Table 1.
Generalized linear mixed models selected based on AICc for the different response variables (models with ΔAICc ≤ 2 were considered to be equivalent). * Means significant effect.
Response variable | Model | Predictor variable | Random | Error distribution | Link function | χ 2 | df | P |
---|---|---|---|---|---|---|---|---|
Plant visitation rate | 1 | Pollinator | Plant ID/census ID | Gamma | Log | 201.09 | 3 | <0.001* |
Year | 8.03 | 1 | 0.005* | |||||
Pollinator × year | 34.40 | 3 | <0.001* | |||||
2 | Pollinator | Plant ID/census ID | Gamma | Log | 201.05 | 3 | <0.001* | |
Year | 8.10 | 1 | 0.004* | |||||
Plant sex | 0.13 | 1 | 0.722 | |||||
Pollinator × year | 34.37 | 3 | <0.001* | |||||
Seed set | 1 | Treatment | Plant ID | Binomial | Logit | 1670.9 | 2 | <0.001* |
2 | Treatment | Plant ID | Binomial | Logit | 1670.88 | 2 | <0.001* | |
Plant width | 1.28 | 1 | 0.258 | |||||
3 | Treatment | Plant ID | Binomial | Logit | 1670.89 | 2 | <0.001* | |
Plant height | 0.63 | 1 | 0.426 | |||||
Seed weight | 1 | Treatment | Plant ID | Gaussian | Identity | 5.10 | 2 | 0.080 |
Germination % | 1 | Treatment | Plant ID | Binomial | Logit | 3.25 | 2 | 0.197 |
Seed weight | 28.95 | 1 | <0.001* | |||||
Treatment × seed weight | 12.65 | 2 | 0.002* | |||||
2 | Treatment | Plant ID | Binomial | Logit | 3.01 | 2 | 0.222 | |
Seed weight | 31.47 | 1 | <0.001* | |||||
Plant width | 2.55 | 1 | 0.111 | |||||
Treatment × seed weight | 12.01 | 2 | 0.003* | |||||
3 | Treatment | Plant ID | Binomial | Logit | 3.20 | 2 | 0.202 | |
Seed weight | 29.30 | 1 | <0.001* | |||||
Plant height | 0.39 | 1 | 0.533 | |||||
Treatment × seed weight | 12.60 | 2 | 0.002* |