1. Figure 1. Twenty-six years of mortality data for RS25
Mortality rate = # of deaths during interval (year following remeasurement year to next remeasurement year)/live trees at beginning of interval
(includes ingrowth from previous remeasurement year)*100
calculations:
= 392
plus 15 ingr = 407
= 355
plus 15 ingr = 370
live tree
= 409 plus 5 ingrowth = 414
mort rate (%)
(25/434)100 = 5.76
(22/414)100 = 5.31
(52/407)100 = 12.78
(29/370)100 = 7.84
mort n
year
1977 78 79 80 81 82 83 84 85 86 87 88 90 89 91 92 93 94 96 95 97 98 99
2000 01
live tree n
434
414
407
370 25 12 8 2 31 21 29
Notes: Annual mortality checks were performed on this stand until the early 90’s.