tjj wrote: I understand Lewis and Orkney, which are now completely without trees except for plantations (e.g. woodland near Stornoway) was due to excessive farming from the neolithic onwards.
"Excessive" farming! Brilliant!
There are extant native trees in these islands.
There are many factors which severely limit tree growth in these island groups.
I have recently returned from an Inner Hebridean island which has no leaves on any of its trees. The parching weather coupled with strong winds a few weeks back has brought an early autumn. Try that for a couple of years.
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