date:Jul 05, 2013
of pesticides, climate change and other environmental factors including the possible effects of genetically modified organisms. The fall in numbers is causing concern because bees, particularly honey bees, play an important role in the pollination of a wide range of crops and wild plants.
EFSAs guidance proposes tiered risk assessment schemes that progress from a simple first tier to a more complex higher tier using semi-field[1] and field studies. All three schemes consider four main routes