Effects of cultivation and proximity to natural habitat on ground-nesting native bees in California sunflower fields

Kim, J., N. M. Williams and C. Kremen. 2006. Effects of cultivation and proximity to natural habitat on ground-nesting native bees in California sunflower fields. Journal of the Kansas Entomological Society 79(4): 309-320. Keywords: 4j, 4x, 6b

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