suggested grade levels: 9-12
view Idaho achievement standards for this lesson
1. Students will become familiar with the Digital Atlas of Idaho.
2. Students will learn about the harmful impacts that dams have on some wildlife populations.
Have your students use the Game Fisheries section of the Digital Atlas of Idaho. To get there: Click on Atlas Home, mouse-over Hydrology, then click on Game Fisheries. Scroll down and click on where is says "Click Here to learn more about Idaho's wild anadromous fish", and also click on "Look At a map showing locations of dams".
Click on Maps below to print a full-size version of the schematic map showing the location of dams on the Snake and Columbia river drainages. For a handout you can give your students for this activity, click below.
These are links to access the handouts and printable materials.
hydr1ho.pdf | hydr1AK.pdf | Game Fisheries | map1.jpg
Answer the questions below.
1. Name each dam.
2. What time frame were the most harmful dams constructed and which dams are considered the most harmful?
3. Write about documented impacts of the dams on Idaho salmon and steelhead populations. In what ways are these dams harmful to fish?
Hydrology: Idaho Dam's