Table 2.
Regression coefficients from the final model for each environment, where sucrose concentration was high (harsh environment) or low (benign environment) and resource (amino acid) concentration was high (rich environment) or low (poor environment)
| Nectar environment | Predictors | Coefficient | Standard error | P-value | R2adj |
|---|---|---|---|---|---|
| Harsh, rich | 0.008 | 0.58 | |||
| Niche overlap (scalar product) | −13.61 | 5.73 | 0.04 | ||
| Requirement niche (predicted growth) | 1.54 | 0.49 | 0.01 | ||
| Harsh, poor | 0.01 | 0.54 | |||
| Niche overlap (scalar product) | −14.90 | 5.16 | 0.02 | ||
| Impact niche (principal component 2) | −1.40 | 0.48 | 0.02 | ||
| Benign, rich | 0.003 | 0.64 | |||
| Requirement niche (predicted growth) | 2.12 | 0.78 | 0.02 | ||
| Impact niche (principal component 2) | −2.98 | 1.00 | 0.01 | ||
| Benign, poor | 0.02 | 0.33 | |||
| Impact niche (principal component 2) | −4.29 | 1.17 | 0.0083 |
Adjusted R2 (R2adj) indicates the variance explained in the full model. N = 12 for each regression analysis.