d_logging_method

Last change: 2022.2

CODE DESCRIPTION FROM_YEAR TO_YEAR
1 Trees are cut into pieces where they have fallen down (before extraction) 1984  
2 Whole trees are extracted from the area, then cut into pieces outside 1984  
3 Tree girdling: remove a ring of bark, phloem and cambium all around the trunk, to make a tree die 1984  
99 Unknown 1984