Transfers ToCSUDescription(No prerequisite. One-week field trip.) A one-week field investigation of the Greater Yellowstone ecosystem. This area is biologically significant for its great abundance and diversity of mammal, bird and microbial life. The class explores various ecosystems, from interior forests to riparian wetlands. Emphasis is on wolf reintroduction, fire ecology and thermophilic microbes. A nonobligatory ground transportation fee of $150 is requested; participants pay for their own food, camp and park fees. (CSU) Travel is by van; participants camp outdoors. Before enrolling, interested students should contact instructor as soon as possible at (415) 485-9537 or jmueller@marin.edu. 