Table 2 Fallen log classification table.
Decision criteria | The decomposing level | ||
|---|---|---|---|
II | III | IV | |
Needle | Absent | Absent | Absent |
Bark | Partial shedding | Partly present only on large branches | Absent |
Branches and twig | Branches present | Large branches present | Only large branches stub present |
The trunk shape | Round | Round | Round to oval |
The indirect method | Cambium decayed, knife blade penetrates 3 mm to 1 cm | Knife blade penetrates less than 2 cm | Severely decay, knife penetrates 2–5 cm |
Structural integrity | Sapwood rotten heartwood intact | Sapwood missing heartwood intact | The heartwood has rotted |
Wooden | Solid | Semi solid | Part of the tender |
Wooden color | Primary colors | Primary color to fade | Primary color to fade |