607
Boy, 16, arrested after felling of famous Sycamore Gap tree at Hadrian’s Wall
(www.theguardian.com)
this post was submitted on 29 Sep 2023
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Insane question, could the tree be saved by splicing it back into the trunk? Like you can do with small trees?
If they had found it right after it had been felled, they might have had a slight chance if they already had a crane nearby and ready and a firehouse.
Trees are basically a huge ring of tubes to carry water/sap/ tree blood, a thin layer of living wood between the bark and the dead wood inside from earlier growth. The tree relies on those tubes always being full of water because it doesn't have any way to push the sap around actively. The water evaporates from the leaves, buds, any part of the tree not covered by bark, and this pulls water from the bottom of the tree up to replace it. (Technically the water moves up due to capillary action of the close molecular interactions of the H2O and the tiny size of the tubes so it doesn't need a lot of "pull")
But if these tubes get cut, an air bubble gets in and that flow is interrupted. It's difficult or impossible for a plant to recover flow in that tube. If the cut is kept wet, it can keep air from blocking the tube, which is wide you are advised to trim flower stems under running water and never let them dry out if you are keeping flowers in a vase.
If a tree loses most of all of these tubes to air bubbles, it can't really recover. This is why "ringing" a tree kills it and also why there is a strict limit on the number of times you can tap a Maple Tree for syrup.
Not OP, but thanks for taking the time to thoroughly answer a question I had as well.
Awesome answer, thanks!
Maybe replacing it from a cutting would be easier?
Maybe easier, but much more time consuming (300 years give or take)
I am guessing that the most cost-effective option is just replacing the tree, which is probably what they will most likely do. But I hope they take another tack and find a way to restore it.
Unfortunately, I don’t think that’s an easy proposition - or perhaps even possible - to do with a fuck-off huge 300-year-old tree.
No. Not even remotely possible for a tree that age and size. Even as an experiment with planning ahead, it would fail.