The Sycamore Gap Tree was planted in Northumberland in the 19th century and was one of the most photographed trees in the country. It stood in a dip along Hadrian’s Wall, a 73-mile wall built by the Romans in about AD122...
So let's say we need 9 leaves to cover it entirely. The measured diameter of the tree crown projection on the ground is about 30 ft. Since we have collected leaves from the sycamore maple, let's choose the LAI of a typical deciduous tree. That's all! The number of leaves on our ...