University of California, Davis campus

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PhD Population Biology at University of California, Davis

University of California, Davis, United States

Programme overview

The Population Biology Graduate Group offers the PhD (Plan B), treating population biology as a discipline that unifies ecology, evolution, population genetics and phylogenetics. Students gain advanced knowledge of population dynamics, community ecology, biogeography, life history, systematics, quantitative genetics and genomics.

Faculty: College of Biological Sciences  |  Department: Population Biology Graduate Group  |  Intake: Fall  |  Study mode: full-time  |  Location: Davis, CA, United States

What you will study

The curriculum includes a first-year core course taught by PBGG faculty, seminars and advanced courses chosen with a guidance committee, plus a quantitative requirement of at least two elective quantitative courses (minimum 6 units).

Career pathways

Professional research and teaching in ecology, evolution, population genetics and systematics.

Official programme page

Application information

Entry requirements

Population Biology graduate group: GRE not required. Letters of recommendation submitted online, personal history and statement of purpose, transcripts, and TOEFL or IELTS for applicants whose native and primary instruction language is not English. Graduate Studies minimum is a B average (3.00); the group sets no additional GPA minimum. General deadline December 1, 2026; space-available June 1, 2027.

Requirements published at program group level.

Domestic applicants: USD 13,722 a year (2026-27). Systemwide UC graduate (academic) Tuition for California residents, 2026-27 annual. Excludes Student Services Fee, campus-based fees, and Nonresident Supplemental Tuition; self-supporting and professional programmes are charged differently and are not cov Source

Graduate applications are submitted through the UC Davis online graduate application with an application fee; deadlines vary by programme and are listed on the Graduate Studies deadlines page.

Apply through the official page: https://grad.ucdavis.edu/apply

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