Table 3 Cost of clonal reproduction of C. stenophylla in the four climatic aridity zones (mean ± SE)
| Â | Semi-arid zone | Arid zone | Very arid zone | Intensively arid zone | GLMM test results |
|---|---|---|---|---|---|
Spacer length (cm) | 63.9 ± 2.8 | 40.9 ± 2.4 | 25.5 ± 0.6 | 20.3 ± 0.5 | F3,316 = 3.45, P < 0.05 |
Cost for formation one ramet (g biomass/ramet) | 7.03 ± 0.31 | 6.14 ± 0.36 | 4.84 ± 0.12 | 4.26 ± 0.11 | F3,316 = 0.77, P = 0.514 |
Newly sprouting ramet survival rate (%) | 91.0 ± 2.6 | 82.5 ± 2.4 | 75.0 ± 3.1 | 71.0 ± 3.7 | F3,12 = 3.73, P < 0.05 |
CCR (g biomass/ramet) | 7.74 ± 0.42 | 7.37 ± 0.23 | 6.50 ± 0.45 | 6.04 ± 0.34 | F3,12 = 1.95 P = 0.175 |