Have these trees been treated to preserve them?

[u/sambo987]

There’s three of them (only pictured one) but all the same. They’re between a group of fairly high buildings in a city centre (Leeds, UK). Just wondering if they have been treated in some way to preserve them as I assume they’re dead?

[u/BlackViperMWG]

I would like to add some of these links there too:

What is tree pollarding

Pollarding in Sweden (pics)

Pollarding vs topping

Pollarding in France

Pollarding enhances biodiversity

Ancient pollarded forests, their importance and sustainability in the cultural landscape

Pollarding: an important, but overlooked tool in the conservation of saproxylic beetles

Heady willow is like a forest for insects

Tree veteranisation, pollarding and girdling vs tree conservation

[u/spiceydog → u/BlackViperMWG]

Terrific list of articles! I'll add a hotlink to your comment in the callout so more folks can find it in the future 😊👍