leave a hole that can breach a trees internal defence mechanism, we typically only use this where there is a significant safety concerns or as a last resort.
Non-Injurious methods
Thermal Imaging
These produce images based upon the surface temperature of the tree and show subtle temperature changes across a section of the trunk or main branches. This method is good to rapidly identify areas altered by decay or with restricted or elevated vascular activity.
Microsecond Timer
This method records the time taken for a sound wave to travel between two sensors across a branch or stem. It provides an rapid insight into the condition of the internal wood condition or identifies the need or location of further assessment. The Microsecond Timer is very portable and so is good for rapid assessment during normal surveying or climbing Inspection.
Sonic Tomography
Sonic tomograms are produced by recording and comparing the time taken for sound waves sent from points around a tree. We use a system that uses up to 32 points providing a brilliant level of detail in comparison to other systems that can be limited to only 12 sensors or less. At its most simple the faster the sound wave the better the quality of the wood.
The information can be used to create 2D and 3D images a little like a body scan to provide a better understanding of the internal condition of the stem and understand the implications of the defect, the tree response and better understand its stability.
Electrical Impedance Tomography (EIT)
This method measures subtle changes to the pattern of electrical current travelling through the stem or trunk of a tree and provides information on both chemical and physical properties. It can even identify areas currently affected by fungal colonisation but not yet decaying to enable us to understand where decay will be, not just where it is today. These results can be combined with other scans to provide a better understanding of the internal condition of the stem and the tree’s response to change.
RADAR Decay Mapping
This method uses Radar (RAdio Detection And Ranging) to measure the depth at which significant changes/margins in the wood occur to produce detailed information on the shell thickness of a tree and can be combined with other scans to help understand tree safety. Reflections from air-filled hollow, or partially air-filled incipient decay can be detected by the systems, and provide a high level of detail on outer shell thickness and strength.
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LOCAL, TRUSTED, EXPERIENCED
Why Choose Barnes & Associates
30+ Years of Expertise
Proven track record in arboriculture and landscape consultancy across the UK and Ireland.
Comprehensive Services
From tree health surveys to landscape design, covering all client needs.
Holistic Approach
Balancing safety, health, and aesthetics for effective, practical solutions.
Local Knowledge
Extensive expertise in Yorkshire and surrounding areas for region-specific projects.
Qualified Professionals
Team includes Registered Consultants, Chartered Landscape Architects, and Environmentalists.
Advanced Diagnostics
Cutting-edge tools like tomography, dynamic tree testing, and ground-penetrating radar.
Tailored Solutions
Client-focused, turning challenges into opportunities with innovative ideas.
Sustainability Focus
Promoting environmental conservation through woodland plans and strategic planting.
TREE STEM INSPECTIONS
Frequently Asked Questions
What is the main function of a tree stem?
A tree stem supports the branches and leaves, transports water and nutrients between the roots and leaves, and stores essential nutrients.
How can I identify the type of tree from its stem?
You can identify a tree by examining the bark texture, colour, patterns, and the overall size and shape of the stem.
What is the difference between a tree stem and a trunk?
The terms are often used interchangeably, but the “trunk” specifically refers to the main woody part of the tree, while “stem” is a broader term that can include smaller branches.
Why do some tree stems have unique patterns or scars?
These patterns and scars are usually caused by natural growth processes, weathering, insect activity, or pruning.
How do tree stems grow thicker?
Tree stems grow thicker through a process called secondary growth, where the cambium layer produces new wood and bark each year.
Why is the bark on some tree stems peeling?
Bark peeling is a natural process for some trees as they grow, but it can also indicate pests, disease, or environmental stress.
Can damage to a tree stem harm the entire tree?
Yes, significant damage to the stem can disrupt nutrient flow and weaken the tree, potentially leading to its decline.
How can I protect tree stems from damage?
Protect tree stems by using guards, avoiding lawn equipment near the base, and ensuring proper mulching to prevent pests and diseases.
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Locations
Areas We Cover
North Yorkshire
Harrogate | Ripon | Knaresborough | Boroughbridge | Thirsk | Tadcaster | Darlington | Northallerton | York
West Yorkshire
Leeds | Wetherby | Wakefield | Bradford | Dewsbury | Batley | Halifax | Huddersfield
