Post-doctoral Scientist in Agroecology at Penn State University in Depts. of Crop and Soil Sciences and Entomology. Interdisciplinary study on weed population management and dynamics, arthropod community, soil quality indicators, nutrient cycling and agronomic properties in organic cropping systems. The successful candidate will direct an ongoing study to analyze weed, arthropod, soil C and N, agronomic, environmental and economic data; collaborate with other investigators on project to publish the findings of the study, and participate in extension and grant-writing activities. PhD in weed-, arthropod-, soil- or agro-ecology. Experience working with complex systems studies is desired but not required. The post-doctoral scientist will work directly in collaboration with David Mortensen (weed ecology), Mary Barbercheck (arthropod ecology), and Jason Kaye (biogeochemistry), graduate and undergraduate students, technicians, and a farmer advisory panel in guiding the research and outreach education associated with the project. For further information, contact Dave Mortensen, Penn State Dept. of Crop and Soil Sciences, dmortensen at psu.edu