Table 2.
Summary of the models for (A) total non-structural carbohydrates (TNSC) and (B) soluble sugars fraction for the individuals sampled inside the experimental plots (see text).
| Arbutus unedo L. | Phillyrea latifolia L. | Quercus ilex L. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fixed effects | Estimate | SE | DF | P-value | Estimate | SE | DF | P-value | Estimate | SE | DF | P-value |
| (A) | ||||||||||||
| (Intercept) | 23.470 | 0.859 | 185 | ns | 14.571 | 0.834 | 184 | *** | 17.672 | 0.757 | 187 | *** |
| Drought | −3.434 | 0.846 | 4 | * | −1.233 | 0.889 | 4 | ns | – | – | – | – |
| Autumn | −11.047 | 1.007 | 185 | *** | −8.514 | 1.096 | 184 | *** | −4.091 | 0.985 | 187 | *** |
| Late spring | −6.659 | 1.007 | 185 | *** | −6.724 | 1.096 | 184 | *** | −2.886 | 0.985 | 187 | ** |
| Summer | −10.361 | 1.007 | 185 | *** | −8.115 | 1.096 | 184 | *** | −4.705 | 0.985 | 187 | *** |
| Branches | −10.667 | 1.126 | 185 | *** | −7.912 | 0.949 | 184 | *** | −6.600 | 0.985 | 187 | *** |
| Leaves | −7.651 | 1.126 | 185 | *** | −10.075 | 0.949 | 184 | *** | −10.756 | 0.985 | 187 | *** |
| Autumn:Branches | 4.320 | 1.424 | 185 | ** | 3.526 | 1.342 | 184 | ** | −1.550 | 1.393 | 187 | ns |
| Late spring:Branches | −0.733 | 1.424 | 185 | ns | 0.033 | 1.342 | 184 | ns | −3.430 | 1.393 | 187 | * |
| Summer:Branches | 3.546 | 1.424 | 185 | * | 1.832 | 1.342 | 184 | ns | −2.286 | 1.393 | 187 | ns |
| Autumn:leaves | 4.595 | 1.424 | 185 | ** | 6.625 | 1.342 | 184 | *** | 1.246 | 1.393 | 187 | ns |
| Late spring:leaves | −0.196 | 1.424 | 185 | ns | 4.454 | 1.342 | 184 | ** | 2.808 | 1.393 | 187 | * |
| Summer:leaves | 2.869 | 1.424 | 185 | * | 5.125 | 1.342 | 184 | *** | 2.019 | 1.393 | 187 | ns |
| Drought:branches | 3.721 | 1.007 | 185 | *** | – | – | – | – | – | – | – | – |
| Drought:leaves | 4.184 | 1.007 | 185 | *** | – | – | – | – | – | – | – | – |
| Drought:autumn | – | – | – | – | 1.071 | 1.096 | 184 | ns | – | – | – | – |
| Drought:late spring | – | – | – | – | 2.612 | 1.096 | 184 | * | – | – | – | – |
| Drought:summer | – | – | – | – | 1.070 | 1.096 | 184 | ns | – | – | – | – |
| (B) | ||||||||||||
| (Intercept) | 0.302 | 0.036 | 187 | *** | 0.025 | 0.048 | 173 | ns | 0.160 | 0.039 | 187 | *** |
| Autumn | 0.520 | 0.048 | 187 | *** | 0.216 | 0.062 | 173 | *** | 0.339 | 0.050 | 187 | *** |
| Late spring | 0.171 | 0.048 | 187 | *** | 0.070 | 0.062 | 173 | ns | 0.057 | 0.050 | 187 | ns |
| Summer | 0.357 | 0.048 | 187 | *** | 0.071 | 0.062 | 173 | ns | 0.296 | 0.050 | 187 | *** |
| Branches | 0.339 | 0.048 | 187 | *** | 0.015 | 0.062 | 173 | ns | 0.074 | 0.050 | 187 | ns |
| Leaves | 0.290 | 0.048 | 187 | *** | −0.026 | 0.064 | 173 | ns | 0.663 | 0.050 | 187 | *** |
| Autumn:branches | −0.182 | 0.067 | 187 | ** | 0.019 | 0.088 | 173 | ns | 0.150 | 0.071 | 187 | * |
| Lates spring:branches | 0.128 | 0.067 | 187 | ns | 0.495 | 0.093 | 173 | *** | 0.333 | 0.071 | 187 | *** |
| Summer:branches | −0.002 | 0.067 | 187 | ns | 0.133 | 0.090 | 173 | ns | 0.414 | 0.071 | 187 | *** |
| Autumn:leaves | −0.431 | 0.067 | 187 | *** | −0.169 | 0.089 | 173 | ns | −0.330 | 0.071 | 187 | *** |
| Late spring:leaves | 0.064 | 0.067 | 187 | ns | 0.176 | 0.091 | 173 | ns | −0.280 | 0.071 | 187 | *** |
| Summer:leaves | −0.048 | 0.067 | 187 | ns | −0.004 | 0.090 | 173 | ns | −0.192 | 0.071 | 187 | ** |
Different models were fitted for each species. The estimate value indicates the difference from the reference condition. In both cases the reference tissue was “lignotuber,” the reference period was “late winter,” and the reference treatment was “control.” Abbreviations:
*
0.01 < P < 0.05;
**
0.001 < P < 0.01;
***
P < 0.001;
ns, P > 0.05;
–, not included in the best model.