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Table II
The proportion of area of total forest area (gaps and seedlings stands < 2 m in height excluded) in each age class group in a boreal forest ecosystem for different age class distributions of a landscape.
| Age class | Sapling stands | Before first thinning | Thinning stands | Mature stands |
|---|---|---|---|---|
| distribution | (<20 y) | (21–40 y) | (41–70 y) | (>70 y) |
| Normal | 25% | 30% | 30% | 15% |
| Equal | 25% | 25% | 25% | 25% |
| Left-skewed | 50% | 25% | 15% | 10% |
| Right-skewed | 10% | 15% | 25% | 50% |