Mean annually mortality (%/year) in the Graveyard and the Bormann plot in the Duke Forest, North Carolina, USA
| Mean annually mortality (%/year) | |||
| Pre-hurricane (1989–93) | Hurricane-period (1993–97) | Post-hurricane (1997–2000) | |
| Pine stand (Graveyard plot) | |||
| 2.5–5 cm | 2.82 | 3.67 | 3.61 |
| 5–10 cm | 2.86 | 3.75 | 3.76 |
| 10–25 cm | 1.14 | 1.82 | 2.28 |
| >25 cm | 0.22 | 4.22 | 3.18 |
| Upland hardwood (Bormann plot) | |||
| 2.5–5 cm | 1.52 | 2.55 | 4.13 |
| 5–10 cm | 0.93 | 2.06 | 2.74 |
| 10–25 cm | 0.71 | 1.87 | 2.18 |
| >25 cm | 0.68 | 3.74 | 5.92 |
| Mean annually mortality (%/year) | |||
| Pre-hurricane (1989–93) | Hurricane-period (1993–97) | Post-hurricane (1997–2000) | |
| Pine stand (Graveyard plot) | |||
| 2.5–5 cm | 2.82 | 3.67 | 3.61 |
| 5–10 cm | 2.86 | 3.75 | 3.76 |
| 10–25 cm | 1.14 | 1.82 | 2.28 |
| >25 cm | 0.22 | 4.22 | 3.18 |
| Upland hardwood (Bormann plot) | |||
| 2.5–5 cm | 1.52 | 2.55 | 4.13 |
| 5–10 cm | 0.93 | 2.06 | 2.74 |
| 10–25 cm | 0.71 | 1.87 | 2.18 |
| >25 cm | 0.68 | 3.74 | 5.92 |
Note: changes in tree mortality for each of the three sampling intervals (i.e.1989/90–1992/93 as pre hurricane period, 1992/93–1997 as hurricane period and 1997–2000/2001 as post hurricane period). Mean annual mortality rate derived from the common exponential model of population growth (or decline) and was calculated by: m = (ln (Nt/N0))/t where Nt and N0 are the number of (alive) stems at the beginning and end of interval t (years).
Mean annually mortality (%/year) in the Graveyard and the Bormann plot in the Duke Forest, North Carolina, USA
| Mean annually mortality (%/year) | |||
| Pre-hurricane (1989–93) | Hurricane-period (1993–97) | Post-hurricane (1997–2000) | |
| Pine stand (Graveyard plot) | |||
| 2.5–5 cm | 2.82 | 3.67 | 3.61 |
| 5–10 cm | 2.86 | 3.75 | 3.76 |
| 10–25 cm | 1.14 | 1.82 | 2.28 |
| >25 cm | 0.22 | 4.22 | 3.18 |
| Upland hardwood (Bormann plot) | |||
| 2.5–5 cm | 1.52 | 2.55 | 4.13 |
| 5–10 cm | 0.93 | 2.06 | 2.74 |
| 10–25 cm | 0.71 | 1.87 | 2.18 |
| >25 cm | 0.68 | 3.74 | 5.92 |
| Mean annually mortality (%/year) | |||
| Pre-hurricane (1989–93) | Hurricane-period (1993–97) | Post-hurricane (1997–2000) | |
| Pine stand (Graveyard plot) | |||
| 2.5–5 cm | 2.82 | 3.67 | 3.61 |
| 5–10 cm | 2.86 | 3.75 | 3.76 |
| 10–25 cm | 1.14 | 1.82 | 2.28 |
| >25 cm | 0.22 | 4.22 | 3.18 |
| Upland hardwood (Bormann plot) | |||
| 2.5–5 cm | 1.52 | 2.55 | 4.13 |
| 5–10 cm | 0.93 | 2.06 | 2.74 |
| 10–25 cm | 0.71 | 1.87 | 2.18 |
| >25 cm | 0.68 | 3.74 | 5.92 |
Note: changes in tree mortality for each of the three sampling intervals (i.e.1989/90–1992/93 as pre hurricane period, 1992/93–1997 as hurricane period and 1997–2000/2001 as post hurricane period). Mean annual mortality rate derived from the common exponential model of population growth (or decline) and was calculated by: m = (ln (Nt/N0))/t where Nt and N0 are the number of (alive) stems at the beginning and end of interval t (years).
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