(Graduate students register for 285H.) Five week course. Daily lectures, labs, and scuba dives focused on kelp forest biology. Topics include identification and natural history of resident organisms, ecological processes that maintain biodiversity and community organization, field methods, data analysis, and research diving techniques. Class projects contribute to ongoing studies associated with Hopkins Marine Life Observatory. It is recommended that students complete one of Stanford's Scientific Diver Training sessions, offered during spring break and the week before the course starts, although this is not a requirement. Prerequisites: consent of instructor; advanced scuba certification and scuba equipment.