Dr. Charles Fisher

Professor

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Biography

Charles Fisher is an Emeritus Professor and Distinguished Senior Scholar at Penn State University's Eberly College of Science. His research focuses on autotrophic symbiosis, particularly in relation to the physiology and ecology of animals inhabiting cold seeps and hydrothermal vents in the deep sea. Fisher studies the major players in these ecosystems, where organisms harbor autotrophic symbionts, which are essential for structural and functional dynamics of marine communities. His research has highlighted the types of symbiotic associations that play crucial roles in the oceans, particularly the importance of symbiont-dependent species in tropical coral reefs and deep-sea environments. Fisher's pioneering work on deep-sea hydrothermal vents, known for the discovery of chemoautotrophic symbioses, has provided insights into the ecological significance of these communities and their responses to both natural and anthropogenic changes. His lab is actively involved in studying community dynamics and ecological impacts, including assessments following events such as the Deep Water Horizon disaster.

Research Interests

Awards

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Cooperative Conservation Award

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Faculty Scholars Medal

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Presidential Young Investigator Award

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.