Table 2.
Generalized linear model results for the analysis of response diversity in California. (The outcome variable was the number of bee visits to crop flowers for each bee species group (termed ‘species’ below).)
| source of variation | d.f. | Χ 2 | p-value |
|---|---|---|---|
| proportion native vegetation in surrounding landscapea | 1 | 49.71 | <0.0001 |
| bee species | 8 | 90.98 | <0.0001 |
| proportion native vegetation×bee species interaction | 8 | 33.93 | <0.0001 |
| overall model | 17 | 113.46 | <0.0001 |
a
Calculated at the most explanatory radius for each bee species.