Old trees more important than pollarding for the diversity of lichen, fungi and mosses
NB! Denne artikkelen ble publisert i 2017!
Pollarded trees have a higher diversity of lichen, fungi and mosses, but this may be due mainly to the high age of these trees
Pollarding of trees is the harvesting of leaves and small branches for animal fodder. Up until World War II pollarding was a crucial addition to the animal fodder on farms all over Europe and in Norway.
Old pollarded trees are o