Table 4.
Summary of the Generalized Linear Models performed to evaluate the effects of Country-Year, bee type, operation size (log-transformed number of colonies) and the interaction between Country-Year and bee type on colony loss in Latin America.
| Parameter | Deviance | F value | P value |
|---|---|---|---|
| Summer | |||
| Country-Year | 14,622.7 | 42.2 | < 0.001 |
| Bee type | 123.4 | 2.5 | 0.115 |
| Operation size | 1202.3 | 24.3 | < 0.001 |
| Country-Year × Bee type | 444.0 | 1.3 | 0.257 |
| Winter | |||
| Country-Year | 4765.3 | 16.2 | < 0.001 |
| Bee type | 28.4 | 0.7 | 0.411 |
| Operation size | 327.7 | 7.8 | 0.005 |
| Country-Year × Bee type | 515.7 | 1.8 | 0.094 |
| Annual | |||
| Country-Year | 13,103.7 | 38.4 | < 0.001 |
| Bee type | 2.4 | 0.05 | 0.823 |
| Operation size | 115.1 | 2.4 | 0.125 |
| Country-Year × Bee type | 625.7 | 1.8 | 0.078 |
Country-Year combines the country identity and the year of the survey as a unique factor (e.g. Bolivia 2017). Bee types include honey bees and stingless bees. Bold lines indicate significant differences (P < 0.05).