ELS 502 sampling Saguaro spinesELS 502 Field TripsDefault Banner: Ocean Trip

On March 3, 2013, ELS 502 field class sampled the spines of a Saguaro for stable isotope analysis.

Snapshots of ELS 502 field class trips: students preparing leaves for a herbivory experiment along the San Pedro River, students visiting Santa Rita Experimental Station, and students investigating the Pacific intertidal at Cabrillo National Park (San Diego, CA).


Degree Requirements

The PhD in ELS is a research degree, culminating in a dissertation, which must draw on multiple disciplinary perspectives. The degree requires completion of 84 credit hours of which 12 hours are for dissertation. Students may apply up to 30 hours from a prior master's degree towards the total hour requirement upon approval of the program steering committee. Each student, with his or her Supervisory Committee, develops a unique Study Plan, which the student's Supervisory Committee approves. Each student completes the following coursework and milestones. There are no foreign language or statistics requirements, except as needed for a particular student's selected dissertation project. Read more about

Courses Offered