A field and seminar course investigating the patterns and processes in human-dominated ecosystems, especially those that produce food and fiber, process wastes, or provide a context for human activities such as recreation. Topics will include: concepts of ecosystem modeling, sustainability applicable to biological resource systems, agricultural systems, forestry and silvicultural practices, aquaculture, hydroponics and greenhouse management, composting of organic materials, waste water treatment, maintenance of biodiversity, and management of game and non-game species. Field trips, taken to various biological resource operations in the region, will serve as introductions to seminars and class discussions. Each student will present a 75-minute seminar on an aspect of the course and write a final synthesis paper. Field trips and seminars three hours per week. Evaluation is based upon field trip writing assignments, seminar presentation, course participation, and final paper. Prerequisite: Biology 203 or Environmental Studies 203 or permission of the instructor. Enrollment limited to 12.