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Table I
Quantity of airborne pollen deposited on glass slides (mean number of grains/cm2 SE) at 7 periods of exposure (from E1 to E7) in cages with and without honeybees. The P values for treatment and cage effect are given from a two-way analysis of variance.
| Period | Cage with honeybees | Cage without honeybees | ANOVA (Pvalue) | |||
|---|---|---|---|---|---|---|
| Cage 1 | Cage 2 | Cage 3 | Cage 4 | Treatment effect |
Cage effect |
|
| E1 | 148.30 ± 55 | 496.00 ± 133 | 236.10 ± 78.5 | 517.23 ± 123 | 0.477 | 0.017 |
| E2 | 77.20 ± 29.8 | 141.70 ± 33.5 | 13.25 ± 2.79 | 27.30 ± 15.8 | 0.001 | 0.199 |
| E3 | 29.00 ± 8.30 | 67.00 ± 19.4 | 17.67 ± 9.07 | 11.58 ± 2.95 | 0.005 | 0.115 |
| E4 | 9.83 ± 0.35 | 46.5 ± 21.30 | 4.17 ± 0.91 | 6.83 ± 1.69 | 0.005 | 0.024 |
| E5 | 48.30 ± 12.90 | 51.67 ± 4.61 | 30.33 ± 4.80 | 33.17 ± 5.21 | 0.039 | 0.822 |
| E6 | 35.42 ± 3.83 | 83.00 ± 37.5 | 34.67 ± 2.29 | 25.42 ± 3.93 | 0.084 | 0.164 |
| E7 | 30.50 ± 4.84 | 103.10 ± 30.10 | 22.83 ± 4.99 | 25.17 ± 7.41 | 0.005 | 0.011 |