Table 2 Elements of vertical structure (heights, live crown base heights (LCBH)) in relict forests at Whiskeytown National Recreation Area, California, USA. Pines consist of ponderosa pine and sugar pine; oaks consist of black oak and canyon live oak.
From: Fire-Excluded Relict Forests in the Southeastern Klamath Mountains, California, USA
Douglas-Fir | White fir | Pines | Incensecedar | Oaks | Tanoak | Other | Total | |||
|---|---|---|---|---|---|---|---|---|---|---|
Relict trees | Number (n) | 24 | 18 | 145 | 12 | 9 | 2 | 0 | 210 | |
Height (m) | Mean | 41.5 | 29.0 | 32.3 | 29.3 | 19.2 | 27.4 | 0.0 | 32.3 | |
SE | 2.4 | 1.8 | 0.6 | 3.0 | 1.2 | 2.7 | 0.0 | 0.6 | ||
Median | 40.2 | 30.8 | 32.9 | 29.9 | 19.2 | 27.4 | 0.0 | 32.9 | ||
LCBH (m) | Mean | 15.8 | 5.8 | 11.6 | 11.6 | 7.3 | 6.4 | 0.0 | 11.3 | |
SE | 1.2 | 0.6 | 0.3 | 1.5 | 1.2 | 0.6 | 0.0 | 0.3 | ||
Median | 14.3 | 5.8 | 11.0 | 12.2 | 7.6 | 6.4 | 0.0 | 10.4 | ||
Encroachment trees | Number (n) | 36 | 30 | 17 | 0 | 42 | 88 | 5 | 218 | |
Height (m) | Mean | 18.3 | 14.6 | 16.2 | 0.0 | 12.5 | 17.1 | 12.5 | 15.8 | |
SE | 0.9 | 1.5 | 2.1 | 0.0 | 0.6 | 0.6 | 3.0 | 0.3 | ||
LCBH (m) | Median | 18.0 | 13.7 | 14.9 | 0.0 | 12.2 | 16.2 | 9.1 | 15.2 | |
Mean | 7.3 | 5.5 | 7.9 | 0.0 | 5.5 | 7.6 | 7.0 | 6.7 | ||
SE | 0.9 | 0.6 | 0.9 | 0.0 | 0.3 | 0.3 | 1.2 | 0.3 |