Honey bee foraging and pesticide exposure in a desert urban agroecosystem.

The negative impacts of industrial farming on honey bee health have been widely recognized regarding pesticide use and natural foraging habitat loss. An assessment of suitability of urban farms regarding honey bee health is necessary for sustainable development of agriculture and apiculture in urban settings. Urban farms that adopt organic farming practices with restrictions on synthetic pesticide use and conservation of natural habitat can potentially create an environment to mitigate these environmental stressors on honey bees. In this experiment, bee-collected pollen was taken from honey bee colonies that were located on five organically managed urban farms located in Albuquerque, New Mexico, to evaluate pesticide exposure and forage use. We also explored the influence of hive equipment on honey bee health in a high desert climate. We found that honey bees on organic urban farms were not stressed by pesticides with limited pesticide types detected (2 out of 187), low residue levels (< 20 µg/kg) and low toxicity (either no, or low toxicity with LD

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Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.