1. The effects of sediment on aquatic life Prepared by the 7 th graders in the University of Kansas Educational Talent Search/Kansas Geological Survey Environmental Science Academy 20 December 2008 at the Schlagel Library

2. Sediment What is sediment? What is sediment? Where does sediment come from? Where does sediment come from? What does sediment do to aquatic life? What does sediment do to aquatic life?

3. What is sediment? Rocks Rocks Minerals Minerals Sand Sand Dirt Dirt Manure Manure Mud Mud

4. Where does sediment come from? Animals Animals Prairie Prairie Agriculture Agriculture

8. What does sediment do to aquatic life? Disturbs breathing (gills) Disturbs breathing (gills) Impairs vision – predators, hunting Impairs vision – predators, hunting Smothers eggs Smothers eggs Impacts life cycles Impacts life cycles Carries chemicals – from fertilizers, mining, etc. Carries chemicals – from fertilizers, mining, etc.

9. Crayfish with eggs

10. Mussel life cycle http://www.musselconservation.org/Reproduction.html