How Trees Communicate

While we appreciate the timber and other resources that trees offer us, it is important to remember that they are living beings as well.

Today, we want to take a look at the inherent interconnectivity of trees, so we can better understand and appreciate the variety of things they do for us.

So, How Do They Communicate?

It is common for us to picture forests and see the trees swaying together, but the real secret lies below.

Over the last few years, scientists have dug into the underground world to better understand how trees flourish together. The answer seems to be fungi.

These fungi permeate the earth beneath our feet,including near tree roots.The fungi do this to set up a network for growth. They provide nutrients to the trees and, in return, the trees offer them sugars vital to their survival.

However, this isn’t the only purpose the fungi serve. Through this trading process, they have set up a network of connections between the trees, this is known as a Mycorrhizal Network. This can come in the form of endomycorrhizal or ectomycorrhizal systems.

Ecto networks are based around coating roots and spreading between cells, whereas an endo network aims to pierce cells directly.

The trees use these fungal connections to funnel resources to one another, keeping groups of trees healthy and thriving.

In the event of a tree dying, they are likely to mass deposit their resources, spreading them to healthier variants in the area.

How Does This Affect The Life of Trees?

After establishing this fact, it was brought to light that trees are in fact very communal organisms. They can often be found creating alliances with other species, to ensure that all their needs are met.

“Mother Trees” that have shaded saplings within their vicinity, will provide additional nutrients to them through this network, helping to create larger and stronger trees.

Although trees are largely communal, some trees will actively try to sabotage rivals within the area. This can be seen best with the black walnut species.

The black walnut tree actively produces and distributes harmful and toxic chemicals. If intercepted, this causes harm to the surrounding trees, giving the black walnut more space to grow.

As well as trees, plants can also exist within this network. However, this does not mean that there are more resources to go around. Species of plants such as orchids tap into this system to use it for their own gain.

Some trees have developed specific methods of communication, like the umbrella thorn acacia in the Sahara desert.

As giraffes eat the leaves of the acacia trees, distress signals are sent by the trees to their neighbours using ethylene gas. Any acacia that is able to detect the gas starts to produce tannins within its leaves.

These tannins are unsavoury and even dangerous to herbivores, leading to certain unfavourable outcomes for our long-necked friends.

We hope you’ve enjoyed this brief excavation into the secret world of trees. Be sure to follow our blog for other interesting topics that may spring from the ground.

Should any questions sprout, give us a call on 0345 638 1340 and we will be happy to help.

Image: Smileus / Shutterstock.com

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How trees communicate

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Our timber experts have years of experience and will be able to match the perfect species to your project, as well as provide a quote for sustainable timber at highly competitive prices.

Frequently asked questions

Do you supply timber for domestic uses?

Yes, we supply timber for domestic applications as well as commercial and public constructions. From garden decking to shed cladding, we will be happy to supply smaller deliveries for home use.

Is your timber FSC-certified?

Yes, all timber we supply is FSC or PEFC certified and sourced from independently verified responsibly managed forests. If we can’t find your request in FSC/PEFC certified timber we’ll suggest an alternative that is certified or clearly note that the offer is minimum EUTR.

Where does EcoChoice deliver to?

EcoChoice delivers to construction sites, warehouses and homes across the UK, as long as there’s access and unloading for our trucks.

What are the best timber species for exterior use?

There are many different timber species suitable for exterior use and which is the best for your project depends on your requirements. In general, though, we recommend EkkiGreenheartOpepe and Oak for heavier civil/marine uses. For intermediary external use such as decking, where the timber needs to be both strong and durable but not on the same level as civil engineering (bridgespiling, etc) we usually supply CumaruIpe, Jatoba, and Balau. And for the lighter exterior use where the timber is non-structural such as cladding, we deliver CedarLarchThermowood and others.

Which timber is the most durable?

