Dr. Ignacio Chapela

Associate Professor

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Biography

Ignacio Chapela is an Associate Professor in the Department of Environmental Science, Policy, and Management at the University of California, Berkeley. His research focuses on microbial ecology, particularly the roles that eukaryotic microbes play in terrestrial ecosystems. His work explores fundamental questions in ecology concerning the abundance and distribution of microbial organisms, which can take multiple forms and challenge traditional ecological classifications. Chapela’s lab is devoted to developing innovative methods and instrumentation for mapping microbial life in geographical contexts, utilizing DNA sequencing to enhance the specificity and resolution of their studies. He teaches various courses, including Environmental Biology and Ecosystem Disruption, and supervises independent research projects, fostering a deeper understanding of ecological dynamics among his students.

Research Interests

Courses

Environmental Biology Directed Group Study Supervised Independent Study Ecosystem Disruption Seminar in Research Honors Research Field Study Individual Research

Requirements for University of California, Berkeley

Doctorate Program
Requirements
GPA Requirement
Required:3
GRE Subject
Overall Score
Required:500
Overall
Required:500
TOEFL
Total
Required:90
IELTS
Overall
Required:7
Prerequisites
Bachelor's degree or recognized equivalent Preparation comparable to undergraduate major at Berkeley in Mathematics or Applied Mathematics 2 full years lower-division work (Calculus, Linear Algebra, Differential Equations, Multivariable Calculus) 8 one-semester upper-division courses (Real Analysis, Complex Analysis, Abstract Algebra, Linear Algebra)
Application Checklist
  • Graduate Application
  • Statement of Purpose
  • Personal History Statement
  • Three Letters of Recommendation
  • Unofficial Transcripts
  • C.V./Resume
  • Course and Textbook List
Specialization Notes

The Mathematics Subject GRE is required for the Fall 2026 admissions cycle. General GRE is optional.