Learning Goals
- Students will develop an argument for or against breaching the dams.
- Students will be able to explain how human impacts affect the ecosystem.
- Students will assess how the health of the chinook salmon population is directly connected to the health of the southern resident orcas.
Materials List
Handouts
Important Links
- Lesson Plan
- Sample Student Work
- Elwha Tribe Fisheries
- Video: The Memory of Fish
- A River Reborn
- The Elwha River
- Video: Rising from Ashes (about Steelhead)
- Snake River Canyons Park
- Statement of the American Fisheries Society (AFS) and the Western Division of AFS (WDAFS) About the Need to Breach the Four Dams on the Lower Snake River
Featured Image Description
Illustration of a food web featuring orcas. The image is a cross section of the sea. At the top are two white clouds, the waterline, then the marine life before the sea floor that makes up the bottom the image. From top to bottom and then left to right there are: orca, phytoplankton, plainfin midshipman, zooplankton, sea cucumber, bat star, sea urchin, kelp bass, sea otter, black rockfish, and kelp. White arrows connect the web based on each species diet.