The Black Wood of Rannoch

The Black Wood of Rannoch is a thousand hectare area of ancient Caledonian Forest which has been continuously forested with native species for the last 10,000 years or so. People have harvested the trees in the past, but they’ve not been replaced by human replanting rather than natural regeneration, as is the case in the adjacent forests and most woodland across the island of Great Britain.

Earlier this month I was able to visit and photograph the wood, and I’ve already posted some pictures of a root plate in a blog post about that. Below are some more pictures with a wider range of subjects.

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Root plates

I really love root plates. They’re the disc of earth, stones, and roots that you often see when a big tree falls over. They reveal something otherwise hidden: a snapshot of what was going on a bit underground, directly under the trunk itself. The most surprising thing is just how shallow they are. Twenty metres of substantial tree trunk laid on the ground but only a foot or two of substantial roots.

Root plates naturally have a mention in Oliver Rackham’s magisterial “Woodlands”:

“until 1987 few English people understood what a tree’s root system looked like; some thought roots went as nearly as far below ground as stems above it. As the great storms of 1987 and 1990 showed, most trees in England are shallow rooted. It may be argued that deep-rooted trees were never uprooted, but anyone digging holes in a wood seldom meet roots more than 3 feet (1 metre) down. A giant beech can have a root-plate only a few inched deep, much less than the diameter of the trunk.”

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