Dr. Ottar Bjornstad

Professor

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Biography

Ottar Bjornstad is a Distinguished Professor in the Department of Entomology, where he holds the J. Lloyd & Dorothy Foehr Huck Chair. His research focuses on disease ecology and ecological applications, with particular emphasis on mathematical and computational aspects of population dynamics. He conducts research at the intersection of ecology, mathematical biology, and statistics to better understand outbreaks of agricultural and forest insect pests as well as important vector species. His work also encompasses the spatial and temporal spread of acute diseases such as measles, rubella, whooping cough, influenza, and COVID-19. Additionally, he serves as an adjunct professor in statistics, contributing to research involving statistical ecology methods and the analysis of spatiotemporal data. Bjornstad has authored numerous publications and is actively involved in promoting understanding of infectious disease dynamics.

Research Interests

Requirements for Pennsylvania State University

Doctorate Program
Requirements
GPA Requirement
Required:3
TOEFL
Writing
Required:24
Speaking
Required:23
Total
Required:100
IELTS
Writing
Required:7
Speaking
Required:7
Overall
Required:7
GRE General
Prerequisites
Master's degree in related field for PhD Baccalaureate degree from accredited institution
Application Checklist
  • Three letters of recommendation
  • Statement of Purpose
  • Writing Sample
  • Official Transcripts
  • Resume/CV
Specialization Notes

GRE scores are highly recommended but not strictly required for Applied Linguistics.