Table 1 Fuel classes, forest structure, and composition metrics measured in long-unburned Sierra mixed conifer forests in June 2011 at the Yosemite Forest Dynamics Plot, Yosemite National Park, California, USA. We modeled local fuel classes (response variable) based on forest structure and composition metrics (predictor variables) calculated at two scales: 0.015 ha and 0.1 ha
From: Fuel dynamics after reintroduced fire in an old-growth Sierra Nevada mixed-conifer forest
Response and predictor variables | Source | Spatial scales of data | Units |
|---|---|---|---|
Fuel component | Field measurements |  | Mg ha−1 |
 1-hour |  | 2 m planar transect (npre = 112; npre-post = 99) |  |
 10-hour |  | 2 m planar transect (npre = 112; npre-post = 99) |  |
 100-hour |  | 4 m planar transect (npre = 112; npre-post = 99) |  |
 CWD (1000-hour) |  | 20 m planar transect (npre=112; npre-post = 99) |  |
 Duff |  | Point samples (npre = 1120; npre-post = 990) |  |
 Litter |  | Point samples (npre = 1120; npre-post = 990) |  |
Overstory components (trees >1 cm DBH) | Stem map | Circular area: 6.91 m radius (0.015 ha) and 17.84 m radius (0.1 ha) | m2 ha−1 |
 Live trees of all species |  |  |  |
 Live Abies concolor |  |  |  |
 Live Pinus lambertiana |  |  |  |
 Dead trees of all species |  |  |  |
 Dead Abies concolor |  |  |  |
 Dead Pinus lambertiana |  |  |  |
 All live and dead trees |  |  |  |