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BES 301 Science Methods and Practice (5) NW, QSR
Overview of the scientific method, emphasizing the development of testable hypotheses, scientific writing and analysis.
Instructor Course Description: Rebecca M Price Kimberly Williams-Guillen Susan M Waters

BES 302 Environmental Problem Solving (5)
Introduces different aspects of environmental problem solving. Uses real-world situations for thinking quantitatively and creatively about such environmental concerns as energy and water resources, food production, indoor air pollution, acid rain, and human influences on climate.

BES 303 Environmental Monitoring Practicum (2) NW, QSR Turner
Provides an introduction to the principles and methods of environmental monitoring and analysis. Field and laboratory studies provides experience with monitoring equipment and rigorous sampling techniques; enhance understanding of the range and variability of environmental parameters; and develop abilities in the quantitative analysis, interpretation, and presentation of data.
Instructor Course Description: Robert Joseph Turner

BES 311 Environmental Chemistry (5) NW, QSR
Uses fundamental chemical principles to examine fate, reactivity and transport of environmental pollutants. Emphasis given to atmospheric pollution, chemistry of natural and polluted waters, soil chemistry, chemistry of organic and inorganic toxins. Prerequisite: B CHEM 143.

BES 312 Ecology (5) NW
Introduces major concepts of ecology and relates these concepts to current environmental issues. Topics include the relationship between organisms and the physical environment, evolutionary processes, the structure and function of ecosystems, population biology, forest management, pesticide use, and global warming. Prerequisite: B BIO 180.
Instructor Course Description: Maria Gomez Posada Kimberly Williams-Guillen Susan M Waters Maria Ursula Valdez

BES 315 Environmental Chemistry Laboratory (5)
Covers the basic techniques for chemical analysis of environmental samples including air, water and soil. Students learn to utilize electronic data acquisition systems and further develop their scientific writing skills. Prerequisite: BES 301; BES 311; recommended: BIS 315 or equivalent.

BES 316 Ecological Methods (5) NW
Introduces students to methods used in the analysis of ecological systems and their processes. Employs data analysis tools, graphic presentation, and scientific writing in the presentation of results from laboratory and field studies. Includes lectures, laboratory work, and field investigations. Prerequisite: BES 312.
Instructor Course Description: Warren G. Gold

BES 317 Soils Laboratory (5)
Introduces the types of soils analyses necessary to understand the physical and chemical state of soils. Includes an introduction to soils in general, and local soils in particular. Prerequisite: B CHEM 153.
Instructor Course Description: Charles L Henry

BES 318 Hydrogeology (5) NW, QSR Turner
Examines details and mechanisms of the natural processes associated with the hydrologic cycle. Explores rivers, groundwater, and watershed management issues within Washington State.

BES 331 Estuarine Science and Management (5) NW
Provides an overview of the formation, circulation, water quality, ecology, and environmental problems of estuaries. Students investigate the unique environments and processes of the Puget Sound watershed and interact with community members to learn about Puget Sound advocacy, management, research, and education efforts.

BES 362 Introduction to Restoration Ecology (5) I&S/NW
Introduces ecological restoration of damaged ecosystems. Develops a broad understanding of restoration ecology, including diverse ecological aspects of the practice of restoration, conceptual and philosophical issues underlying the field, and social and political factors that influence restoration outcomes. Includes field work, lectures, readings, and discussion.
Instructor Course Description: Amy M Lambert

BES 397 Special Topics in Environmental Science (3-5, max. 15)
Unique course offerings designed to respond to faculty and student interests. Possible topics may include economic and environmental issues, air pollution, water quality, ecological restoration, global warming, or conservation biology.
Instructor Course Description: Robert Joseph Turner

BES 398 Directed Study in Environmental Science (1-5, max. 15)
Opportunity for directed group or individual research on a topic mutually agreed upon by instructor and student.

BES 415 Advanced Environmental Measurements Laboratory (5)
Analysis of air, water, and soil samples using advanced methods. Instrumental methods include: atomic absorption spectroscopy and liquid chromatography. Prerequisite: BES 311, BES 315.

