Breadcrumb Home Environmental Science and Policy ES320 ES320: Wetland Ecology & Protection Lab Download as PDF Level Undergraduate School College of Health and Natural Science Subject Environmental Science and Policy Credits 4 Examines the plants, animals, soils, hydrology, and chemistry of different wetland types. The course will include the study of wetland-watershed interactions, and of the methods of wetland protection. Prerequisite: ES103 or BI218.