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Seasonal change in flowers around commercial bee shelters - Fig. 2

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Slide 12 of 21

Here’s the number of open, untripped flowers per raceme. Open flowers per raceme declined significantly faster close to the bee shelter than 100 meters from it. This suggests to me that open flowers per raceme declines because of pollination, which should occur first close to the shelter.

Strickler, K. and S. Freitas. 1999. Interactions between floral resources and bees in commercial alfalfa seed fields. Environ. Entomol. 28(2): 178-187.  Fig. 1C