Table 2 Meta-analysis results for potential predictors of C stock changes in response to forest harvesting, for organic vs. mineral soil horizons
From: Land use change and forest management effects on soil carbon stocks in the Northeast U.S.
Organic horizons | Mineral soils (all horizons) | ||||||
|---|---|---|---|---|---|---|---|
Factor | Qb(Qm) | Qt | P | Factor | Qb(Qm) | Qt | P |
Study identity | 7.5 | 16.5 | 0.58 | Study identity | 2.0 | 16.8 | 0.98 |
Time since harvest | 0.9 | 16.7 | 0.83 | Time since harvest | 1.3 | 16.9 | 0.73 |
Harvest system | 0.0 | 16.7 | 0.94 | Harvest system | 0.0 | 16.9 | 0.92 |
Basal area removal fraction | 1.0 | 16.7 | 0.62 | Basal area removal fraction | 0.0 | 16.9 | 0.99 |
Harvest type | 1.7 | 16.7 | 0.64 | Harvest type | 0.1 | 16.9 | 0.99 |
Materials removed | 0.0 | 16.7 | 0.98 | Materials removed | 0.2 | 16.9 | 0.89 |
Season of harvest | 0.3 | 16.5 | 0.88 | Season of harvest | 0.4 | 16.9 | 0.81 |
Felling methods | 0.1 | 16.7 | 0.78 | Felling methods | 0.2 | 16.9 | 0.64 |
Hauling methods | 1.2 | 16.7 | 0.75 | Hauling methods | 0.3 | 16.9 | 0.96 |
Traction type | 0.3 | 16.7 | 0.88 | Traction type | 0.6 | 16.9 | 0.76 |
Landscape-level forest type | 0.2 | 16.7 | 0.64 | Landscape-level forest type | 0.4 | 16.8 | 0.54 |
Stand-level forest type group | 1.0 | 16.7 | 0.59 | Stand-level forest type group | 0.4 | 16.9 | 0.82 |
Stand-level forest type | 5.4 | 16.7 | 0.25 | Stand-level forest type | 1.0 | 16.9 | 0.90 |
Mean annual temperature | 1.3 | 16.7 | 0.26 | Mean annual temperature | 0.9 | 16.9 | 0.33 |
Mean annual precipitation | 0.0 | 16.7 | 0.97 | Mean annual precipitation | 0.2 | 16.9 | 0.66 |
Ecoprovince | 1.2 | 16.7 | 0.54 | Ecoprovince | 0.5 | 16.8 | 0.78 |
Ecosection | 4.1 | 16.7 | 0.66 | Ecosection | 1.3 | 16.8 | 0.93 |
Ecosubsection | 5.7 | 16.5 | 0.89 | Ecosubsection | 1.5 | 16.7 | 1.00 |
Elevation | 2.2 | 16.7 | 0.14 | Elevation | 0.1 | 16.9 | 0.74 |
Slope steepness group | 4.6 | 16.7 | 0.20 | Slope steepness group | 0.1 | 16.9 | 0.99 |
Aspect class | 3.5 | 16.7 | 0.32 | Aspect class | 0.1 | 16.9 | 0.99 |
Landform group | 5.5 | 16.7 | 0.48 | Landform group | 1.6 | 16.9 | 0.90 |
Parent material | 5.5 | 16.5 | 0.48 | Parent material | 1.4 | 16.9 | 0.92 |
Surface geology | 3.2 | 16.7 | 0.67 | Surface geology | 0.2 | 16.8 | 1.00 |
Soil Order | 0.8 | 16.7 | 0.86 | Soil Order | 0.7 | 16.9 | 0.88 |
Soil Suborder | 0.9 | 16.7 | 0.93 | Soil Suborder | 0.7 | 16.9 | 0.95 |
Soil Great Group | 3.2 | 16.5 | 0.79 | Soil Great Group | 0.9 | 16.9 | 0.97 |
Soil Subgroup | 9.1 | 16.4 | 0.70 | Soil Subgroup | 2.4 | 16.9 | 1.00 |
Organic subhorizon | 3.0 | 16.7 | 0.70 | Soil master horizon | 1.0 | 16.9 | 0.91 |
| Â | Â | Â | Â | Soil texture | 0.9 | 16.9 | 0.99 |
Wetness group | 0.3 | 16.7 | 0.85 | Wetness group | 0.5 | 16.9 | 0.80 |
Drainage index | 1.4 | 15.5 | 0.28 | Drainage index | 0.0 | 16.6 | 0.87 |
Productivity index | 1.9 | 15.5 | 0.17 | Productivity index | 0.1 | 16.6 | 0.75 |