Table 3 Periodic annual basal area (cm2) increment of trees in relict forests at Whiskeytown National Recreation Area, California, USA. Number (n) refers to number of cores with rings extending to column date.
From: Fire-Excluded Relict Forests in the Southeastern Klamath Mountains, California, USA
1945 | 1955 | 1965 | 1975 | 1985 | 1995 | 2005 | ||
|---|---|---|---|---|---|---|---|---|
Relict trees | Number (n) | 66 | 78 | 84 | 86 | 86 | 86 | 86 |
Mean | 23 | 26 | 27 | 24 | 26 | 25 | 26 | |
SE | 2 | 2 | 2 | 1 | 2 | 2 | 2 | |
Median | 19 | 23 | 25 | 22 | 23 | 24 | 24 | |
Encroachment trees | Number (n) | 0 | 8 | 17 | 30 | 37 | 37 | 37 |
Mean | 0 | 3 | 5 | 7 | 9 | 13 | 16 | |
SE | 0 | 1 | 1 | 1 | 1 | 2 | 3 | |
Median | 0 | 2 | 4 | 3 | 7 | 11 | 10 |