Sentence examples for managed bee from inspiring English sources
As beekeeping became more complicated, the number of managed bee colonies in the United States dropped to slightly over 2.5 million in 2003 from 3.5 million in 1989.
However, the researchers note that there are a number of ways that regions could adapt to changes in so-called pollination services including using managed bee colonies to supplement wild pollinators, switching to nutrient-equivalent crops that are less reliant on pollination, or importing nutrient-rich foods from other regions.
Although alien removal has benefits (including employment creation and alleviation of the current water shortages [40]), removal could negatively affect the managed bee industry.
Managed bee hives would be exposed to contamination via a variety of crops, dust, soil, water and weedy plants for significantly longer periods than just 23 days maximum.
Managed bee colonies are of considerable economic interest and it is therefore important to elucidate the diversity and role of this microbiota in the honeybee.
But there is almost certainly a further factor causing stress on the bees a poor diet.Bee-conomicsIt is increasingly being recognised that managed bees need food supplements.
As for the managed bees of America, Dr Ratnieks says that "the imminent death of the honeybee has been reported so many times, but it has not happened and is not likely to do so".
Regulation of trade in managed bees, which may spread diseases.
There is growing proof that bees are regularly exposed to mixtures of agrochemicals, but most research has been focused on managed bees living in farmland, whereas little is known about exposure of wild bees, both in farmland and urban habitats.
"We need to consider the use of pesticides, increasing food resources so planting more wild flowers for all our pollinators, but also the diseases that are being brought in and transmitted between wild and managed bees," she said.
Operations that managed bees in more than one state did not have appreciably more losses than operations that managed bees in only one state (Table 2).
