Cork Harvesting

In case you've ever wondered, this is how cork is harvested.
articiansays...

Correct me if I'm wrong, but I didn't quite understand it. Do they acquire the cork material from the bark only? And then let the living tree replenish itself?

BicycleRepairMansays...

Interesting. Removing bark from trees rarely kills the tree directly, by the way, since nutrient to the tree travels up the actual tree, while the tree actually provide fixated carbon to the soil downwards through the bark, and drives soil respiration. So, when you remove the bark, you are not actually damaging the tree directly, you are damaging the below-ground ecosystem, which in turn damages the trees.

EDIT: The above is true for trees in general and may or may not apply to the trees in the video.

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