ENVS 150 Puget Sound Ecology • 6 Cr.


Explore the unique natural history, ecosystems and environmental issues of the Puget Sound Region. Learn how physical forces, biological diversity and human society interact to shape our bioregion. Includes field trips to Puget Sound terrestrial and aquatic ecosystems. Fulfills laboratory science course requirement at BC. Previously ENVS 250. Either ENVS 150 or 250 can be taken for credit, not both.


After completing this class, students should be able to:

  • Explain basic ecological principles, e.g. energy flow, sustainable yield, carrying capacity.
  • List the geological and physical processes that formed and continue to shape Puget Sound.
  • Describe the characteristics of the different aquatic and terrestrial ecosystems of the Puget Sound region.
  • Identify representatives of the major phyla of organisms in Puget Sound ecosystems and their role in their communities.
  • Describe the factors that have contributed to the loss of estuaries and wetlands in the Puget Sound region.
  • Explain the social, economic and cultural importance of salmon species in Puget Sound and the reasons for their declining populations.
  • Analyze the impact of human activities, historically and currently, on Puget Sound ecosystems.