A survey of managed honey bee colony losses in the USA , fall 2009 to winter 2010

نویسندگان

  • Dennis vanEngelsdorp
  • Jerry Hayes
  • Robyn M Underwood
  • Jeffery Pettis
چکیده

A survey of managed honey bee colony losses in the USA, fall 2009 to winter 2010 Dennis vanEngelsdorp, Jerry Hayes Jr., Robyn M Underwood , Dewey Caron, and Jeffery Pettis Department of Entomology, Penn State University, University Park, PA 16802, USA. Florida Department of Agriculture, Bureau of Plant and Apiary Inspection, Apiary Inspection Section, Division of Plant Industry, P.O. Box 147100, Gainesville, FL 32614, USA. Department of Biology, Kutztown University, Kutztown, PA 19530, USA. Department of Horticulture, Oregon State University, Corvallis, OR 97301, USA. USDA ARS Bee Research Laboratory, Bldg. 476 BARC-E Beltsville, MD 20705, USA.

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تاریخ انتشار 2010