Maximum lifespan | Taxa | Habit | Life cycle | Post-mortem resilience | Working IAÏ„ | References |
---|---|---|---|---|---|---|
50 Years | Corylus avellana | Shrub | ‘self-coppicing’ cycles of ≤ 30–50 year old stems in UK. ≤ 12–15 year old stems on some thin Scottish Atlantic soils | Not included in BSI standards | 20 years | |
100 Years | Betula pubescens | Shrub/Small Tree | Matures 50–60 with lifespan ≤ 100 years in UK. ‘Shortest- lived common tree [in UK] after Aspen.’ | 5—Not Durable. Dies rapidly and rots quickly. Life expectancy in ground contact ‘less than 5 years’ | 50 years | |
200 Years | Betula pendula | Tree |  ≤ 100 years in UK generally  ≤ 180 years in Central Scotland | 5—Not Durable. As per Betula pubescens | 100 years | |
600 Years | Pinus sylvestris | Tree | Generally aged ≤ 300 years. Lifespan ≤ 550 years in NW Scotland | 3–4 moderate-slightly durable | 300 years | |
Quercus robur and petraea | Tree | General ages ≤ 300 years in UK woodlands. Scottish medieval timber ≤ 418 years Darnaway (NE Scotland) | 2—Durable. Sapwood ≤ 20 years, heartwood over 50 years | 300 years |