Lecture, two and one half hours; laboratory, three hours; three field trips. Requisites: course 100, Life Sciences 1 or 7B. Study of ecosystems that have been degraded by overuse or unsustainable extraction of natural resources, foundation of restoration ecology including historical knowledge, reference sites, soil preparation, biodiversity, California natives, succession, disturbances, and best management practices when restoring landscape. Students learn to identify classic symptoms of unhealthy ecosystem and important metrics to determine if and when ecosystem is recovering. Students evaluate Stone Canyon Creek at UCLA. Students develop site and vegetation maps, conduct soil and water tests, and assess overall health of area. Students develop recommendations for restoration plan. Mandatory all-day field trips. Letter grading.