ESC 210 Introductory Soils (4) NW Harrison, Zabowski Physical, chemical, and biological properties that affect distribution and use patterns of this important ecosystem component. Includes soil morphology and genesis, plant nutrition and nutrient cycling, soil water, microbiology, and application of soil properties to environmental concerns. One Saturday field trip. Offered: ASp. Instructor Course Description: Darlene Zabowski

ESC 311-507 Intended for students concerned with environmental problems in the Puget Sound basin; also for those who intend to become professionally involved in land-planning decisions. Focus is on the significance of soils in understanding environmental problems and in promoting intelligent land-use decisions. Basic concepts of soil systems are presented, stressing those aspects important in making land-planning decisions. Offered: W. Instructor Course Description: Robert B. Harrison

ESC 410 Forest Soils and Site Productivity (5) NW Harrison
Considers unique properties and processes occurring in forest soils throughout the world with emphasis on soils of Pacific Northwest and aspects of forest soils that affect productivity. Two all-day Saturday field trips and one Saturday-Sunday field trip required. Recommended: ESC 210. Offered: A; odd years.

ESC 412 Field Survey of Wildland Soils (3) NW Harrison, Henry, Zabowski
Study of soils in remote sites about which little information is available. Focus is field trip in Cascade Mountains just north of Glacier Peak with prior study of hiking area, soil and ecosystem changes, and wilderness use. Offered: S.
Instructor Course Description: Darlene Zabowski

ESC 414-514 Tree growth depends, in part, on the interaction between chemical and biological activities within a given soil: the biological and chemical parameters that influence the growth; soil solution chemistry and surface reactions; reactions and processes that control essential plant nutrient levels and forms in soil solutions. Recommended: ESC 210. Offered: Sp; even years.

ESC 417 Recycling: Ethics, Opportunities, and Realities (3) NW Henry
Introductory course on recycling as a current and future way of life in terms of waste management. Introduction to the ways waste is currently managed and discussion of public attitudes and perceptions of waste management and recycling, current and future opportunities for waste management, and true costs of recycling. Offered: W.
Instructor Course Description: Charles L Henry

ESC 418 The Science of Composting (3) NW Henry
Introduction to composting as a timely tool for waste management. Designed to give an understanding of the science of composting, an overview of the processes from large-scale composting, an understanding of what acceptable contaminant levels are, and an evaluation of the benefits of compost. Offered: W.
Instructor Course Description: Charles L Henry

ESC 510 Graduate Studies in Forest Soils (1-5, max. 5)
Offered: AWSpS.

ESC 475 Wetland Ecology and Management (5) NW Ewing, Harrison
Wetland types and functions, global and North American distribution, wetland plant types, soil chemistry. The influence of stresses on wetland composition and form. Autecology of wetland plants; response to and detection of stresses. Impacts of urbanization; management techniques. Recommended: either BIOL 472, BOTANY 354, or BOTANY 371. Offered: A.

ESC 515
Advanced Soil and Plant Analysis (3) Harrison
Plants and animals must acquire nutrient elements from their environment. Quantifying the composition of samples is the first step in understanding the processes in natural and manmade systems. Sampling, handling, preparation, storage, and analysis stressed. Prerequisite: one botany or plant science course, instrumental analysis, soils. Offered: Sp.

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