Table 2: Relative abundance of pollen plant families collected by bees in three periods of the day. Only families with abundance >1% were considered.

SiteFamily9.00–11.5912.00–14.5915.00–17.59G-test (df=2)

ACistaceae75.116.08.9G=1292.2, P<.0001
ACompositae70.220.59.3G=1650.6, P<.0001
AEuphorbiaceae38.747.313.9G=555.2,  P<.0001
APapaveraceae5.868.825.4G=272.9,P<.0001
BChenopodiaceae92.22.45.4G=19356.9,  P<.0001
BCompositae91.08.20.8G=184939,P<.0001
BConvolvulaceae100.00.00.0
BCruciferae55.644.40.0G=3222.9,  P<.0001
BPolygonaceae39.860.20.0G=35.4,P<.0001
BRosaceae7.190.12.8G=502.1,  P<.0001