Yearly and you may recurrent non-timber crops (dos.1)
Environment loss right down to agricultural expansion and you may intensification (we.elizabeth., reduction of non-harvest habitats in the farmland) is a risk inside the elements of south Canada. For the past few many years, the brand new increasing habit of planting plants in order to edge of fields, with little to no or no surrounding hedgerow or meadow habitat, enjoys led to decreased quality foraging habitat to own bumble bees around the world (elizabeth.grams., Kosior mais aussi al. 2007), and most likely has already established equivalent impact when you look at the Canada (Give and Javorek 2011).