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Graduate PhD opportunity: 

One PhD research assistant position is available (beginning Aug. 2018) for a student interested in the 
effects of anthropogenic chemicals on ecosystem function.  The student will work in the laboratories of 
Dr. Lora Perkins and Dr. A. Joshua Leffler in the Department of Natural Resource Management at South 
Dakota State University.

The research will focus on the impact of parasiticides used in livestock production on dung beetle 
populations, nitrogen cycling, and subsequent forage production. The field component of the research 
will be conducted at Ft. Pierre National Grasslands in central South Dakota. The student is expected to 
contribute to the broader project, but also develop related research of their own. The student will also 
work closely with a PhD student in Rural Sociology to investigate the decision making process of 
livestock producers to use or not to use parasiticides. The assistantship includes a stipend and tuition 
waiver, and is available for four years contingent on satisfactory progress toward the PhD degree. This 
research is funded by USDA-NIFA.

To apply, send as a single PDF document your CV; unofficial transcripts; a letter describing your 
experience, research interests, and career goals; and contact information for three professional 
references to Dr. Lora Perkins ([log in to unmask]) or Dr. A. Josh Leffler 
([log in to unmask]).  Applications should be received by 11 April 2018. 

Julie Cotton, M.S.
Academic Specialist
Sustainable Agriculture & Food 
Systems

Michigan State University
1066 Bogue St., Room A264 
Plant and Soil Science Building
East Lansing, MI 48824

[log in to unmask]
517-353-0156

undergrads: www.safss.msu.edu
grads: www.effs.msu.edu