Durability Class 1 timbers are the most durable. This of course depends on the use (hazard) class they’ll be in service for. For direct ground and water contact such as sleepers, fenders, marine piling, etc, Ekki and Greenheart are known to be the most durable timbers available. For decking and cladding where there’s no direct ground contact (use class 3) there’s a much wider range of timbers such Larch, Cedar, Thermo modified Pine or Ash and others.

What’s the best timber for internal cladding?

Internal cladding, where your timber is not in ground and not exposed to the elements can be classed as either use-class 1 or 2 – in which case most timbers will meet this durability criteria. That is not to say they’ll be the best, since internal environments have lower humidity (moisture) levels than outside. So in these cases, it’s best to go for a kiln-dried timber cladding board as these are more stable and delivered already in lower MC (moisture content) than the usual fresh sawn timbers sent to external applications. A word of caution – as timber reacts to variations in moisture, it’s best to avoid cladding any areas inside your bathroom.

How can I make decking less slippery?

The first thing is to ensure your deck boards are kept clean from leaves and other debris which will, over time, cover the surface and make it more slippery. Grooved boards can be used to improve grip if installed and used perpendicular to traffic, so especially useful in narrow passages and footbridges. Lastly, you can add our Grip-Choice strips: these are a mix of epoxy with aggregates that add gripping ridges to your deck area. Gripchoice is an easy way to make decking less slippery and safer, especially over large areas or where there’s high traffic. We can pre-install Grip-Choice strips for your decking before delivery or ship the strips separately to add to your existing deck’s grooves as a retro-fit solution.

What wood machining services do you offer?

We can offer planing, sawing, drilling and profiling of rough-sawn wood to any profile you require: from handrails to large port fenders.

Can you supply pre-drilled timber?

Yes, we will be happy to provide pre-drilled timber which is tailored to your needs for quick installation, thus saving you valuable time on site.

What cladding profiles do you supply?

We provide a wide range of cladding profiles, including tongue and groove, featheredge and shiplap. You can check the standard profiles here – but we can also match or custom make profiles to suit your specific needs.

Does timber change colour?

Yes, timber is well-known for changing colour over time. Some species can darken quickly right after installation, and like most untreated wood will eventually weather to a beautiful silver-grey. Interior timber is less likely to change colour (depending on conditions), and timber can be stained, painted or treated with UV-resistant oils to reduce colour change.

Do I need to treat exterior timber?

Some timbers such as Oak and Ekki, can withstand the strains of exterior use without any treatment. However, to extend the lifespan and maintain the aesthetic of your wood, we do recommend treating your timber with stains and oils. Pre-treated timber, such as ThermoWood and OrganoWood, are low-maintenance options which are more durable, but can have their life service extended by applying a clean and stain maintenance schedule.

Do I need to treat interior timber?

Depends on what area the timber is being used. For floor joists and timber rafters, it is common to see timber treated, or least very well kiln-dried. Other uses such as flooring may benefit from varnishing while internal timber cladding for decorative purposes shouldn’t require any treatment other than if you want to change its colour with different types of stains or oils.

Where are you based?

We’re based in Cambridge, UK, and coordinate multiple sawmills all over the world to manufacture your order. We then organise delivery with a range of hauliers so that your orders gets to your site on time.

What are the usual decking sizes?

Timber decking is usually 21x140mm or similar. For heavier applications where there’s more load and traffic, we deliver 35 or 45mm thick boards (such as Hastings Pier). Narrower boards are also possible: 95-90mm is a standard width – but we can manufacture whatever size you require.

What are the usual cladding sizes?

Typical cladding section sizes are 18×95 and 18x145mm although we can always custom make a section to suit your project’s design requirements. That includes waney edge boards in Oak or Chestnut as well as extra wide 195mm boards.

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Always helpful! One of our valued TDCA DeckMark and CladMark accredited supplier members which means their quality procedures are routinely audited and stand up to scrutiny giving you extra peace of mind.

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Having needed the supply of cladding, decking boards and other specified timbers through out the year Eco choice have been very helpful in sourcing the specified timbers and quantities required at a very competitive price.

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