Table 1 Mean (standard deviation) of forest age and structure metrics within forest types (NON-NESTING, EDGE, INTERIOR) of potential nesting forests for northern spotted owls by fire regime [high severity, infrequent (HIGH); mixed severity, frequent (MIXED); low severity, very frequent (LOW)]
From: Northern spotted owl nesting forests as fire refugia: a 30-year synthesis of large wildfires
Stand structure metrics | NON-NESTING | EDGE | INTERIOR | ||||||
|---|---|---|---|---|---|---|---|---|---|
HIGH | MIXED | LOW | HIGH | MIXED | LOW | HIGH | MIXED | LOW | |
Stand agea | 59 (54) | 63 (41) | 81 (34) | 155 (86) | 125 (68) | 122 (46) | 212 (83) | 184 (77) | 153 (48) |
Canopy coverb | 59 (28) | 47 (26) | 36 (22) | 80 (14) | 68 (17) | 60 (15) | 85 (9) | 74 (13) | 63 (12) |
Live conifer d.b.h.c | 33 (21) | 36 (21) | 39 (18) | 61 (24) | 60 (24) | 59 (20) | 71 (22) | 72 (22) | 72 (20) |
Diameter diversityd | 3 (2) | 3 (2) | 4 (2) | 6 (2) | 6 (1) | 6 (1) | 7 (1) | 7 (1) | 7 (1) |
Stand heighte | 18 (10) | 17 (9) | 14 (6) | 31 (10) | 27 (10) | 22 (7) | 35 (8) | 34 (9) | 27 (7) |
Large conifer densityf | 4 (10) | 4 (8) | 4 (7) | 22 (19) | 18 (16) | 15 (12) | 31 (18) | 30 (18) | 24 (14) |