Table 3.
Pollen counts presented as a percentage of Osmia lignaria pollen provisions located at 85, 260, 435, and 800 m away from managed wildflower plantings at peak and postalmond bloom
Near | Middle | Far | ||||
---|---|---|---|---|---|---|
Peak | Post | Peak | Post | Peak | Post | |
Almond (%) | 34.4 ± 7.3 | 18.0 ± 4.7 | 46.3 ± 8.1 | 20.5 ± 5.2 | 74.4 ± 6.1 | 25.0 ± 6.0 |
Phacelia (%) | 41.7 ± 7.3 | 71.8 ± 6.1 | 31.0 ± 6.4 | 62.6 ± 7.0 | 18.5 ± 4.6 | 58.7 ± 7.3 |
Other (%) | 20.8 ± 4.2 | 19.7 ± 4.1 | 16.5 ± 3.6 | 21.9 ± 4.3 | 9.0 ± 2.3 | 19.1 ± 4.0 |
The most abundant pollen grains were from Prunus dulcis and Phacelia spp., while managed Nemophila spp., wild grass species, and wild Amsinckia sp. comprised most of the pooled pollen in “other.”