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Acidification of Freshwater Streams and Lakes
Katy Olsen, Pierce College
Students research the acidification of freshwater streams and lakes, identify at least one of the sources, and determine how their daily activities contribute to the problem.

Bioregion Discipline: Chemistry
Bioregion Scale: Campus
Bioregion Topical Vocabulary: Human Impact & Footprint, Water & Watersheds

An Environmental Analysis of Lake Waughop
Karen Harding, Pierce College
Through an analysis of water quality in a nearby lake, students are introduced to basic chemical techniques such as titrations (both acid/base and oxidation/reduction), atomic absorption spectrometry, and uv/vis spectrometry

Bioregion Discipline: Chemistry, Environmental Studies
Bioregion Scale: Local Community/Watershed, Campus
Bioregion Topical Vocabulary: Water & Watersheds, Ecosystem Health

An Assessment of Riparian Vegetation in a Human-Influenced Landscape
Lisa Carlson, Centralia College
Given that humans historically have heavily used rivers and the lands along them for agriculture, transportation and other activities, how does human impact currently affect riparian ecosystems in a rural region? Students will address this question through several activities.

Bioregion Discipline: Biology, Environmental Studies
Bioregion Scale: Campus, Local Community/Watershed
Bioregion Topical Vocabulary: Water & Watersheds, Ecosystem Health

Is The Water Safe for Aquatic Life?
Sue Habeck, Tacoma Community College
In this field activity students ponder sustainability issues such as point and non-point sources of pollution (including personal contributions), impacts of pollution, and potential mitigations.

Bioregion Discipline: Biology, Chemistry
Bioregion Scale: Local Community/Watershed, Campus
Bioregion Topical Vocabulary: Water & Watersheds, Pollution & Waste, Human Impact & Footprint, Ecosystem Health, Sustainability Concepts & Practices

Evergreen State College