Boating Through Or Near Sensitive Shallow Stream Habitats Can Cause Large Wakes And Bottom Pressure.Surveys Conducted In These Rivers Of The Cariboo Have Shown That Juvenile Fish Are Dying In Large Numbers From Being Washedup And Stranded In Sandbars And Mud Flats. The Source Of The Disturbance Has Been Found To Be The Passage Of Large Boats, Including Jet Boats. These Boat Wakes And Bottom Pressure Increase Stream Bank Erosion, Disrupt Spawning Adults, Strand Juvenile Fish And Increase The Mortality Of Incubating Eggs. Also, Sediment Resulting From A Boat Wake Can Smother Incubating Eggs And Fish Food Sources, As Well Asharm Fish By Damaging Their Gills. more... See more text