Table 3 Summary of model II (reduced major axis) regressions of log10- root productivity (y) and root biomass (x) by root sizes. n is the number of samplings. Slopes statistically greater or smaller than 1 (p < 0.05) are indicated by boldface font
From: Testing allometric scaling relationships in plant roots
Root sizes | Intercept | 95% CI intercept | Slope | 95% CI slope | r2 | n |
|---|---|---|---|---|---|---|
< 1 mm | 0.123 | 0.106 ~ 0.139 | 0.914 | 0.803 ~ 1.041 | 0.539 | 109 |
1–2 mm | −0.227 | − 0.298 ~ –0.164 | 1.009 | 0.901 ~ 1.129 | 0.745 | 81 |
> 2 mm | − 0.178 | − 0.241 ~ –0.123 | 0.878 | 0.784 ~ 0.986 | 0.361 | 190 |
All | −0.075 | − 0.103 ~ –0.047 | 0.856 | 0.796 ~ 0.920 | 0.486 | 380 |