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Table II
CWD logistic model variables and linear components of the snag and log equations for Pinus spp. plantations in Northern Spain.
| Estimate | Standard error | ||
|---|---|---|---|
| Logistic Component (n = 66) | P > Chi-squared | ||
| Independent term | –43.2715 | 16.7061 | 0.0084 |
| Altitude | 2.5501 | 1.0267 | 0.0114 |
| Minimum temperature | 0.3939 | 0.1696 | 0.0183 |
| Clay Soil Texture | 4.6453 | 1.9376 | 0.0154 |
| Silt Soil Texture | 2.4439 | 0.9836 | 0.0117 |
| Thinning operations | 2.5136 | 0.7768 | 0.0011 |
| Snag Lineal Component (n = 22) | p-value | ||
| Independent term | 2.1846 | 3.4168 | 0.0199 |
| Rainfall in June | –0.0038 | 0.0412 | 0.0504 |
| Log Lineal Component (n = 22) | p-value | ||
| Independent term | 0.8821 | 1.4191 | 0.5976 |
| Basal Area | 0.2046 | 0.0507 | 0.0006 |
| Dominant height | –0.4028 | 0.1517 | 0.0190 |
Altitude (m asl), minimum temperature (°C), soil texture classes (clay, silt and sandy), thinning operations in the last 15 y, rainfall in June (mm), basal area (m2/ha) and dominant height (m).