Caledonian crisis facing Scots pine
There is a saying that when the going gets tough, the tough get going. Well, they don’t come much tougher than this one — the Scots pine, or Pinus sylvestris. The fact that you will see old gnarled individuals clinging on to the edges of rock faces well up the side of some Scottish mountains is a testament to precisely how gritty this tree is.
It appeared in this country about 9,000 years ago as the temperature increased and
