Assertion: colony's bee | /r/HasProperty | involved in commercial pollination
Facets:
Source sentences:
text: This can be because of loss of weeds in agricultural fields (because of increasingly heavy use of herbicides), monocultures of only single flowering sources for bee nutrition (as when the bees are involved in commercial pollination), effects on the bees’ intestinal microflora (because of heavy reliance on artificial feeding of colonies), and decreasing natural forage (because of human disturbance of the habitat where bees need to forage).