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Table I
Decay class system for coarse woody debris elements.
| Snag | Log | Stump | |
|---|---|---|---|
| 1 | Complete or partial bark, | Bark intact, small branches | Bark intact, texture intact, |
| most of the branches intact, | present, shape round, wood | original surface cut and | |
| hard wood | texture intact, log elevated on | original color | |
| support point or slightly | |||
| sagging | |||
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| 2 | Partial/almost | Trace of bark, no twigs | Bark almost intact, texture |
| absent bark, no | shape round, wood hard, texture in | partly soft (in the outermost | |
| twigs, hard wood | large pieces, log sagging near | part), original surface | |
| the ground | cut and original color, | ||
| color | |||
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| 3 | No bark, no twigs, | No bark, no twigs, shape | Trace of bark, texture in |
| wood hard to soft | round to oval, wood hard to soft, | large pieces, surface cut | |
| (soft sapwood < 70%) | texture with blocky pieces, all | original but decay spread | |
| of log on the ground | in most of the stump, | ||
| color becoming brown | |||
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| 4 | No bark, no twigs, | No bark, no twigs, oval shape, | Bark absent, texture soft |
| wood hard to soft | soft and powdery wood structure, | and powdery, surface cut almost | |
| (soft sapwood > 70%) | log completely sagging | absent ad color brown | |
| on the ground | |||