BES 430 Air Pollution and Health (5) NW
Examines the relationship between atmospheric emissions, meteorology, chemical processes, air quality, and human health with an emphasis on both primary and secondary pollutants, photochemical oxidants and chemical modeling of air pollution. Also addresses some of the legal and policy implications of these issues. Prerequisite: B CHEM 153.

BES 439 Computer Modeling and Visualization in Environmental Science (5) NW, QSR
Addresses the ways scientists use computer simulations and modeling. Uses case studies from problem areas such as global climate change, regional air and water pollution, and the interaction between biological species and their environment. Recommended: BES 311; BES 312.

BES 459 Compost and Organic Soil Amendments (5) NW, QSR
Addresses the management of organic wastes both as a feedstock for composting and as a soil amendment. Provides students with an understanding of the science of composting, the management of nutrients and contaminants, and the benefits of organic soil amendments. Recommended: BES 301; BES 302.

BES 460 Water Quality (5) NW, QSR
Examines the chemical and physical processes that influence the fate of nutrients and contaminants in natural surface, ground, and soil waters. Addresses basic environmental chemistry in natural waters and soils, potentially important inputs, transformations and movement, and the environmental impacts of nutrients and contaminants.
Instructor Course Description: Robert Joseph Turner

BES 485 Conservation Biology (5) NW
Exploration of the science underlying methods of species and ecosystem conservation. Emphasis is placed on understanding the limits and promise of scientific approaches to conservation, within the social, political and economic context of conservation problems.
Instructor Course Description: David L. Stokes Martha Groom

BES 486 Watershed Ecology and Management (5) NW
Overview of the ecology and management of watersheds. Explores physical, biological, and ecological components of watersheds and their interrelationships. Examines human and natural impacts on watersheds, and planning and management through theory and case studies. Prerequisite: either BIS 390 or BES 312.

BES 487 Field Lab in Wildland Soils and Plants (3) NW
Provides direct field study of alpine soils and plants. Identify soils and landscape/vegetation changes in remote areas where little information is available about these ecosystems. Experience climate, relief, and parent materials that form soils and their associated plant communities.

BES 488 Wetland Ecology (5) NW
Examines wetland types and their distribution as well as wetland functions for habitat and human resources. Emphasizes the ecology and adaptations of wetland plants and their interaction with soils and biogeochemical processes. Discusses human impacts, wetland regulation, and management approaches. Required field trips. Prerequisite: BES 312.

BES 489 Pacific Northwest Ecosystems (5) NW
Examines major ecosystems of the Pacific Northwest to understand the structure, function, and location of these characteristic ecosystems in our region. Investigates the intersection of ecological knowledge, environmental policy and management strategies in selected ecosystems. Recommended: one quarter college biology.

BES 490 Pacific Northwest Plants in Restoration and Conservation (5) NW Gold
Examines plants of the Pacific Northwest commonly used in ecological restoration and habitat conservation. Topics include the ecology, propagation, distribution, restoration use, ethnobotany, and habitat values of major species. Includes required field trips and field study. Recommended: BES 180; BES 312; BES 362.

BES 491 Undergraduate Research in Environmental Science (5, max. 10)
Capstone course. Independent research projects in an area of environmental science, based on mutual agreement with the instructor. Prerequisite: BES 311; BES 312.

BES 492 Capstone Research in Environmental Science I (3)
The first course of a two-quarter capstone sequence. Students plan and develop a detailed proposal for their capstone environmental science project. Prerequisite: BES 301; BES 311; BES 315.

BES 493 Capstone Research in Environmental Science II (7)
Second course of a two-quarter capstone sequence. Completion of projects planned in the previous quarter. Prerequisite: BES 492.

BES 497 Special Topics in Environmental Science (3-5, max. 15)
Topics may include economic and environmental issues, air pollution, water quality, ecological restoration, global warming, conservation biology or other topics.
Instructor Course Description: David L. Stokes

BES 498 Independent Research in Environmental Science (1-5, max. 15)
Individual advanced research conducted under the direction of one or more instructors.