Table 5 Coefficients and standard error of standard linear regression model (Eq. 2) between total above-ground biomass including woody parts of shrubs and cover class and elevation on subplots. For each cover class mean (±SD) observed and predicted biomass is presented; see Table 1 for sample size
Estimate | Standard error | Observed subplot biomass (g·m−2) | Predicted subplot biomass (g·m−2) | ||
|---|---|---|---|---|---|
β0 | Intercept | 0.66864027 *** | 0.10240013 | na | na |
β1 | cover class 2 | na | na | 4.9 ± 3.9 | 3.6 ± 0.9 |
cover class 3 | 1.29273989 *** | 0.09922620 | 15.5 ± 12.4 | 12.8 ± 3.1 | |
cover class 4 | 2.24503984 *** | 0.10221280 | 39.1 ± 28.6 | 33.5 ± 8.4 | |
cover class 5 | 3.08838612 *** | 0.10419718 | 99.6 ± 114.4 | 80.5 ± 23.1 | |
cover class 6 | 3.95982283 *** | 0.10221464 | 223.2 ± 167.6 | 190.5 ± 55.9 | |
β2 | Elevation | 0.00062006 *** | 0.00007718 | na | na |