A funded PhD position is available in the Geography department at the University of Guelph, supervised by Assistant Professor Travis Steffens. The research focuses on the scale effects of species extinction and community assembly among lemurs in Madagascar, integrating spatial ecology, conservation biology, remote sensing, and biogeography. The project is ideal for candidates with interests and skills in remote sensing, fieldwork, and tropical forest ecology, especially those passionate about primate conservation. The position is funded for four years, with the stipend amount to be determined. Applicants should prepare a CV, a one-page cover letter or statement of interest, unofficial academic transcripts, names of two referees (who will only be contacted if shortlisted), and a writing sample or portfolio. The internal application deadline is November 30, 2025, with interviews in December and the department's online application due in January 2026. For more details, candidates should consult the GEOG PhD Application FAQ and the department's application process page. All application materials should be emailed to tsteffen@uoguelph.ca. The University of Guelph offers a supportive research environment and opportunities to work on conservation issues in Madagascar's unique ecosystems.